50 citations · 369 across the 22 of their papers we have counts for
11 papers · 1 filter
High spin-polarization in a disordered novel quaternary Heusler alloy FeMnVGa
Shuvankar Gupta, Sudip Chakraborty, Vidha Bhasin +10
In this work, we report the successful synthesis of a Fe-based novel half-metallic quaternary Heusler alloy FeMnVGa and its structural, magnetic and transport properties probed thr…
Rare observation of spin-gapless semiconducting characteristics and related band topology of quaternary Heusler alloy CoFeMnSn
Shuvankar Gupta, Jyotirmoy Sau, Manoranjan Kumar +1
In this paper, we report the theoretical investigation and experimental realization of a new spin-gapless semiconductor (SGSs) compound CoFeMnSn belonging to the family of quaterna…
Magnetic frustration driven by conduction carrier blocking in NdCoSi
Mily Kundu, Santanu Pakhira, Renu Choudhary +6
The intermetallic compound NdCoSi having a triangular lattice could be synthesized in single-phase only with defect crystal structure. Investigation through d…
Coexisting structural disorder and robust spin-polarization in half-metallic FeMnVAl
Shuvankar Gupta, Sudip Chakraborty, Santanu Pakhira +6
Half-metallic ferromagnets (HMF) are on one of the most promising materials in the field of spintronics due to their unique band structure consisting of one spin sub-band having me…
Superparamagnetic and metal-like Ru2TiGe: a propitious thermoelectric material
Sanchayita Mondal, Krishanu Ghosh, R. Ranganathan +2
We report a study of structural, magnetic, heat capacity and thermoelectric properties of a Rubased Heusler alloy, Ru2TiGe. The magnetic measurements reveal that at higher temperat…
Experimental and theoretical demonstration of negative magnetization induced by particle size reduction in nano-form GdCaMnO
Papri Dasgupta, Sanjukta Paul, S. Kumar +2
We report a pervasive phenomenon of gradual emergence of negative magnetization in typical MnO orthorhombic perovskite manganites in nano form (with being…
Instability and evolution of the magnetic ground state in metallic perovskites GdRhCB
Abhishek Pandey, A. K. Singh, Shovan Dan +7
We report investigations of the structural, magnetic, electrical transport and thermal properties of five compositions of the metallic perovskite GdRhCB ($0.00 \le…
Ferromagnetically correlated clusters in semi-metallic Ru2NbAl Heusler alloy
Sanchayita Mondal, Chandan Mazumdar, R. Ranganathan +4
In this work, we report the structural, magnetic and electrical and thermal transport properties of the Heusler-type alloy Ru2NbAl. From the detailed analysis of magnetization data…
Oscillating magnetoresistance due to fragile spin structure in metallic GdPd
Abhishek Pandey, Chandan Mazumdar, R. Ranganathan +1
Studies on the phenomenon of magnetoresistance (MR) have produced intriguing and application-oriented outcomes for decades--colossal MR, giant MR and recently discovered extremely…
Interplay between Co-3d and Ce-4f magnetism in CeCoAsO
Rajib Sarkar, Anton Jesche, Cornelius Krellner +4
We have investigated the ground state properties of polycrystalline CeCoAsO by means of magnetization, specific heat and solid state NMR. Susceptibility and specific-heat measureme…
Metal-insulator Crossover Behavior at the Surface of NiS_2
D. D. Sarma, S. R. Krishnakumar, E. Weschke +8
We have performed a detailed high-resolution electron spectroscopic investigation of NiS and related Se-substituted compounds NiSSe, which are known to be gapped in…