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Reaearch Briefing
The origin of the axial Higgs is a hidden ferroaxial electronic density wave
Birender Singh and Kenneth S. Burch
Nature Physics 21, 1530–1531, 2025
Publications
Topological Hall Effect in the Room Temperature Ferromagnet
K. Rao, K. Allen, Y. Gao, S. Mishra, Birender Singh, Kenneth S. Burch, L. Deng, M. Lee, V. Zapf, and E. MorosanUnder review, 2026
Superconducting Symmetry of FeSe
W. Liu, G. Natale, K. M. Kim, S. Funni, L. Kondo, A. Davignon, A. D. Lagrave, Birender Singh, K. Ishihara, M. Geiwitz, M. G. Vergniory, T. Shibauchi, M. Papaj, J. J. Cha, Kenneth S. BurchUnder review, 2026
Dark Excitons and Photoluminescence in the Lieb Lattice
Birender Singh, X. Xu, S. R. Hatt, S. Paul, Y.-M. Wu, C.-C. Wei, V. Williams, K.-M. Kim, Y. Zhang, M. Shehabeldin, M.Geiwitz, X. Li, G. E. Granroth, F. Liu, Q. Ma, B. Flebus, J. J. Cha, V. M. Menon, B. A. Frandsen, D. Y. Qiu, H. Ji and Kenneth S. BurchUnder review, 2026
Bistable superlattice switching in a quantum spin Hall insulator
J. Tang , S. Ding , S. Ding , J. Li , C. Yi , T. Tang , Z. Huang , X. Wu , Z. Huang , Birender Singh , T. Qian , V. Belosevich , M. Guo , A. Gao , N. Peshcherenko , Z. Sun , M. Shehabeldin , K. Watanabe , T. Taniguchi , A. Pasupathy , C. Felser , K. S. Burch , Ni Ni , Y. Wang , Y. Zhang , S.-Y. Xu, Qiong MaNature 652, 68–75 (2026)
Framework distortion stabilizes face-sharing lithium network in a spinel-type superionic conductor
Y. Chen, C. Ramette, M. Krogstad, M. Avdeev, E. Lawrence, S. Kushwaha, C.-C. Wei, R. Subramanian, Birender Singh, B. Liu, X. Wang, C. Hoffmann, J. Liu, P. Cardon, K. Burch, G. G. Sai, Huiwen JiJ. Am. Chem. Soc. 148, 9244, 2026
Ferroaxial density wave from intertwined charge and orbital order in rare-earth tritellurides
Birender Singh, G. McNamara, K.-M. Kim, S. Siddique, S. D. Funni,W. Zhang, X. Luo, P. Sakrikar, E. M. Kenney, R. Singha, S. Alekseev, S. A. A. Ghorashi, T. J. Hicken, C. Baines, H. Luetkens, Y. Wang, V. M. Plisson, M. Geiwitz, C. A. Occhialini, R. Comin, M. J. Graf, L. Zhao, J. Cano, R. M. Fernandes, J. J. Cha, L. M. Schoop and Kenneth S. Burch,Nature Physics 21, 1578-1586, 2025
Hidden quantum state and signature of Mott transition in 2D 1T-TaS2
V. Kumar, Birender Singh and P. KumarPhys. Status Solidi RRL 19, 2500056, 2025
La2O3Mn2Se2: A correlated insulating layered d-wave altermagnet
C.-C. Wei, X. Li, S. Hatt, X. Huai, J. Liu, Birender Singh, K.-M. Kim, R. M. Fernandes, P. Cardon, L. Zhao, T. T. Tran, B. M. Frandsen, K. S. Burch, F. Liu, H. JiPhysical Review Materials 9, 024402, 2025
A monoclinic distortion in the Weyl charge density wave (TaSe4)2I as revealed by nonlinear THz spectroscopy
S. Kim, A. Murzabekova, B. J. Wieder, G. McNamara, Birender Singh, C. Zhao, K. Qu, R. A. Duncan, M. Trigo, K. S. Burch, G. A. Fiete, B. Bradlyn, D. P. Shoemaker and F. Mahmood, Under preparation, 2024Accessing Flat Bands in Kagome Cs2Ni3S4 Through Soft Chemical Processing
G. Villalpando, M. Jovanovic, B. Hoff, Y. Jiang, R. Singha, F. Yuan, H. Hu, D. Calugaru, N. Mathur, J. F. Khoury, S. Dulovic, Birender Singh, V. M. Plisson, C. J. Pollak, J. M. Moya, K. S. Burch, B. Andrei Bernevig, and Leslie M. Schoop,Science Advances 10 eadl1103, 2024
Engineering Anomalously Large Electron Transport in Topological Semimetals
V. M. Plisson, X. Yao, Y. Wang, G. Varnavides, A. Suslov, D. Graf, E. S. Choi, H-Yu Yang, Y. Wang, M. Romanelli, G. McNamara, Birender Singh, G. T. McCandless, J. Y. Chan, P. Narang, F. Tafti, Kenneth S BurchAdvanced Materials 36, 2310944, 2024
Anisotropic and High-Mobility Electronic Transport in a Quasi 2D Antiferromagnet NdSb2
R. Singha, F. Yuan, S. B. Lee, G. V. Villalpando, G. Cheng, Birender Singh, S. Sarker, N. Yao, Kenneth S. Burch, Leslie M. SchoopAdvanced Functional Materials 34, 2308733, 2023
Realization of Z2 topological metal in single-crystalline nickel-deficient NiV2Se4
S. Ramakrishnan, S. Matteppanavar, A. Scho ̈nleber, B. Patra, Birender Singh, A. Thamizhavel, B. Singh, S. van Smaalen, and S. RamakrishnanAnn. Phys. (Berlin) 535, 2200611, 2023
Fluctuating Fractionalized Spins in Quasi Two-dimensional Magnetic V0.8PS3
V. Kumar, D. Kumar, Birender Singh, Y. Shemerliuk, M. Behnami, B. Büchner, S. Aswartham, and Pradeep Kumar,Physical Review B 107, 094417, 2023
Orthorhombic charge density wave on the tetragonal lattice of EuAl4
S. Ramakrishnan, S. R. Kotla, T. Rekis, J.-K. Bao, C. Eisele, L. Noohinejad, M. Tolkiehn, C. Paulmann, Birender Singh, R. Verma, B. Bag, R. Kulkarni, A. Thamizhavel, B. Singh, S. Ramakrishnan and S. van Smaalen,IUCrJ 9, 378, 2022
Superconductivity in Heusler compound ScAu2Al
B. Bag, R. Loke, Birender Singh, A. Thamizhavel, B. Singh, and S. Ramakrishnan,Journal of Physics: Condensed Matter 34, 195403, 2022
Topological phonons and electronic structure of Li2BaSi class of semimetals
V. K. Sharma, Birender Singh, A. B. Sarkar, M. K. Gupta, R. Mittal, A. Agarwal, B. Singh, and V. Kanchana,Journal of Physics: Condensed Matter 34, 125502, 2022
Fractional Spin fluctuations and quantum liquid signature in Gd2ZnIrO6
Birender Singh, D. Kumar, V. Kumar, M. Vogl, S. Wurmehl, S. Aswartham, B. Büchner, and Pradeep Kumar,Physical Review B 104, 134402, 2021
Davydov splitting, Resonance effect, and Phonon dynamics in CVD grown Layered MoS2
D. Kumar, Birender Singh, R. Kumar, M. Kumar, and Pradeep Kumar,Nanotechnology 32, 285705, 2021
Coupling of lattice, spin and intraconfigurational excitations of Eu3+ in Eu2ZnIrO6
Birender Singh, M. Vogl, S. Wurmehl, S. Aswartham, B. Büchner and Pradeep Kumar,Physical Review Research 2, 043179, 2020
Kramers doublets, phonons, crystal-field excitations and their coupling in Nd2ZnIrO6
Birender Singh, M. Vogl, S. Wurmehl, S. Aswartham, B. Büchner, and Pradeep Kumar,Physical Review Research 2, 023162, 2020
Anisotropic Electron-Photon-Phonon Coupling in Layered MoS2
D. Kumar, Birender Singh, R. Kumar, M. Kumar, and Pradeep Kumar,Journal of Physics: Condensed Matter 32, 415702, 2020
Kitaev Magnetism and Fractionalized Excitations in Double Perovskite Sm2ZnIrO6
Birender Singh, M Vogl, S Wurmehl, S Aswartham, B Büchner, Pradeep Kumar,Physical Review Research 2, 013040, 2020
Thermal Expansion Coefficient and Phonon Dynamics in Coexisting Allotropes of Monolayer WS2 Probed by Raman Scattering
D. Kumar, Birender Singh, P. Kumar, V. Balakrishnan, Pradeep Kumar,Journal of Physics: Condensed Matter 31, 505403, 2019
Broken translational and rotational symmetries in LiMn1.5Ni0.5O4 spinel
Birender Singh, S. Kumar, Pradeep Kumar,Journal of Physics: Condensed Matter 31, 395701, 2019
LiSnZr(PO4)3: NASICON-type solid electrolyte with excellent room temperature Li+ conductivity
T.Pareek, S. Dwivedi, Birender Singh, D.Kumar, Pradeep Kumar, Sunil Kumar,Journal of Alloys and Compounds 777, 602, 2019
Correlated paramagnetism and interplay of magnetic and phononic degrees of freedom in 3d-5d coupled La2CuIrO6
Birender Singh, D. Kumar, Kaustuv Manna, A K Bera, G Aslan Cansever, A Maljuk, S Wurmehl, B Büchner, Pradeep Kumar,Journal of Physics: Condensed Matter 31, 485803, 2019
Orbiton–phonon coupling in Ir5+(5d 4) double perovskite Ba2YIrO6
Birender Singh, GA Cansever, T Dey, A Maljuk, S Wurmehl, B Büchner, Pradeep Kumar,
Journal of Physics: Condensed Matter 31, 065603, 2019
(Pb1-xBix)(Ti1-xMnx)O3: Competing mechanism of tetragonal-cubic phase on A/B site modifications
A. K. Yadav, A. Verma, Birender Singh, D. Kumar, S. Kumar, V. Srihari, H. K. Poshwal, Pradeep Kumar, S.-W. Liu, S. Biring, S. Sen,Journal of Alloys and Compounds 765, 278, 2018
Ionic conduction and vibrational characteristics of Al3+ modified monoclinic LiZr2(PO4)3
T. Pareek, Birender Singh, S. Dwivedi, A. K. Yadav, S. Sen, Pradeep Kumar, Sunil Kumar,Electrochimica Acta 263, 533, 2018
Competing thermal expansion mismatch and lattice strain engineered growth of crack free WS2 in-plane heterostructures
P. Kumar, Birender Singh, Pradeep Kumar, Viswanath Balakrishnan,Journal of Materials Chemistry C 6, 11407, 2018
Iron isotope effect in SmFeAsO0.65 and SmFeAsO0.77H0.12 superconductors: A Raman study
Birender Singh, PM Shirage, A Iyo, Pradeep Kumar,AIP Advances 6, 105310, 2016
Conference Proceedings
Anomalous Phonon Renormalization in Single Crystal of Silicon
Himanshi, Birender Singh and Pradeep Kumar, AIP Conference Proceedings 2265, 030468, 2020Density functional study of ACa2Fe4As4F2 (A = K, Rb): Electronic structure, unconventional superconductorBirender Singh and Pradeep Kumar, AIP Conference Proceedings 2009, 020002, 2018
Unconventional iron-based superconductor CsCa2Fe4As4F2: A first-principle study
Birender Singh and Pradeep Kumar, AIP Conference Proceedings 1953, 120019, 2018Doping effect on the thermoelectric properties of chalcopyrite CuGaTe2
S. Sharma, Birender Singh and Pradeep Kumar, AIP Conference Proceedings 1953, 140064, 2018A comparative study of thermoelectric properties of CuGaTe2 by using PBE and MBJ potentials
S. Sharma, Birender Singh and Pradeep Kumar, AIP Conference Proceedings 1942, 140036, 2018Phonon dynamics in LiZr1.9Al0.1(PO4)3: A temperature dependent Raman study
D. Kumar, Birender Singh, Sunil Kumar, Pradeep Kumar, AIP Conference Proceedings 1942, 140035, 2018Structural and electronic properties of LaPd2As2 superconductor: First-principle calculations
Birender Singh and Pradeep Kumar, AIP Conference Proceedings 1832, 130061, 2017Annealing temperature effect on structural and magnetic properties of nano crystalline Ni0.6Co0.2Cu0.2Fe2O4(NCCFO) thin film
S. Kumar, Birender Singh, G. S. Arya, R. K. Kotnala, N. S. Negi, AIP Conference Proceedings 1661, 070006, 2015Room temperature structural and electrical properties of barium calcium titanate (BCT) thin films
Birender Singh, S Kumar, GS Arya, NS Negi, AIP Conference Proceedings 1661, 060005, 2015Google Sites
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