81 citations · 212 across the 26 of their papers we have counts for
27 papers
Magneto-transport and electronic structure studies of ternary antimonides, LaSb ( = Cu, Ag)
Himanshu Pant, Neeraj Bhatt, Deepali Sharma +7
We investigate Sb square net-based Dirac semimetallic ternary antimonides LaSb ( = Cu, Ag) using magnetotransport and photoelectron spectroscopic studies, complemented by…
Unveiling the interplay of magnetic order and electronic band structure on the evolution of anomalous Hall effect in MnPtGa single crystal
Gourav Dwari, Shovan Dan, Bishal Baran Maity +8
The recent studies on the anomalous Hall effect (AHE) have revealed an intrinsic relationship between the topological band structure and the experimentally observed transverse cond…
Linear magnetoresistance, anomalous Hall effect and de Haas-van Alphen oscillations in antiferromagnetic SmAgGe single crystals
Kanchan Bala, Rahul Verma, Shovan Dan +4
Understanding the interplay among magnetism, electron correlations, and complex electronic structures in rare-earth materials requires both high-quality single crystals and systema…
Probing the superconducting gap structure of ScRuSi via SR and first-principles calculations
K. Panda, A. Bhattacharyya, P. N. Ferreira +6
In this study, we present a thorough investigation into the superconducting state of the ruthenium-based ternary equiatomic compound ScRuSi. Our analysis combines experimental tech…
Pick-up and assembling of chemically sensitive van der Waals heterostructures using dry cryogenic exfoliation
Vilas Patil, Sanat Ghosh, Amit Basu +9
Assembling atomic layers of van der Waals materials (vdW) combines the physics of two materials, offering opportunities for novel functional devices. Realization of this has been p…
Evidence of electron correlation induced kink in Dirac bands in a non-symmorphic Kondo lattice system, CeAgSb2
Sawani Datta, Khadiza Ali, Rahul Verma +4
We study the behavior of Dirac fermions in the presence of electron correlation in a nonsymmorphic Kondo lattice system, CeAgSb2 employing high-resolution angle-resolved photoemiss…
Ultrafast Carrier Relaxation and Second Harmonic Generation in a Higher-Fold Weyl Fermionic System PtAl
Vikas Saini, Ajinkya Punjal, Utkarsh Kumar Pandey +10
In topological materials, shielding of bulk and surface states by crystalline symmetries has provided hitherto unknown access to electronic states in condensed matter physics. Inte…
Broken time-reversal symmetry in cubic skutterudite-like superconductor YRuGe
A. Kataria, J. A. T. Verezhak, O. Prakash +6
The microscopic properties of superconducting cubic skutterudite-like material YRuGe are investigated using muon spin relaxation and rotation (SR) measurements. Z…
Annealing-induced long-range charge density wave order in magnetic kagome FeGe: fluctuations and disordered structure
Chenfei Shi, Yi Liu, Bishal Baran Maity +18
Charge density wave (CDW) in kagome materials with the geometric frustration is able to carry unconventional characteristics. Recently, a CDW has been observed below the antiferrom…
Inelastic neutron scattering investigation of the crystal field excitations of NdCo
F. de Almeida Passos, G. J. Nilsen, C. E. Patrick +6
We present an inelastic neutron scattering study of the crystal electric field levels in the intermetallic ferrimagnets RECo (RE = Nd and Y). In NdCo, measurements at $…
Complexity in the hybridization physics revealed by depth-resolved photoemission spectroscopy of single crystalline novel Kondo lattice systems, CeCuX (X = As/Sb)
Sawani Datta, Ram Prakash Pandeya, Arka Bikash Dey +6
We investigate the electronic structure of a novel Kondo lattice system CeCuX2 (X = As/Sb) employing high resolution depth-resolved photoemission spectroscopy of high quality singl…
Non-Conventional Critical Behavior and Q-dependent Electron-Phonon Coupling Induced Phonon Softening in the CDW Superconductor LaPt2Si2
Elisabetta Nocerino, Uwe Stuhr, Irene San Lorenzo +12
This paper reports the first experimental observation of phonons and their softening on single crystalline LaPtSi via inelastic neutron scattering. From the temperature dep…
Evidence of The Anomalous Fluctuating Magnetic State by Pressure Driven 4f Valence Change in EuNiGe
K. Chen, C. Luo, Y. Zhao F. Baudelet +5
In rare-earth compounds with valence fluctuation, the proximity of the 4f level to the Fermi energy leads to instabilities of the charge configuration and the magnetic moment. Here…
Coexistence of phononic Weyl, nodal line, and threefold excitations in chalcopyrite CdGeAs and associated thermoelectric properties
Vikas Saini, Bikash Patra, Bahadur Singh +1
Realization of topologically protected quantum states leads to unprecedented opportunities for fundamental science and device applications. Here, we demonstrate the coexistence of…
Time-reversal symmetry breaking in superconducting low-carrier-density quasi-skutterudite Lu3Os4Ge13
A. Kataria, J. A. T. Verezhak, O. Prakash +6
The complex structure of the Remeika phases, the intriguing quantum states they display, and their low carrier concentrations are a strong motivation to study the nature of their s…
High-temperature Josephson diode
Sanat Ghosh, Vilas Patil, Amit Basu +8
Symmetry plays a critical role in determining various properties of a material. Semiconducting p-n junction diode exemplifies the engineered skew electronic response and is at the…
Analysis of the unconventional chiral fermions in a non-centrosymmetric chiral crystal
Vikas Saini, Souvik Sasmal, Ruta Kulkarni +2
Symmetry-protected non-trivial states in chiral topological materials hold immense potential for fundamental science and technological advances. Here, we report electrical transpor…
Giant spectral renormalization and complex hybridization physics in a Kondo lattice system, CeCuSb2
Sawani Datta, Ram Prakash Pandeya, Arka Bikash Dey +6
We investigate the electronic structure of a Kondo lattice system, CeCuSb2 exhibiting significant mass enhancement and Kondo-type behavior. We observe multiple features in the hard…
Solid-like to Liquid-like Behavior of Cu Diffusion in Superionic Cu2X (X=S, Se): An Inelastic Neutron Scattering and Ab-Initio Molecular Dynamics Investigation
Sajan Kumar, M. K. Gupta, Prabhatasree Goel +5
Cu2Se and Cu2S are excellent model systems of superionic conductors with large diffusion coefficients that have been reported to exhibit different solid-liquid-like Cu-ion diffusio…
Weak antilocalization and Shubnikov-de Haas oscillations in CaCuSb single crystal
Souvik Sasmal, Vikas Saini, Nicolas Bruyant +5
Quantum oscillations in both linear and Hall resistivities and weak antilocalization (WAL) are barely observed in bulk single crystals. Here we report the transport properties of a…
Nanoscale devices with superconducting electrodes to locally channel current in 3D Weyl semimetals
Biswajit Datta, Jaykumar Vaidya, Subhamoy Ghatak +5
We report on the fabrication of nano-devices on the \hkl[-1 0 1] surface of a Weyl semimetal, a macroscopic crystal of TaAs, and low-temperature transport measurements. We can impl…
Emergence of well screened states in a superconducting material of the CaFeAs family
Ram Prakash Pandeya, Anup Pradhan Sakhya, Sawani Datta +10
Coupling among conduction electrons (e.g. Zhang-Rice singlet) are often manifested in the core level spectra of exotic materials such as cuprate superconductors, manganites, etc. T…
Behavior of gapped and ungapped Dirac cones in an antiferromagnetic topological metal, SmBi
Anup Pradhan Sakhya, Shiv Kumar, Arindam Pramanik +10
We studied the behavior of nontrivial Dirac fermion states in an antiferromagnetic metal SmBi using angle-resolved photoemission spectroscopy (ARPES). The experimental results exhi…
Anomalies in the temperature evolution of the Dirac states in a topological crystalline insulator SnTe
Ayanesh Maiti, Ram Prakash Pandeya, Bahadur Singh +3
Discovery of topologically protected surface states, believed to be immune to weak disorder and thermal effects, opened up a new avenue to reveal exotic fundamental science and adv…