activity
20042026
most citedDirect observation of the spin texture in strongly correlated SmB6 as evidence of the topological Kondo insulator

224 citations · 1.5k across the 54 of their papers we have counts for

collaborators

55 papers

cond-mat.mtrl-sci2026

Disentangling octahedral distortion and symmetry breaking in the ordered double perovskite SrLaCoNbO

Ajay Kumar, Clemens Ulrich, Yaroslav Mudryk +1

We report a comprehensive high temperature structural investigation of the B-site ordered double perovskite SrLaCoNbO using combined Raman spectroscopy and x-ray diffraction (X…

cond-mat.str-el2026

Raman spectroscopic signature of Kitaev magnetism and complex spin-lattice coupling in S = 1/2 antiferromagnet SrLaCoNbO double perovskite

Ajay Kumar, Clemens Ulrich, Rajendra S. Dhaka

We report a detailed analysis of temperature-dependent Raman spectroscopy and Co -edge extended x-ray absorption fine structure (EXAFS) for a pseudospin- insulati…

cond-mat.mtrl-sci2023

Dielectric behavior and impedance spectroscopy of Niobium substituted Lanthanum based orthovanadates at high temperatures

Ashok Kumar, Vikas N. Thakur, Ajay Kumar +3

We present the detailed study of the temperature dependent dielectric properties, impedance spectroscopy and electrical conductivity of LaVNbO ( 0-1) samples pr…

cond-mat.mtrl-sci2023

Complex magnetic interactions and critical behavior analysis in quaternary CoFeVMnSi Heusler alloy

Guru Dutt Gupt, P. D. Babu, R. S. Dhaka

We investigate the magnetic behavior and critical exponents of quaternary CoFeVMnSi Heusler alloy to understand the interactions across the Curie temperature ($T_{\…

cond-mat.mtrl-sci2023

Structural, vibrational and electronic properties of Nb substituted orthovanadates LaVNbO

Ashok Kumar, Anurag Sharma, Madhav Sharma +3

We investigate the structural, vibrational, morphological, and electronic properties of Nb substituted orthovanadate LaVNbO samples prepared by the solid-state reac…

cond-mat.str-el2023

Effect of the growth orientation on the physical properties of SrCoNbO thin films

Ajay Kumar, Ramcharan Meena, M. Miryala +2

We study the effect of the growth orientation on the structural, electronic, and hence transport properties of SrCoNbO thin films grown on the orthorhombic NGO(100) and cub…