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9 papers · 2 filters
Enhanced coercivity and emergence of spin cluster glass state in 2D ferromagnetic material Fe3GeTe2
Satyabrata Bera, Suman Kalyan Pradhan, Riju Pal +8
Two-dimensional (2D) van der Waals (vdW) magnetic materials with high coercivity and high are desired for spintronics and memory storage applications. FeGeTe (…
Proximate Dirac spin liquid in honeycomb lattice - XXZ model: Numerical study and application to cobaltates
Anjishnu Bose, Manodip Routh, Sreekar Voleti +4
Recent theoretical and experimental work suggest that the honeycomb cobaltates, initially proposed as candidate Kitaev quantum magnets, are in fact described by a pseudospin-…
Probing octupolar hidden order via Janus impurities
Sreekar Voleti, Koushik Pradhan, Subhro Bhattacharjee +2
Quantum materials with non-Kramers doublets are a fascinating venue to realize multipolar hidden orders. Impurity probes which break point group symmetries, such as implanted muons…
Emergent many-body composite excitations of interacting spin-1/2 trimers
A. K. Bera, S. M. Yusuf, S. K. Saha +4
Understanding exotic forms of magnetism in quantum spin systems is an emergent topic of modern condensed matter physics. Quantum dynamics can be described by particle-like carriers…
Weak antilocalization effect and triply degenerate state in Cu-doped CaAuAs
Sudip Malick, Arup Ghosh, Chanchal K. Barman +4
The effect of 50\% Cu doping at the Au site in the topological Dirac semimetal CaAuAs is investigated through electronic band structure calculations, electrical resistivity, and ma…
Spin Peierls transition of and extended models with ferromagnetic .Sublattice dimerization and thermodynamics of zigzag chains in -TeVO
Manodip Routh, Sudip Kumar Saha, Manoranjan Kumar +1
The spin chain with ferromagnetic exchange between first neighbors and antiferromagnetic between second neighbors supports two spin-Peierls (SP) instabili…