31 citations · 166 across the 17 of their papers we have counts for
17 papers
Dual Charge-Density-Waves in Two-dimensional DyTe3 and Their Distinct Impacts on Magneto-Transport Properties
Shuvankar Gupta, Yasemin Ozbek, Olajumoke Oluwatobiloba Emmanuel +4
Charge-density-waves (CDWs) are macroscopic quantum states defined by periodic modulations in electronic charge density coupled with lattice distortions. Despite significant resear…
Angular-Dependent Thermal Hall Effect in a Honeycomb Magnet: Disentangling Kitaev and Dzyaloshinskii-Moriya Interactions
Shuvankar Gupta, Olajumoke Oluwatobiloba Emmanuel, Pengpeng Zhang +1
Layered honeycomb magnets have garnered significant attention recently for their exotic quantum phenomena due to the potential anisotropic, bond-dependent Kitaev interactions. Howe…
Large Anomalous and Topological Hall Effect and Nernst Effect in a Dirac Kagome Magnet Fe3Ge
Chunqiang Xu, Shuvankar Gupta, Hengxin Tan +9
The search for kagome magnets with unconventional magnetic and electronic properties has gained significant attention in recent years. We report the magnetic, electronic, and therm…
ErMnSn: A Promising Kagome Antiferromagnetic Candidate for Room-Temperature Nernst Effect-based thermoelectrics
Olajumoke Oluwatobiloba Emmanuel, Shuvankar Gupta, Xianglin Ke
The Nernst effect, the generation of a transverse electric voltage in the presence of longitudinal thermal gradient, has garnered significant attention in the realm of magnetic top…
Giant Nernst Angle in Self-Intercalated van der Waals Magnet CrTe
Shuvankar Gupta, Olajumoke Oluwatobiloba Emmanuel, Yasemin Ozbek +4
The discovery of two-dimensional van der Waals (vdW) magnetic materials has propelled advancements in technological devices. The Nernst effect, which generates a transverse electri…
Restructuring disorder: Transformation from the antiferromagnetic order in Fe2VSi to the ferromagnetic state in FeRuVSi by substitution of a non-magnetic element
Shuvankar Gupta, Sudip Chakraborty, Celine Barreteau +4
The delicate nature of the half-metallic ferromagnetic (HMF) property in Heusler alloys is often compromised by inherent structural disorder within the systems. Fe2VSi is a prime e…
Randomness in atomic disorder and consequent squandering of spin-polarization in a ferromagnetically fragile quaternary Heusler alloy FeRuCrSi
Shuvankar Gupta, Sudip Chakraborty, Vidha Bhasin +7
RuFeCrSi ( 0 x 1) system is theoretically predicted to be one of the very few known examples of robust half-metallic ferromagnet with 100\% spin polarization. Si…
Does carrier localization affect the anomalous Hall effect?
Prasanta Chowdhury, Mohamad Numan, Shuvankar Gupta +3
The effect of carrier localization due to electron-electron interaction in anomalous Hall effect is elusive and there are contradictory results in the literature. To address the is…
Comparative study of Kondo effect in Vanadium dichalcogenides VX (X=Se & Te)
Indrani Kar, Susanta Ghosh, Shuvankar Gupta +2
We report on the electrical transport, magnetotransport, and magnetic properties studies on the transition metal dichalcogenides VSe and VTe and draw a comprehensive compar…
Origin of magnetic ordering in half-Heusler RuMnGa
Sudip Chakraborty, Shuvankar Gupta, Santanu Pakhira +6
The half-Heusler alloy RuMnGa having valence electron count (VEC) 18 has recently been theoretically proposed to exhibit compensated ferrimagnetic (CFiM) character instead of the e…
Large saturation moment and high ferromagnetic transition temperature in a structurally disordered inverse Heusler alloy Fe2RuGe
Sudip Chakraborty, Shuvankar Gupta, Vidha Bhasin +10
We report the successful synthesis of a new 4 based polycrystalline inverse Heusler alloy FeRuGe by an arc melting process and have studied in detail its structural, magneti…
Experimental observation of spin glass state in highly disordered quaternary Heusler alloy FeRuMnGa
Shuvankar Gupta, Sudip Chakraborty, Santanu Pakhira +8
The realization of spin-glass (S-G) state in Heusler alloys is very rare despite the presence of inherent structural and elemental disorder in those compounds. Although a few half…
4d-element induced improvement of structural disorder and development of weakly re-entrant spin-glass behaviour in NiRuMnSn
Shuvankar Gupta, Sudip Chakraborty, Vidha Bhasin +12
The pursuit of efficient spin-polarization in quaternary Heusler alloys with the general formula (where X, , and Y are transition metals and Z is a p-block element), ha…
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…