Dynamics of surface electrons in a topological insulator: cyclotron resonance at room temperature
I Mohelsky, F Le Mardele, J Dzian, J Wyzula, XD Sun, CW Cho, BA Piot, M Shankar, R Sankar, A Ferguson, D Santos-Cottin, P Marsik, C Bernhard, A Akrap, M Potemski, M Orlita
arXiv preprint arXiv:2504.08420
2025-04
期刊論文
In Situ Identification of Spin Magnetic Effect on Oxygen Evolution Reaction Unveiled by X-ray Emission Spectroscopy
Spin dynamics and 1/3 magnetization plateau in the coupled distorted diamond chain compound K2Cu3(MoO4)4
G Senthil Murugan, J Khatua, Suyoung Kim, Eundeok Mun, K Ramesh Babu, Heung-Sik Kim, C-L Huang, R Kalaivanan, U Rajesh Kumar, I Panneer Muthuselvam, WT Chen, Sritharan Krishnamoorthi, K-Y Choi, R Sankar
Physical Review B
2025-02
期刊論文
Strong long-wave infrared optical response in a topological semiconductor
with a Mexican-hat band structure
Mark J Polking, Haowei Xu, Raman Sankar, Kevin Grossklaus, Ju Li
PHYSICAL REVIEW B
2025-02
期刊論文
The dHvA effect in Sn-doped PbTe topological crystalline insulator
Duncan Miertschin, Thinh Nguyen, Shengzhi Zhang, Minseong Lee, Sritharan Krishnamoorthi, Rajesh Kumar Ulaganathan, Raman Shankar, David E Graf and Keshav Shrestha
Journal of Physics: Condensed Matter
2025-02
期刊論文
Ultrafast spectroscopy of the Dirac semimetal Cd3As2 under pressure
Vikas Arora, DVS Muthu, R Sankar, AK Sood
PHYSICAL REVIEW B
2025-01
期刊論文
Effects of disorder on quantum transport properties in the topologically nontrivial metal PbTaSe2
Longfei Sun, Yue Sun, Qiang Hou, R Sankar, R Kalaivanan, Xiaofeng Xu, Zhixiang Shi, Tsuyoshi Tamegai
PHYSICAL REVIEW B
2025-01
期刊論文
Intriguing magnetic and electronic behaviors in La and Ru doped Sr2IrO4
B Dundi Sri Chandana, Jeetendra Kumar Tiwari, K Saranya, Arpita Rana, G Senthil Murugan, Namasivayam Dhenadhayalan, Kwang-Yong Choi, KC Sekhar, PD Babu, Raman Sankar, I Panneer Muthuselvam
Journal of Physics Condensed Matter
2025-
期刊論文
Anisotropic screening of excitons in van der Waals materials
Modulation of magnetic and multiferroic properties by chemical substitution in Fe2(MoO4)3
Ajay Tiwari, D Chandrasekhar Kakarla, CE Lu, GD Dwivedi, Sreeparvathy P. C, Chia-Hsiu Hsu, FC Chuang, Nidhi Puri, Y-J Hu, J-Y Lin, Suganya Murali, R Sankar, Aprajita Joshi, Surajit Saha, C Dhanasekhar, SM Kumawat, H Chou, C-L Huang, HD Yang
PHYSICAL REVIEW B
2024-11
期刊論文
Origin of nonlinear photocurrents in chiral multifold semimetal CoSi unveiled by terahertz emission spectroscopy
Magnetism and spin dynamics of the S=3/2 frustrated trillium lattice compound
K2CrTi(PO4)3
J. Khatua, Suheon Lee, Gyungbin Ban, Marc Uhlarz, G. Senthil Murugan, R. Sankar, Kwang-Yong Choi, and P. Khuntia
PHYSICAL REVIEW B
2024-05
期刊論文
Structural, magnetic, and electronic properties of a GdAsSe single crystal: Experimental and theoretical studies
R. Kalaivanan, Balaji Venkatesan, B. Dundi Sri Chandana, Rajesh Kumar Ulaganathan, G. Senthil Murugan, K. Moovendaran, Joydev Khatua, Li-Hsin Su, W. Zhou, Xiaofeng Xu, Chia-Seng Chang, Tien-Ming Chuang, Yoshiyuki Iizuka, I. Panneer Muthuselvam, Horng-Tay Jeng, Kwang-Yong Choi, and Raman Sankar
PHYSICAL REVIEW B
2024-03
期刊論文
Direct Visualization of a Disorder Driven Electronic Smectic Phase in Dirac Nodal Line Semimetal GdSbTe
Insights into the Stability and Surface Termination of Topological Semimetal NbAs2
Gianluca D'Olimpio, Yanxue Zhang, Marcin Rosmus, Silvia Nappini, Atasi Chakraborty, Natalia Olszowska, Luca Ottaviano, Raman Sankar, Amit Agarwal, Federica Bondino, Junfeng Gao, Antonio Politano
Advanced Materials Interfaces
2023-12
期刊論文
Correction to: Anisotropic transport in a possible quasi-one-dimensional topological candidate: TaNi2Te3
Yi Liu, Chun-Qiang Xu, Wen-He Jiao, Ping-Gen Cai, Bin Li, Wei Zhou, Bin Qian, Xue-Fan Jiang, Raman Sankar, Xiang-Lin Ke, Guang-Han Cao, Xiao-Feng Xu
Tungsten
2023-11
期刊論文
Charge density wave and superconductivity in 6R-TaS2
Sudip Pal, Prakash Bahera, SR Sahu, Himanshu Srivastava, AK Srivastava, NP Lalla, Raman Sankar, A Banerjee, SB Roy
Physica B: Condensed Matter
2023-11
期刊論文
Electrical and Optoelectronic Anisotropy and Surface Electron Accumulation in ReS2 Nanostructures
Hemanth Kumar Bangolla , Muhammad Yusuf Fakhri , Ching-Hsuan Lin , Chang-Maw Cheng , Yi-Hung Lu , Tsu-Yi Fu , Pushpa Selvarasu , Rajesh Kumar Ulaganathan , Raman Sankar and Ruei-San Chen
Nanoscale
2023-10
期刊論文
Manipulating Spin Exchange Interactions and Spin‐Selected Electron Transfers of 2D Metal Phosphorus Trisulfide Crystals for Efficient Oxygen Evolution Reaction
Anomalous spin dynamics of the S=3/2 kagome ferromagnet Li9Cr3(P2O7)3(PO4)2
G Senthil Murugan, Chanhyeon Lee, R Kalaivanan, I Panneer Muthuselvam, Yugo Oshima, Kwang-Yong Choi, Ramen Sankar
Physical Review B
2023-06
期刊論文
Crystal growth and magnetic properties of the coupled alternating S=1 spin chain Sr2Ni(SeO3)3
R. Madhumathy, K. Saranya, K. Moovendaran, K. Ramesh Babu, Arpita Rana, Kwang-Yong Choi, Heung-Sik Kim, Wei-Tin Chen, M. Ponmurugan, Ramon Sankar, and I. Panneer Muthuselvam
Physical Review B
2023-06
期刊論文
Random magnetic anisotropy driven transitions in the layered perovskite LaSrCoO4
Abdul Ahad, K Gautam, SS Majid, K Dey, A Tripathy, F Rahman, RJ Choudhary, Raman Sankar, AK Sinha, SN Kaul, DK Shukla
Physical Review B
2023-05
期刊論文
A High-Speed Waveguide Integrated InSe Photodetector on SiN Photonics for NIR Applications
Roshan Jesus Mathew, Kai-Hsiang Cheng, Christy Roshini Paul Inbaraj, Raman Sankar,
Xuan P.A. Gao,* and Yit-Tsong Chen*,
Advanced Electronic Materials
2023-05
期刊論文
Cluster-glass freezing and antiferromagnetic phase transitions in corundum structure Mg3-xCoxTeO6
Kalimuthu Moovendaran, Raju Kalaivanan, I Panneer Muthuselvam, N Rajeesh Kumar, Yen-Chung Lai, Kwang-Yong Choi, Raman Sankar
Journal of Magnetism and Magnetic Materials
2023-05
期刊論文
Interplay of field-induced molecular dipole alignment and compensating surface polarization in low-temperature P−V hysteresis of MAPbBr3,2023
Lars Freter, Hung-Chang Hsu, Raman Sankar, Chun-Wei Chen, Rafal E Dunin-Borkowski, Philipp Ebert, Ya-Ping Chiu, Michael Schnedler
Physical Review Materials
2023-04
期刊論文
Coupling between Pyroelectricity and Built-In Electric Field Enabled Highly Sensitive Infrared Phototransistor Based on InSe/WSe2/P(VDF-TrFE) Heterostructure
Christy Roshini Paul Inbaraj, Roshan Jesus Mathew, Raman Sankar, Hsia Yu Lin, Nian-Xiu Li, Yit-Tsong Chen, Yang-Fang Chen*
ACS Applied Materials & Interfaces
2023-04
期刊論文
Exploring optical properties of 2H- and 1T′−MoTe2 single crystals by spectroscopic ellipsometry
From Food Toxins to Biomarkers: Multiplexed Detection of Aflatoxin B1 and Aflatoxin M1 in Milk and Human Serum using PEGylated Ternary Transition Metal Sulfides
Exciton Manipulation for Enhancing Photoelectrochemical
Hydrogen Evolution Reaction in Wrinkled 2D
Heterostructures
Rapti Ghosh, Bhartendu Papnai, Yu-Siang Chen, Kanchan Yadav, Raman Sankar,
Ya-Ping Hsieh, Mario Hofmann,* and Yang-Fang Chen*
Advanced Materials
2023-03
期刊論文
Fermiology of Chiral Cadmium Diarsenide CdAs2, a Candidate for Hosting Kramers–Weyl Fermions
Federico Mazzola, Yanxue Zhang, Natalia Olszowska, Marcin Rosmus, Gianluca D’Olimpio, Marian Cosmin Istrate, Grazia Giuseppina Politano, Ivana Vobornik, Raman Sankar, Corneliu Ghica, Junfeng Gao*, Antonio Politano*
The Journal of Physical Chemistry Letters
2023-03
期刊論文
Surface properties, chemical reactivity, and ambient stability of cadmium diarsenide CdAs2, a topological chiral material hosting Kramers-Weyl fermions
High-Performance Photodetector and Angular-Dependent Random Lasing from Long-Chain Organic Diammonium Sandwiched 2D Hybrid Perovskite Non-Linear Optical Single Crystal
High-Performance Photodetector and Angular-Dependent Random Lasing from Long-Chain Organic Diammonium Sandwiched 2D Hybrid Perovskite Non-Linear Optical Single Crystal
Performance analysis of cognitive wireless retrial queueing networks with admission control for secondary users
B Krishna Kumar, R Navaneetha Krishnan, R Sankar, R Rukmani
Qual. Technol. Quant. Manag.
2022-12
期刊論文
Spin-singlet ground state of the coupled Jeff= 12 alternating chain system Sr2Co(SeO3)
I. Panneer Muthuselvam*, R. Madhumathy, K. Saranya, K. Moovendaran, Suheon Lee, Kwang-Yong Choi, Wei-tin Chen, Chin-Wei Wang, Peng-Jen Chen, M. Ponmurugan, Min-nan Ou, Yang-Yuan Chen, Heung-Sik Kim, and Raman Sankar
Phys. Rev. B
2022-11
期刊論文
Planar thermal Hall effects in the Kitaev spin liquid candidate Na2Co2TeO6
Lorentz-Boost-Driven Magneto-Optics in a Dirac Nodal-LineSemimetal
Jan Wyzula, Xin Lu, David Santos-Cottin, Dibya Kanti Mukherjee, Ivan Mohelský, Florian Le Mardelé, Jiří Novák, Mario Novak, Raman Sankar,Yuriy Krupko, Benjamin A. Piot,Wei-Li Lee, Ana Akrap, Marek Potemski, Mark O. Goerbig, Milan Orlita*
Adv. Sci.
2022-06
期刊論文
Atomic-scale observation of spontaneous hole doping and concomitant lattice instabilities in strained nickelate films
IC Lin, MH Lee, PC Wu, SC Lin, JW Chen, CC Li, GY Guo, YH Chu*, Raman Sankar*, MW Chu*
New J. Phys.,
2022-06
期刊論文
Tunable Ferroelectricity in Van der Waals Layered Antiferroelectric CuCrP2S6
Scanning tunneling microscopy and spectroscopy of NiTe2
Brandon T Blue, Stephanie D Lough, Duy Le, Jesse E Thompson, Talat S Rahman, Raman Sankar, Masahiro Ishigami
Surf. Sci.
2022-04
期刊論文
Wohlleben Effect and Emergent π junctions in superconducting Boron doped Diamond thin films
L Govindaraj, S Arumugam, R Thiyagarajan, Dinesh Kumar, M Kannan, Dhruba Das, TS Suraj, V Sankaranarayanan, Kanikrishnan Sethupathi, G Baskaran, Raman Sankar, MS Ramachandra Rao
Physica C
2022-03
期刊論文
Direct investigation of the reorientational dynamics of A-site cations in 2D organic-inorganic hybrid perovskite by solid-state NMR
Phase Modulation of Self-Gating in Ionic Liquid-Functionalized InSe Field-Effect Transistors
Chih-Yi Cheng, Wei-Liang Pai, Yi-Hsun Chen, Naomi Tabudlong Paylaga, Pin-Yun Wu, Chun-Wei Chen, Chi-Te Liang, Fang-Cheng Chou, Raman Sankar, Michael S Fuhrer, Shao-Yu Chen, Wei-Hua Wang
Nano Letters
2022-01
期刊論文
Improved Oxygen Redox Activity by High-Valent Fe and Co3+ Sites in the Perovskite LaNi1–xFe0.5xCo0.5xO3
Anjaiah Sheelam, Sakthipriya Balu, Adil Muneeb, Khasim Saheb Bayikadi, Dhenadhayalan Namasivayam, Erakulan E. Siddharthan, Arif I. Inamdar, Ranjit Thapa, Ming-Hsi Chiang, Song-Jeng Isaac Huang, and Raman Sankar*
ACS Appl. Energy Mater
2022-01
期刊論文
Observation of Fermi Arc Surface States in a Topological Metal: A New Type of 2D Electron Gas beyond Z2 Topological Insulators
Su-Yang Xu, Chang Liu, Satya K Kushwaha, Raman Sankar, Jason W Krizan, Ilya Belopolski, Madhab Neupane, Guang Bian, Nasser Alidoust, Tay-Rong Chang, Horng-Tay Jeng, Cheng-Yi Huang, Wei-Feng Tsai, Hsin Lin, Pavel P Shibayev, Fang-Cheng Chou, Robert J Cava, M Zahid Hasan
Science
2022-01
期刊論文
Segmented Highly Reversible Thermochromic Layered Perovskite [(CH2)2(NH3)2]CuCl4 Crystal Coupled with an Inverse Magnetocaloric Effect
Chemical tuning of magnetic anisotropy and correlations in Ni1−xFexPS3
Seungyeol Lee, Jaena Park, Youngsu Choi, Kalaivanan Raju, Wei-Tin Chen, Raman Sankar* and Kwang-Yong Choi
PHYSICAL REVIEW B
2021-11
期刊論文
Doping from CDW to topological superconductivity: The role of defects on phonon scattering in the non-centrosymmetric PbxTaSe2
A Glamazda, A Sharafeev, R Bohle, P Lemmens, K-Y Choi, FC Chou, R Sankar
Low Temperature Physics
2021-11
期刊論文
Magnetic spin order in the honeycomb structured Pb6Co9(TeO6)5 compound
I. Panneer Muthuselvam, K. Saranya, Deepa Kasinathan, R. N. Bhowmik, Raman Sankar, Namasivayam Dhenadhayalan, G. J. Shu, Wei-tin Chen , L. Kavitha and King-Chuen Lin
Physical Review B
2021-10
期刊論文
Commensurate and incommensurate magnetic structure of the moderately frustrated antiferromagnet Li2M(WO4)2 with M = Co, Ni
Sunil K Karna, CW Wang, R Sankar, D Temple, M Avdeev
Physical Review B
2021-09
期刊論文
Dirac Nodal Line and Rashba Spin-split Surface States in Nonsymmorphic ZrGeTe
Magnetic Properties of Honeycomb Spin Lattice Compounds Na2M2TeO6 (M= Co, Ni) and Spin Dimer Compound Na2Cu2TeO6 Single Crystals by Flux-Growth
Tahir Murtaza, Raju Kalaivanan, G Madeswaran, Khasimsaheb Bayikadi, Raman Sankar
J. Mater. Res. Technol.
2021-08
期刊論文
Anisotropic transport in a possible quasi-one-dimensional topological candidate: TaNi2Te3
Yi Liu, Chun-Qiang Xu, Wen-He Jiao, Ping-Gen Cai, Bin Li, Wei Zhou, Bin Qian, Xue-Fan Jiang, Raman Sankar, Xiang-Lin Ke, Guang-Han Cao, Xiao-Feng Xu
Tungsten
2021-08
期刊論文
Pressure-induced excitations in the out-of-plane optical response of the nodal-line semimetal ZrSiS
Jihaan Ebad-Allah, Serto Rojewski, Marcel Vöst, Georg Eickerling, Wolfgang Scherer, E Uykur, Raman Sankar, L Varrassi, C Franchini, K-H Ahn, J Kuneš, CA Kuntscher
Physical Review Letters
2021-08
期刊論文
Robust topological state against magnetic impurities observed in the superconductor PbTaSe2
Daniel Multer, Jia-Xin Yin, Songtian S Zhang, Hao Zheng, Tay-Rong Chang, Guang Bian, Raman Sankar, M Zahid Hasan
Physical Review B
2021-07
期刊論文
Evidence for largest room temperature magnetic signal from Co2+ in antiphase-free & fully inverted CoFe2O4 in multiferroic-ferrimagnetic BiFeO3-CoFe2O4 nanopillar thin films
Xiao Wang, Zhiwei Hu, Stefano Agrestini, Javier Herrero-Martín, Manuel Valvidares, Raman Sankar, Fang-Cheng Chou, Ying-Hao Chu, Arata Tanaka, Liu Hao Tjeng, Eric Pellegrin
Journal of Magnetism and Magnetic Materials
2021-06
期刊論文
Large magnetoresistance and quantum oscillations in Sn0.05Pb0.95Te
Multistage development of anisotropic magnetic correlations in the Co-based honeycomb lattice Na2Co2TeO6
CH Lee, S Lee, YS Choi, ZH Jang, R Kalaivanan, R Sankar*, K-Y Choi
Physical Review B
2021-06
期刊論文
Switching of the electron-phonon interaction in 1T−VSe2assisted by hot carriers
Paulina Majchrzak, Sahar Pakdel, Deepnarayan Biswas, Alfred JH Jones, Klara Volckaert, Igor Marković, Federico Andreatta, Raman Sankar, Chris Jozwiak, Eli Rotenberg, Aaron Bostwick, Charlotte E Sanders, Yu Zhang, Gabriel Karras, Richard T Chapman, Adam Wyatt, Emma Springate, Jill A Miwa, Philip Hofmann, Phil DC King, Nicola Lanatà, Young Jun Chang, Søren Ulstrup
Physical Review B
2021-05
期刊論文
A Bi-Anti-Ambipolar Field Effect Transistor
Christy Roshini Paul Inbaraj, Roshan Jesus Mathew, Rajesh Kumar Ulaganathan, Raman Sankar, Monika Kataria, Hsia Yu Lin, Yit-Tsong Chen, Mario Hofmann, Chih-Hao Lee, Yang-Fang Chen
ACS Nano
2021-04
期刊論文
Magnetic and structural dimer networks in layered K2Ni(MoO4)2
G Senthil Murugan, K Ramesh Babu, Raman Sankar, WT Chen, I Panneer Muthuselvam, Sumanta Chattopadhyay, K-Y Choi
Phys. Rev. B
2021-04
期刊論文
Revealing the Quasi-Periodic Crystallographic Structure of Self-Assembled SnTiS3 Misfit Compound
Nitul S Rajput, Hionsuck Baik, Jin-You Lu, Srinivasa Reddy Tamalampudi, Raman Sankar, Amal Al Ghaferi, Matteo Chiesa
J. Phys. Chem. C
2021-04
期刊論文
The effect of Mg content and milling time on the solid solubility and microstructure of Ti–Mg alloys processed by mechanical milling
Song Jeng Huang, Adil Muneeb, Aqeel Abbas, Raman Sankar
Journal of Materials Research and Technology
2021-03
期刊論文
Tailoring the Co 4+/Co 3+ active sites in a single perovskite as a bifunctional catalyst for the oxygen electrode reactions
Two-gap superconductivity and topological surface states in TaOsSi
C. Q. Xu, B. Li, J. J. Feng, W. H. Jiao, Y. K. Li, S. W. Liu, Y. X. Zhou, R. Sankar, Nikolai D. Zhigadlo, H. B. Wang, Z. D. Han, B. Qian, W. Ye, W. Zhou, T. Shiroka, Pabitra K. Biswas, Xiaofeng Xu, and Z. X. Shi
Phys. Rev. B
2019-09
期刊論文
Possible manifestations of the chiral anomaly and evidence for a magnetic field induced topological phase transition in the type-I Weyl semimetal TaAs.
QR Zhang, B Zeng, YC Chiu, R Schönemann, S Memaran, W Zheng, D Rhodes, K-W Chen, T Besara, R Sankar, F Chou, GT McCandless, JY Chan, N Alidoust, S-Y Xu, I Belopolski, MZ Hasan, FF Balakirev, L Balicas
Phys. Rev. B
2019-08
期刊論文
Crystal growth and magnetic properties of topological nodal-line semimetal GdSbTe with Antiferromagnetic spin ordering
Raman Sankar, I Panneer Muthuselvam, K Ramesh Babu, G Senthil Murugan, Karthik Rajagopal, Rakesh Kumar, Tsung-Chi Wu, Cheng-Yen Wen, Wei-Li Lee, Guang-Yu Guo, Fang-Cheng Chou
Inorg. Chem
2019-07
期刊論文
A chitosan grafted mesoporous carbon aerogel for ultra-sensitive voltammetric determination of isoniazid
Chellakannu Rajkumar, Raja Nehru, Shen-Ming Chen, S Arumugam, Raman Sankar
Microchim Acta
2019-07
期刊論文
Heavy Mediator at Quantum Dot/Graphene Heterojunction for Efficient Charge Carrier Transfer: Alternative Approach for High-Performance Optoelectronic Devices.
Rapti Ghosh, Kanchan Yadav, Monika Kataria, Hung-I Lin, Christy Roshini Paul Inbaraj, Yu-Ming Liao, Yen Nguyen, Cheng-Hsin Lu, Mario Hofmann, Raman Sankar, Wei-Heng Shih, Ya-Ping Hsieh, Yang-Fang Chen
Sonochemical driven simple preparation of nitrogen-doped carbon quantum dots/SnO2 nanocomposite: A novel electrocatalyst for sensitive voltammetric determination of riboflavin
Yinming Shao, Zhiyuan Sun, Ying Wang, Chenchao Xu, Raman Sankar, Alexander J Breindel, Chao Cao, Michael M Fogler, Andrew J Millis, Fangcheng Chou, Zhiqiang Li, Thomas Timusk, M Brian Maple, DN Basov
Proceedings of the National Academy of Sciences
2019-
期刊論文
Electrochemical sensing of free radical antioxidant diphenylamine cations (DPAH˙+) with carbon interlaced nanoflake-assembled Mg x Ni 9− x S 8 microspheres
Raja Nehru, Raghavan Chinnambedu Murugesan, Shen-Ming Chen, Raman Sankar*
CrystEngComm
2019-
期刊論文
High‐Performance Flexible Broadband Photodetectors Based on 2D Hafnium Selenosulfide Nanosheets
Distinct multiple fermionic states in a single topological metal
M Mofazzel Hosen, Klauss Dimitri, Ashis K Nandy, Alex Aperis, Raman Sankar, Gyanendra Dhakal, Pablo Maldonado, Firoza Kabir, Christopher Sims, Fangcheng Chou, Dariusz Kaczorowski, Tomasz Durakiewicz, Peter M Oppeneer, Madhab Neupane
Nat. Commun
2018-07
期刊論文
Atomic-scale strain manipulation of a charge density wave
Shang Gao, Felix Flicker, Raman Sankar, He Zhao, Zheng Ren, Bryan Rachmilowitz, Sidhika Balachandar, Fangcheng Chou, Kenneth S Burch, Ziqiang Wang, Jasper Van Wezel, Ilija Zeljkovic
PNAS
2018-07
期刊論文
Emergence of a Metal–Insulator Transition and High-Temperature Charge-Density Waves in VSe2 at the Monolayer Limit
Ganbat Duvjir, Byoung Ki Choi, Iksu Jang, Søren Ulstrup, Soonmin Kang, Trinh Thi Ly, Sanghwa Kim, Young Hwan Choi, Chris Jozwiak, Aaron Bostwick, Eli Rotenberg, Je-Geun Park, Raman Sankar, Ki-Seok Kim, Jungdae Kim, Young Jun Chang
Nano Lett.
2018-07
期刊論文
Enhanced Light Emission from the Ridge of Two-dimensional InSe Flakes
Yang Li, Tianmeng Wang, Han Wang, Zhipeng Li, Yanwen Chen, Damien West, Raman Sankar, Rajesh K Ulaganathan, Fangcheng Chou, Christian Wetzel, Cheng-Yan Xu, Shengbai Zhang, Su-Fei Shi
Nano let.
2018-06
期刊論文
Inducing Strong Superconductivity in WTe2 by Proximity Effect
Reinvestigating the surface and bulk electronic properties of Cd3 As2
S Roth, H Lee, A Sterzi, M Zacchigna, A Politano, R Sankar, FC Chou, G Di Santo, L Petaccia, OV Yazyev, A Crepaldi
Phy. Rev. B
2018-03
期刊論文
Analysis of multiprogramming-multiprocessor retrial queueing systems with Bernoulli vacation schedule
B Krishna Kumar, R Navaneetha Krishnan, R Sankar, R Rukmani
Queueing Models and Service Management
2018-03
期刊論文
Energy scale of Dirac electrons in Cd3As2
M Hakl, S Tchoumakov, I Crassee, A Akrap, BA Piot, C Faugeras, G Martinez, A Nateprov, E Arushanov, Frederic Teppe, R Sankar, Wei-li Lee, J Debray, O Caha, J Novak, MO Goerbig, M Potemski, M Orlita
Phy. Rev. B
2018-03
期刊論文
Ferromagnetic nature in low-dimensional S= 1 antiferromagnetic Li2Ni(WO4)2 nanoparticles
IP Muthuselvam, R Sankar, GN Rao, SK Karna, FC Chou
Journal of Magnetism and Magnetic Materials
2018-02
期刊論文
Pressure-induced electronic and structural phase transitions in Dirac semimetal Cd3As2: Raman study
Satyendra Nath Gupta, DVS Muthu, C Shekhar, R Sankar, C Felser, AK Sood
EPL (Europhysics Letters)
2018-02
期刊論文
Superconductivity in a misfit layered (SnS)1.15(TaS2) compound
Raman Sankar. G Peramaiyan, I Panneer Muthuselvam, Cheng-Yen Wen, Xiaofeng Xu, FC Chou
Chem. Mater
2018-01
期刊論文
Evidence of s-wave superconductivity in the noncentrosymmetric La7Ir3
B Li, CQ Xu, W Zhou, WH Jiao, R Sankar, FM Zhang, HH Hou, XF Jiang, B Qian, B Chen, AF Bangura, Xiaofeng Xu
Sci. Rep
2018-01
期刊論文
Two-dimensional transport and strong spin–orbit interaction in SrMnSb2
Ultrasensitive tunability of the direct bandgap of two-dimensional InSe flakes via strain engineering
Yang Li, Tianmeng Wang, Meng Wu, Ting Cao, Yanwen Chen, Raman Sankar, Rajesh Kumar Ulaganathan, Fang-Cheng Chou, Christian Wetzel, Chengyan Xu, Steven G Louie, Sufei Shi
2D Mater
2017-11
期刊論文
Correlation between non-Fermi-liquid behavior and superconductivity in (Ca, La)(Fe, Co) As2 iron arsenides: A high-pressure study
W Zhou, F Ke, Xiaofeng Xu, R Sankar, X Xing, CQ Xu, XF Jiang, B Qian, N Zhou, Y Zhang, M Xu, B Li, B Chen, ZX Shi
Physical Review B
2017-11
期刊論文
Crystal growth and transport properties of Weyl semimetal TaAs
Raman Sankar, G Peramaiyan, I Panneer Muthuselvam, Suyang Xu, M Zahid Hasan, FC Chou
Journal of Physics: Condensed Matter
2017-11
期刊論文
Enhanced electron correlations in the binary stannide PdSn 4: A homologue of the Dirac nodal arc semimetal PtSn4
CQ Xu, W Zhou, R Sankar, XZ Xing, ZX Shi, ZD Han, B Qian, JH Wang, Zengwei Zhu, JL Zhang, AF Bangura, NE Hussey, Xiaofeng Xu
Physical Review Materials
2017-11
期刊論文
Quasiparticle Interference in ZrSiS-Strongly Band-Selective Scattering Depending on Impurity Lattice Site
CJ Butler, YM Wu, CR Hsing, Y Tseng, R Sankar, CM Wei, FC Chou
Physical Review B
2017-11
期刊論文
Surface oxidation doping to enhance photo generated carrier separation efficiency for ultrahigh gain indium selenide photodetector
YR Chang, PH Ho, CY Wen, TP Chen, SS Li, JY Wang, MK Li, CA Tsai, Raman Sankar, Wei-Hua Wang, Po-Wen Chiu, Fang-Cheng Chou, and Chun-Wei Chen
ACS Photonics
2017-10
期刊論文
Observation of ultrahigh mobility surface states in a topological crystalline insulator by infrared spectroscopy.
Ying Wang, Guoyu Luo, Junwei Liu, R Sankar, Nan-Lin Wang, Fangcheng Chou, Liang Fu, Zhiqiang Li
Nat. Commun
2017-09
期刊論文
Anomalous Acoustic Plasmon Mode from Topologically Protected States
Xun Jia, Shuyuan Zhang, Raman Sankar, Fang-Cheng Chou, Weihua Wang, K Kempa, EW Plummer, Jiandi Zhang, Xuetao Zhu, Jiandong Guo
Physical Review Letter
2017-08
期刊論文
Observation of ultrahigh mobility surface states in a topological crystalline insulator by infrared spectroscopy
Y Wang, G Luo, J Liu, R Sankar, NL Wang, F Chou, L Fu, Z Li
Nature Communications
2017-08
期刊論文
Proximity-effect-induced Superconducting Gap in Topological Surface States – A Point Contact Spectroscopy Study of NbSe2/Bi2Se3 Superconductor-Topological Insulator Heterostructures
Wenqing Dai, Anthony Richardella, Renzhong Du, Weiwei Zhao, Xin Liu, CX Liu, Song-Hsun Huang, Raman Sankar, Fangcheng Chou, Nitin Samarth, Qi Li
Scientific Reports
2017-08
期刊論文
Topological phase transition under pressure in the topological nodal-line superconductor PbTaSe2
CQ Xu, R Sankar, W Zhou, Bin Li, ZD Han, B Qian, JH Dai, Hengbo Cui, AF Bangura, FC Chou, Xiaofeng Xu
Physical Review B
2017-07
期刊論文
Ambipolar field-effect transistors by few-layer InSe with asymmetry contact metals
Optical phonon dynamics and electronic fluctuations in the Dirac semimetal Cd3As2
A Sharafeev, V Gnezdilov, R Sankar, FC Chou, P Lemmens
Physical Review B
2017-06
期刊論文
µSR study of noncentrosymmetric superconductor PbTaSe2
MN Wilson, AM Hallas, Y Cai, S Guo, Z Gong, R Sankar, FC Chou, YJ Uemura, GM Luke
Physical Review B
2017-05
期刊論文
Antiferromagnetism of Li2Cu5Si4O14 with alternating dimers and trimers in chains
GS Murugan, PJ Chen, R Sankar, IP Muthuselvam, GN Rao, FC Chou
Physical Review B
2017-05
期刊論文
Topological quantum phase transition and superconductivity induced by pressure in the bismuth tellurohalide BiTeI
Yanpeng Qi, Wujun Shi, Pavel G Naumov, Nitesh Kumar, Raman Sankar, Walter Schnelle, Chandra Shekhar, FC Chou, Claudia Felser, Binghai Yan, Sergey A Medvedev
Adv. Mater
2017-04
期刊論文
Large negative thermal expansion in the cubic phase of CaMn7O12
K Gautam, DK Shukla, S Francoual, J Bednarcik, JRL Mardegan, H-P Liermann, R Sankar, FC Chou, DM Phase, J Strempfer
Physical Review B
2017-04
期刊論文
Tunability of the topological nodal-line semimetal phase in ZrSi X-type materials (X= S, Se, Te)
M Mofazzel Hosen, Klauss Dimitri, Ilya Belopolski, Pablo Maldonado, Raman Sankar, Nagendra Dhakal, Gyanendra Dhakal, Taiason Cole, Peter M Oppeneer, Dariusz Kaczorowski, Fangcheng Chou, M Zahid Hasan, Tomasz Durakiewicz, Madhab Neupane
Physical Review B
2017-03
期刊論文
Sodium layer chiral distribution and spin structure of Na2Ni2TeO6 with a Ni honeycomb lattice
Sunil K Karna, Y Zhao, R Sankar, M Avdeev, PC Tseng, CW Wang, GJ Shu, K Matan, GY Guo, FC Chou
Physical Review B
2017-02
期刊論文
Epitaxial growth of vertically stacked p-MoS2/n-MoS2 heterostructures by chemical vapor deposition for light emitting devices
Influence of induced defects on transport properties of the Bridgman-grown Bi2Se3-based single crystals
KK Wu, B Ramachandran, YK Kuo, R Sankar, FC Chou
Journal of Alloys and Compounds
2016-10
期刊論文
Quasiparticle Scattering in the Rashba Semiconductor BiTeBr: The Roles of Spin and Defect Lattice Site
Christopher John Butler, Po-Ya Yang, Raman Sankar, Yen-Neng Lien, Chun-I Lu, Luo-Yueh Chang, Chia-Hao Chen, Ching-Ming Wei,Fang-Cheng Chou, Minn-Tsong Lin
ACS nano
2016-10
期刊論文
Screening limited switching performance of multilayer 2D semiconductor FETs: the case for SnS
Sukrit Sucharitakul, U Rajesh Kumar, Raman Sankar, Fang-Cheng Chou, Yit-Tsong Chen, Chuhan Wang, Cai He, Rui He, Xuan PA Gao
Nanoscale
2016-08
期刊論文
Correction: Corrigendum: Observation of a topological crystalline insulator phase and topological phase transition in Pb 1− x Sn x Te
Su-Yang Xu, Chang Liu, N Alidoust, M Neupane, D Qian, I Belopolski, JD Denlinger, YJ Wang, H Lin, LA Wray, G Landolt, B Slomski, JH Dil, A Marcinkova, E Morosan, Q Gibson, R Sankar, FC Chou, RJ Cava, A Bansil, MZ Hasan
Nature communications
2016-06
期刊論文
Large transverse Hall-like signal in topological Dirac semimetal Cd3As2
Shih-Ting Guo, R Sankar, Yung-Yu Chien, Tay-Rong Chang, Horng-Tay Jeng, Guang-Yu Guo, FC Chou, Wei-Li Lee
Scientific Reports
2016-06
期刊論文
Topological Dirac surface states and superconducting pairing correlations in PbTaSe2
Observation of topological nodal fermion semimetal phase in ZrSiS
Madhab Neupane, Ilya Belopolski, M Mofazzel Hosen, Daniel S Sanchez,Raman Sankar, Maria Szlawska, Su-Yang Xu, Klauss Dimitri, Nagendra Dhakal, Pablo Maldonado, Peter M Oppeneer, Dariusz Kaczorowski, Fangcheng Chou, M Zahid Hasan, Tomasz Durakiewic
Physical Review B
2016-03
期刊論文
Electronic structure and relaxation dynamics in a superconducting topological material
Madhab Neupane, Yukiaki Ishida, Raman Sankar, Jian-Xin Zhu, Daniel S Sanchez, Ilya Belopolski, Su-Yang Xu, Nasser Alidoust, M Mofazzel Hosen, Shik Shin, Fangcheng Chou, M Zahid Hasan, Tomasz Durakiewicz
Scientific Reports
2016-03
期刊論文
Tellurium-bridged two-leg spin ladder in Ba2CuTeO6
G Narsinga Rao, R Sankar, Akansha Singh, I Panneer Muthuselvam, WT Chen, Viveka Nand Singh, Guang-Yu Guo, FC Chou
Physical Review B
2016-02
期刊論文
Growth of the Bi2Se3 Surface Oxide for Metal–Semiconductor–Metal Device Applications
Discovery of a Weyl fermion semimetal and topological Fermi arcs
Su-Yang Xu, Ilya Belopolski, Nasser Alidoust, Madhab Neupane, Guang Bian, Chenglong Zhang, Raman Sankar, Guoqing Chang, Zhujun Yuan, Chi-Cheng Lee, Shin-Ming Huang, Hao Zheng, Jie Ma, Daniel S Sanchez, BaoKai Wang, Arun Bansil, Fangcheng Chou, Pavel P Shibayev, Hsin Lin, Shuang Jia, M Zahid Hasan
Science
2015-08
期刊論文
Large single crystal growth, transport property, and spectroscopic characterizations of three-dimensional Dirac semimetal Cd3As2
R Sankar, M Neupane, S-Y Xu, CJ Butler, I Zeljkovic, I Panneer Muthuselvam,F-T Huang, S-T Guo, Sunil K Karna, M-W Chu, WL Lee, M-T Lin, R Jayavel, V Madhavan, MZ Hasan, FC Chou
Scientific Reports.
2015-08
期刊論文
Lifshitz transition and Van Hove singularity in a three-dimensional topological Dirac semimetal
Su-Yang Xu, Chang Liu, I Belopolski, SK Kushwaha, R Sankar, JW Krizan, T-R Chang, CM Polley, Johan Adell, T Balasubramanian, K Miyamoto, N Alidoust, Guang Bian, M Neupane, H-T Jeng, C-Y Huang, W-F Tsai, T Okuda, A Bansil, FC Chou, RJ Cava, Hsin Lin, M Zahid Hasan
Physical Review B
2015-08
期刊論文
Topological phase diagram and saddle point singularity in a tunable topological crystalline insulator
Madhab Neupane, Su-Yang Xu, R Sankar, Q Gibson, YJ Wang, I Belopolski, N Alidoust, G Bian, PP Shibayev, DS Sanchez, Y Ohtsubo, A Taleb-Ibrahimi, S Basak, W-F Tsai, H Lin, Tomasz Durakiewicz, RJ Cava, A Bansil, FC Chou, M Zahid Hasan
Physical Review B
2015-07
期刊論文
Antiferromagnetic spin structure and negative thermal expansion of Li2Ni(WO4)2
Sunil K Karna, CW Wang, R Sankar, M Avdeev, A Singh, I Panneer Muthuselvam, VN Singh, GY Guo, FC Chou
Physical Review B
2015-06
期刊論文
Development of a ferromagnetic component in the superconducting state of Fe-excess Fe1.12Te1-xSex by electronic charge redistribution
Wen-Hsien Li, Sunil K Karna, Han Hsu, Chi-Yen Li, Chi-Hung Lee, Raman Sankar, Fang Cheng Chou
Scientific Reports
2015-06
期刊論文
Intrinsic electron mobility exceeding 103 cm2/(Vs) in multilayer InSe FETs
Sukrit Sucharitakul, Nicholas J Goble, U Rajesh Kumar, Raman Sankar, Zachary A Bogorad, Fang-Cheng Chou, Yit-Tsong Chen, Xuan PA Gao
Nano letters
2015-06
期刊論文
Surface versus bulk Dirac state tuning in a three-dimensional topological Dirac semimetal
Madhab Neupane, Su-Yang Xu, Nasser Alidoust, Raman Sankar, Ilya Belopolski, Daniel S Sanchez, Guang Bian, Chang Liu, Tay-Rong Chang, Horng-Tay Jeng, BaoKai Wang, Guoqing Chang, Hsin Lin, Arun Bansil, Fangcheng Chou, M Zahid Hasan
Physical Review B
2015-05
期刊論文
Magnetic Orderings in Li2Cu(WO4)2 with Tungstate-Bridged Quasi-1D Spin-1/2 Chains
I Panneer Muthuselvam, Raman Sankar, Viveka Nand Singh, G Narsinga Rao, Wei-Li Lee, Guang-Yu Guo, Fang-Cheng Chou
Inorganic chemistry
2015-03
期刊論文
Dirac mass generation from crystal symmetry breaking on the surfaces of topological crystalline insulators
Enhanced thermoelectric performance of GeTe-rich germanium antimony tellurides through the control of composition and structure
Raman Sankar, Deniz P Wong, Chiao-Song Chi, Wei-Lun Chien, Jih-Shang Hwang, Fang-Cheng Chou, Li-Chyong Chen, Kuei-Hsien Chen
Cryst Eng Comm
2015-03
期刊論文
Graphene-like conjugated π bond system in Pb1− xSnxSe
GJ Shu, SC Liou,S Karna, R Sankar, M Hayashi, M-W Chu, FC Chou
Applied Physics Letters
2015-03
期刊論文
Nanoscale determination of the mass enhancement factor in the lightly doped bulk insulator lead selenide
Ilija Zeljkovic, Kane L Scipioni, Daniel Walkup, Yoshinori Okada, Wenwen Zhou, Raman Sankar, Guoqing Chang, Yung Jui Wang, Hsin Lin, Arun Bansil, Fangcheng Chou, Ziqiang Wang, Vidya Madhavan
Nature Communications
2015-01
期刊論文
Antiferromagnetism of Ni2NbBO6 with S= 1 dimer quasi-one-dimensional armchair chains
G Narsinga Rao, Viveka Nand Singh, R Sankar, I Panneer Muthuselvam, Guang-Yu Guo, FC Chou
Physical Review B
2015-01
期刊論文
Observation of Fermi arc surface states in a topological metal
Su-Yang Xu, Chang Liu, Satya K Kushwaha, Raman Sankar, Jason W Krizan, Ilya Belopolski, Madhab Neupane, Guang Bian, Nasser Alidoust, Tay-Rong Chang, Horng-Tay Jeng, Cheng-Yi Huang, Wei-Feng Tsai, Hsin Lin, Pavel P Shibayev, Fang-Cheng Chou, Robert J Cava, M Zahid Hasan
Science
2015-
期刊論文
Hierarchical spin-orbital polarization of a giant Rashba system
Lewis Bawden, Jonathan M Riley, Choong H Kim, Raman Sankar, Eric J Monkman, Daniel E Shai, Haofei I Wei, Edward B Lochocki, Justin W Wells, Worawat Meevasana, Timur K Kim, Moritz Hoesch, Yoshiyuki Ohtsubo, Patrick Le Fèvre, Craig J Fennie, Kyle M Shen, Fangcheng Chou, Phil DC King
Science Advances
2015-
期刊論文
Intrinsic field effect and Hall mobility in multilayer III–VI 2D semiconductor InSe FETs
Sukrit Sucharitakul, Nicholas J Goble, U Rajesh Kumar, Raman Sankar, Zachary A Bogorad, Fang Cheng Chou, Y Chen, Xuan PA Gao
Nano Lett
2014-12
期刊論文
Magnetic and thermal property studies of RCrTeO6 (R-trivalentlanthanides) with layered honeycomb sublattices
G. Narsinga Rao, R. Sankar ,, I. Panneer Muthuselvama, F.C. Chou
Journal of Magnetism and Magnetic Materials
2014-12
期刊論文
Momentum-space imaging of Cooper pairing in a half-Dirac-gas topological superconductor
Su-Yang Xu, Nasser Alidoust, Ilya Belopolski, Anthony Richardella, Chang Liu, Madhab Neupane, Guang Bian, Song-Hsun Huang, Raman Sankar, Chen Fang, Brian Dellabetta, Wenqing Dai, Qi Li, Matthew J Gilbert, Fangcheng Chou, Nitin Samarth, M Zahid Hasan
Nature Physics
2014-11
期刊論文
Two-step antiferromagnetic orderings and moderate triabgular frustration in Li2Co(WO4)2
Panneer Muthuselvam I, Sankar R, Ushakov A V, Narsinga Rao G, Sergey V. Streltsov and Chou F C
Phys. Rev. B
2014-10
期刊論文
Crystal growth and magnetic ordering of Na 2 Ni 2 TeO 6 with honeycomb layers and Na 2 Cu 2 TeO 6 with Cu spin dimers
R Sankar, I Panneer Muthuselvam, GJ Shu, WT Chen, Sunil K Karna, R Jayavel, FC Chou
Cryst Eng Comm
2014-09
期刊論文
Influence of nanoscale Ag2Te precipitates on the thermoelectric properties of the Sn doped P-type AgSbTe2 compound
Influence of In doping on the thermoelectric properties of AgSbTe2compound with enhanced figure of merit
Rajesh kumar Mohanraman, Raman Sankar, Karunakara Moorthy Boopathi , Fang-Cheng Chou, Chih Wei Chu, Chih-Hao Lee and Yang-Yuan Chen
J. Mater. Chem. A.
2013-12
期刊論文
Snapshots of Dirac Fermions near the Dirac Point in Topological Insulators
C. W. Luo, H. J. Wang, S. A. Ku, H.-J. Chen, T. T. Yeh, J.-Y. Lin, K. H. Wu, R. Sankar, F. C. Chou,K. A. Kokh, O. E. Tereshchenko, E. V. Chulkov, Yu. M. Andreev, and G. D. Gu
Nano Lett
2013-11
期刊論文
Anomalous behavior in the phonon dispersion of the (001) surface of Bi2Te3 determined from helium atom-surface scattering measurements
Colin Howard and M. El-Batanouny, R. Sankar and F. C. Chou
Phys. Rev. B
2013-11
期刊論文
THz Generation and Detection on Dirac Fermions in Topological Insulators
Chih Wei Luo, Hsueh‐Ju Chen, Chien Ming Tu, Chia Ching Lee, Shin An Ku, Wen Yen Tzeng, Tien Tien Yeh, Meng Chi Chiang, Harn Jiunn Wang, Wei Chen Chu, Jiunn‐Yuan Lin, Kaung Hsiung Wu, Jenh Yih Juang, Takayoshi Kobayashi, Cheng‐Maw Cheng, Ching‐Hung Chen, Ku‐Ding Tsuei, Helmuth Berger, Raman Sankar, Fang Cheng Chou, Hung Duen Yang
Adv. Optical Mater
2013-11
期刊論文
Terahertz Generation: THz Generation and Detection on Dirac Fermions in Topological Insulators (Advanced Optical Materials 11/2013)
Chih Wei Luo, Hsueh‐Ju Chen, Chien Ming Tu, Chia Ching Lee, Shin An Ku, Wen Yen Tzeng, Tien Tien Yeh, Meng Chi Chiang, Harn Jiunn Wang, Wei Chen Chu, Jiunn‐Yuan Lin, Kaung Hsiung Wu, Jenh Yih Juang, Takayoshi Kobayashi, Cheng‐Maw Cheng, Ching‐Hung Chen, Ku‐Ding Tsuei, Helmuth Berger, Raman Sankar, Fang Cheng Chou, Hung Duen Yang
Advanced Optical Materials
2013-10
期刊論文
Enhanced thermoelectric performance in Bi-doped p-type AgSbTe2 compounds
R. Mohanraman, Raman Sankar, F.C.Chou, C. H Lee and Y. Chen
Journal of Applied Physics
2013-09
期刊論文
Observation of Dirac Node Formation and Mass Acquisition in a Topological Crystalline Insulator
Yoshinori Okada, Maksym Serbyn, Hsin Lin, Daniel Walkup, Wenwen Zhou,Chetan Dhital, Madhab Neupane, Suyang Xu, Yung Jui Wang, R Sankar,Fangcheng Chou, Arun Bansil, M Zahid Hasan, Stephen D Wilson, Liang Fu,Vidya Madhavan
Science
2013-08
期刊論文
Large magnetoresistance and charge transfer between the conduction and magnetic electrons in layered oxyselenide BiOCu0.96Se
Sunil K. Karna, C.-H. Hung, C.-M Wu, C.-W. Wang, W.-H. Li, R. Sankar, F.C. Chou, and M. Avdeev
Dalton Trans
2013-08
期刊論文
Magnetic-field-tunable negative thermal expansion in layered oxyselenide BiOCuSe
Sunil K. Karna, W.-H. Li, C.-M. Wu, C. W. Wang, R. Sankar and F. C. Chou
J. Phys. Soc. Jpn
2013-08
期刊論文
Magneto-transport measurement in BiTeI single crystal
Chang-Ran Wang ,Raman Sankar Chia-Tso Hsieh , , Wei-Li Lee , Guang-Yu Hsu , Y.H. Matsuda , K. Kindo , C.C. Chou , H.D. Yang , H. Berger , F.C. Chou
Phys. Rev. B
2013-08
期刊論文
Magnetotransport in copper-doped noncentrosymmetric BiTeI
Chang-Ran Wang, Jen-Chuan Tung, R Sankar, Chia-Tso Hsieh, Yung-Yu Chien, Guang-Yu Guo, FC Chou, Wei-Li Lee
Physical Review B
2013-04
期刊論文
Growing of fixed orientation plane of single crystal using the Flux Growth technique and Ferrimagnetic ordering in Ni3TeO6 of stacked 2D honeycomb rings
R. Sankar, G. J. Shu, and F. C. Chou
Dalton Trans
2013-03
期刊論文
Anomalous behavior in the phonon dispersion of the (001) surface of Bi 2 Te 3 determined from helium atom-surface scattering measurements
Colin Howard, M El-Batanouny, R Sankar, FC Chou
Physical Review B
2013-03
期刊論文
Plasmons dispersion and nonvertical interband transitions in single crystal Bi2Se3 investigated by electron energy-loss spectroscopy
S. C. Liou, M.-W. Chu, R. Sankar, F.-T. Huang, G. J. Shu, F. C. Chou, and C. H. Chen
Phy.Rev. B.
2012-11
期刊論文
Observation of a topological crystalline insulator phase and topological phase transition in Pb1_xSnxTe
Su-Yang Xu, Chang Liu, N. Alidoust, M. Neupane, D. Qian, I. Belopolski, J.D. Denlinger, Y.J. Wang, H. Lin, L.A.Wray, G. Landolt, B. Slomski, J.H. Dil, A. Marcinkova, E. Morosan, Q. Gibson, R. Sankar, F.C. Chou, R.J. Cava, A. Bansil & M.Z. Hasan
Nature Communications
2012-09
期刊論文
Phonon dynamics in CuxBi2Se3 (x=0, 0.1, 0.125) and Bi2Se2 crystals studied using femtosecond spectroscopy
H.-J. Chen, K. H. Wu, C. W. Luo, T. M. Uen, J. Y. Juang, J.-Y. Lin, T. Kobayashi, H.-D. Yang, R. Sankar, F. C. Chou, H. Berger, and J. M. Liu
Appl. Phys. Lett.
2012-08
期刊論文
Nonstoichiometric doping and Bi antisite defect in single crystal Bi2Se3
F.-T. Huang, M.-W. Chu, H. H. Kung, W. L. Lee, R. Sankar, S.-C. Liou, K. K. Wu, Y. K. Kuo, and F. C. Chou
Phy.Rev.B
2012-08
期刊論文
Probing the bulk electronic states of Bi2Se3 using nuclear magnetic resonance
Young,Ben-Li; Lai, Zong-Yo; Xu, Zhijun; Yang, Alina; Gu, G. D.; Pan, Z.-H.; Valla, T.; Shu, G. J.; Sankar, R.; Chou, F. C
Phys. Rev. B
2012-06
期刊論文
Spin, charge and lattice couplings in Cu-deficient oxysulphide BiOCu0:94S
Sunil K Karna, Chin-Wei Wang, Chun-MingWu, Chien-Kang Hsu, Daniel Hsu, Chih-Jen Wang, Wen-Hsien Li, Raman Sankar and Fang-Cheng Chou
J. Phys.: Condens. Matter
2012-05
期刊論文
Electron-Phonon Coupling on the Surface of the Topological Insulator Bi2Se3 Determined from Surface-Phonon Dispersion Measurements
Xuetao Zhu, L.Santos, C. Howard, R. Sankar, F. C. Chou, C. Chamon, and M. El-Batanouny
Phy.Rev.Let
2012-01
期刊論文
Modeling and Analysis of Weld Parameters on Micro Hardness in SA 516 Gr. 70 Steel
M Satheesh, J Edwin Raja Dhas, R Sabarinathan, S Sakthi Kumar, R Sankar
Procedia engineering
2011-12
期刊論文
Local inhomogeneity and surface degradation of Fe1.15Te and Fe1.03Te0.62Se0.38 s ingle crystals
S. V. Rajasekaran, T. Tite, Y.-M. Chang, R. Sankar , F. C. Chou
J Mater Sci
2011-10
期刊論文
Interaction of Phonons and Dirac Fermions on the Surface of Bi2Se3: A Strong Kohn Anomaly
Xuetao Zhu, L. Santos, R. Sankar, S. Chikara, C. Howard, F.C. Chou, C. Chamon, M. El-Batanouny
Phy.Rev.Lett.
2011-04
期刊論文
Interplay between the Crystalline and Magnetic Structures in BiOCu0.94
Sunil K. KARNA1, Raman SANKAR, Chun-Ming WU, Chin-Wei WANG,Daniel HSU1, Chih-Jen WANG, Fang-Cheng CHOU and Wen-Hsien L
J. Phys. Soc. Jpn
2010-03
期刊論文
Studies on the growth, structural, optical, thermal and electrical properties of nonlinear optical cadmium mercury thiocyanate glycol monomethyl ether single crystal
C.M. Raghavan, A.Bhaskaran, R. Sankar, R. Jayavel
Current Applied Physics
2010-01
期刊論文
Metastable zone width, induction period and interfacial energy of potassium ferrocyanide trihydrate (KFCT)
R. Kanagadurai, R. Sankar, G. Sivanesan,R. Jayavel
E-Journal of Chemistry
2009-12
期刊論文
Synthesis, growth and characterization of semi-organic nonlinear optical bis thiourea antimony tri bromide (BTAB) single crystals
N. Karthick, R. Sankar, R. Jayavel, S. Pandi
J.Cryst.Growth
2009-09
期刊論文
Synthesis and growth of Sodium Bitartrate monohydrate a new Organometallic nonlinear optical single crystal
V. Siva Shankar, R. Siddheswaran, R. Sankar, R. Jayavel, P. Murugakoothan
Current Applied Physics
2009-08
期刊論文
Determination of Metastable Zone Width, Induction Period and Interfacial Energy of a Ferroelectric Crystal - Potassium Ferrocyanide Trihydrate (KFCT)
Kanagadurai, R., R. Durairajan, R. Sankar, G. Sivanesan, and S. P. Elangovan
Journal of Chemistry
2009-07
期刊論文
Nucleation Kinetics, Growth and Characterization Studies of a Diamagnetic Crystal-Zinc Sulphate Heptahydrate (ZSHH)
R. Kanagadurai, R. Sankar, G. Sivanesan, S. Srinivasan,. Rajasekaran, and R. Jayavel
E-Journal of Chemistry
2009-03
期刊論文
Growth, optical, thermal and dielectric studies of an amino acid organic nonlinear optical material: l-Alanine
M Lydia Caroline, R Sankar, RM Indirani, S Vasudevan
Materials Chemistry and Physics
2009-02
期刊論文
Growth and characterization of new semiorganic nonlinear optical single crystal L-Phenylalanine L-Phenylalaninium perchlorate (LPPAPC)
V Siva Shankar, R Siddheswaran, R Sankar, R Jayavel, P Murugakoothan
Materials Letters
2009-02
期刊論文
Synthesis, growth and characterization of nonlinear optical diaqua (thiocyanato) manganese mercury-N, N-dimethylacetamide single crystals
CM Raghavan, R Sankar, R Mohankumar, R Jayavel
Journal of crystal growth
2008-12
期刊論文
Investigations on the nucleation kinetics of Tetrathiourea mercury (II) tetrathiocyanato zinc (II) single crystals
K Rajarajan, R Sankar, I Vetha Potheher, P Sagayaraj
Materials Letters
2008-10
期刊論文
Growth and characterization of nonlinear optical bis-(dimethylsulfoxide) cadmium mercury thiocyanate single crystal
C.M. Raghavan, R. Sankar,R. Mohan Kumar, R. Jayavel
J.Cryst.Growth
2008-06
期刊論文
Growth, spectral and thermal properties of KAP single crystals in the presence of DL- Alanine and L-Methionine amino acid dopants
K. Uthayarani,R. Sankar, C. K. Shashidharan Nair
Cryst. Res. Tech.
2008-05
期刊論文
Growth and characterization of tetra l-lysine alanine mono hydrochloride dihydrate (TLAMHCl), a new semiorganic nonlinear optical single crystal
V. Siva Shankar, R. Sankar, R. Siddheswaran, R. Jayavel, P. Murugakoothan
Materials Chemistry and Physics
2008-05
期刊論文
Nucleation kinetics and growth of nonlinear optical bis (dimethyl sulfoxide) manganese mercury thiocyanate single crystals
C. M. Raghavan, R. Sankar, R. Mohan Kumar, R. Jayavel
Cryst. Res. Tech
2008-04
期刊論文
Growth and characterization studies of ferroelectric diglycine nitrate (DGN) single crystals
R. Kanagadurai, R. Sankar, G. Sivanesan, S. Srinivasan,R. Rajasekaran, R. Jayavel
Materials Chemistry and Physics
2008-02
期刊論文
Effect of amino acid doping on the growth and ferroelectric properties of triglycine sulphate single crystals
C.M. Raghavan, R. Sankar, R. Mohan Kumar, R. Jayavel
Materials Research Bulletin
2008-01
期刊論文
Growth and characterization of semiorganic nonlinear optical rubidium bis-dl-malato borate single crystals
D. Balasubramanian, R. Sankar, V. Siva Shankar, P. Murugakoothan, P. Arulmozhichelvan, R. Jayavel
Materials Chemistry and Physics
2008-01
期刊論文
Structural, thermal, mechanical and optical properties of l-arginine diiodate crystal: A new nonlinear optical material
R. Sankar, R. Muralidharan,C.M. Raghavan, R. Jayavel
Materials Chemistry and Physics
2008-01
期刊論文
Synthesis, growth, and characterization of nonlinear optical material l-arginine iodate crystal
R. Sankar, R. Muralidharan, C.M. Rahgavan, R. Mohan Kumar,R. Jayavel
Materials Letters
2007-11
期刊論文
Growth and characterization of bis-glycine sodium nitrate (BGSN), a novel semi-organic nonlinear optical crystal
R. Sankar, C.M. Ragahvan, R. Mohan Kumar, R. Jayavel
J.Cryst.Growth
2007-07
期刊論文
Growth and Characterization of a new semiorganic nonlinear optical Thiosemicarbazide Cadmium Chloride Monohydrate (Cd(NH2NHCSNH2) Cl2.H2O) single crystals
R. Sankar, C.M. Raghavan, R. Mohan Kumar andR. Jayavel
J.Cryst.Growth
2007-05
期刊論文
Effect of divalent metal ions on the structure, optical and mechanical properties of KAP single crystals
K.Uthayarani, R.Sankar and C.K.Shashidharan Nair
Materials Science Research India
2007-04
期刊論文
Growth and characterization of semiorganic nonlinear optical tetrakis thiourea nickel chloride single crystals
A. Bhaskaran, C. M. Ragavan, R. Sankar,R. Mohankumar, R. Jayavel
Cryst. Res. Tech.
2007-03
期刊論文
Bulk growth and characterization of semi-organic nonlinear optical bis thiourea bismuth chloride single crystals
R. Sankar,C.M. Raghavan. R. Jayavel
Crystal Growth & Design
2007-02
期刊論文
Synthesis and growth of triaquaglycinesulfatozinc (II),[Zn (SO4)(C2H5NO2)(H2O) 3], a new semiorganic nonlinear optical crystal
R Sankar, CM Raghavan, M Balaji, R Mohan Kumar, R Jayavel
Crystal Growth & Design
2007-
期刊論文
Growth and characterization of rare earth metal ion (La, Pr, Sm) doped potassium acid phthalate single crystals
K.Uthayarani, R.Sankar and C.K.Shashidharan Nair
J. Curr. Sci.
2006-12
期刊論文
Growth and characterization of a new semi-organic non-linear optical crystal l-arginine hydrochlorofluoride monohydrate (lahclf)
R. Siddheswaran , R. Sankar, M. Rathnakumari , R. Jayavel, P. Murugakoothan , P. Sureshkumar
Surface Review and Letters
2006-08
期刊論文
Nucleation kinetics and growth aspects of semi organic non-linear optical bis thiourea cadmium acetate single crystals
R. Sankar, C.M. Raghavan, R. Jayavel
Cryst. Res. Tech
2006-08
期刊論文
Nucleation, growth and characterization studies of a nonlinear optical crystal – tris allylthiourea cadmium chloride (ATCC)
R. Siddheswaran ,R. Sankar,M. Rathnakumari , R. Jayavel, P. Murugakoothan , P. Sureshkumar
Laser. Phy. Lett
2006-07
期刊論文
Growth and characterization of tris allylthiourea mercuric chloride crystals
R. Siddheswaran, R. Sankar, M. Ramesh babu, M. Rathnakumari, R. Jayavel, P. Murugakoothan, P. Sureshkumar
Cryst. Res.Tech.
2006-07
期刊論文
Thermal and electrical properties of Tri Glycine Sulpho Phosphate (TGSP) and L‐Asparagine doped TGSP crystals
M Beatrice Margaret, R Sankar, S Kalainathan, R Jayavel, T Irusan
Cryst. Res, Tech.,
2006-05
期刊論文
Preparation and Characterization of ZnO Nano fibers by Electrospinning
R. Siddheswaran, R. Sankar, M. Ramesh babu, M. Rathnakumari, R. Jayavel,P. Murugakoothan, P. Sureshkumar
Cryst. Res. Tech
2005-03
期刊論文
Metastable zone width, induction period and interfacial energy of bis thiourea zinc acetate (BTZA)
D. Jayalakshmi, R. Sankar, R. Jayavel, J. Kumar
J. Cryst. Growth
2004-06
期刊論文
Growth, structural, optical and thermal studies of non-linear optical L-threonine single crystals
G. Ramesh Kumar, S. Gokul Raj, R. Sankar, R. Mohan, S. Pandi, R. Jayavel