42 citations · 175 across the 13 of their papers we have counts for
13 papers
First principles study of bandgap tuning in GePbSe
Himanshu Lohani
Narrow bandgap and its tuning are important aspects of materials for their technological applications. In this context group IV VI semiconductors are one of the interesting candida…
Observation of Dirac-like surface state bands on the top surface of BiSe
H. Lohani, K. Majhi, R. Ganesan +5
Two quintuple layers of strong topological insulator Bi2Se3 are coupled by a Bi bilayer in BiSe crystal. We investigated its electronic structure using angle resolved photoelectron…
Valence band electronic structure of Nb2Pd1.2Se5 and Nb2Pd0.95S5 superconductors
H. Lohani, P. Mishra, R. Goyal +2
We present a comparative study of our valence band photoemission results on Nb2Pd1.2Se5 and Nb2Pd0.95S5 superconductors which is supported by our DFT based electronic structure cal…
Valence band electronic structure of Pd based ternary chalcogenide superconductors
H. Lohani, P. Mishra, R. Goyal +2
We present a comparative study of the valence band electronic structure of Pd based ternary chalcogenide superconductors Nb2Pd0.95S5, Ta2Pd0.97S6 and Ta2Pd0.97Te6 using experimenta…
Investigation of correlation effects in FeSe and FeTe by LDA + U method
H. Lohani, P. Mishra, B. R. Sekhar
Correlation effects are observed strong in Iron chalcogenides superconductors by experimental and theoretical investigations. We present a comparative study of the influence of Cou…
Band Structure of Topological Insulator BiSbTe1.25Se1.75
H. Lohani, P. Mishra, A. Banerjee +6
We present our angle resolved photoelectron spectroscopy (ARPES) and density functional theory results on quaternary topological insulator (TI) BiSbTe1.25Se1.75 (BSTS) confirming t…
Fermi surface and band structure of BiPd from ARPES studies
H. Lohani, P. Mishra, Anurag Gupta +2
We present a detailed electronic structure study of the non-centrosymmetric superconductor BiPd based on our angle resolved photoemission spectroscopy (ARPES) measurements and Dens…
Failed excitonic quantum phase transition in TaNi(SeS)
Pavel A. Volkov, Mai Ye, Himanshu Lohani +3
We study the electronic phase diagram of the excitonic insulator candidates TaNi(SeS) [x=0, ... ,1] using Raman spectroscopy. Critical excitonic fluctuations ar…
Lattice dynamics of the excitonic insulator TaNi(SeS)
Mai Ye, Pavel A. Volkov, Himanshu Lohani +4
Recently, we employed electronic polarization-resolved Raman spectroscopy to reveal the strongly correlated excitonic insulator (EI) nature of Ta2NiSe5, Volkov et al. [arXiv:2007.0…
Critical charge fluctuations and emergent coherence in a strongly correlated excitonic insulator
Pavel A. Volkov, Mai Ye, Himanshu Lohani +3
Excitonic insulator is a coherent electronic phase that results from the formation of a macroscopic population of bound particle-hole pairs - excitons. With only a few candidate ma…
Band inversion and topology of the bulk electronic structure in FeSeTe
Himanshu Lohani, Tamaghna Hazra, Amit Ribak +5
FeSeTe (FeSeTe) has recently emerged as a promising candidate to host topological superconductivity, with a Dirac surface state and signatures of Majorana bou…
Emergence of a weak topological insulator from the BiSe family and the observation of weak anti-localization
Kunjalata Majhi, Koushik Pal, Himanshu Lohani +7
The discovery of strong topological insulators led to enormous activity in condensed matter physics and the discovery of new types of topological materials. Bisumth based chalcogen…
Photoemission studies of the near Fermi level spectral weight shifts in FeSe1-xTex superconductor
P. Mishra, H. Lohani, R. A. Zargar +2
Our valence band photoelectron spectroscopic studies show a temperature dependent spectral weight transfer near the Fermi level in the Fe-based superconductor FeSe1-xTex. Using the…