Magnetocaloric materials with multiple instabilities

Y Taguchi, H Sakai, D Choudhury - Advanced Materials, 2017 - Wiley Online Library
The magnetocaloric effect is a well‐known phenomenon where the temperature of a
magnetic material varies upon application or removal of a magnetic field. This effect is …

Manipulating Spin‐Lattice Coupling in Layered Magnetic Topological Insulator Heterostructure via Interface Engineering

S Maity, D Dey, A Ghosh, S Masanta… - Advanced Functional …, 2024 - Wiley Online Library
Induced magnetic order in a topological insulator (TI) can be realized either by depositing
magnetic adatoms on the surface of a TI or engineering the interface with epitaxial thin film …

Complete description of the magnetic ground state in spinel vanadates

J Krishna, N Singh, S Shallcross, JK Dewhurst… - Physical Review B, 2019 - APS
We explore a source-free local spin density approximation (LSDA)+ U functional within
density functional theory for its capabilities in describing noncollinear spin textures; …

Do electron distributions with orbital degree of freedom exhibit anisotropy?

T Manjo, S Kitou, N Katayama, S Nakamura… - Materials …, 2022 - pubs.rsc.org
Orbital degrees of freedom appear in partially filled degenerate orbitals and are responsible
for a variety of physical properties. Although many methods for directly observing orbital …

Possible routes to superconductivity in the surface layers of V-doped through multiple charge transfers and suppression of Jahn-Teller activity

D Dey, T Maitra, A Taraphder - Physical Review B, 2023 - APS
Superconductivity in the family of spinel oxides is very rare owing to their robust Mott-
insulating nature. About half a century ago, LiTi 2 O 4 became the first reported spinel …

Tetramer orbital ordering and lattice chirality in

A Rahaman, M Chakraborty, T Paramanik, RK Maurya… - Physical Review B, 2019 - APS
The presence of orbital degree of freedom in strongly correlated systems leads to unusual
orderings. In this paper we use a combination of density-functional theory calculations and …

Phonon dispersion, Raman spectra, and evidence for spin-phonon coupling in from first principles

D Dey, T Maitra, UV Waghmare, A Taraphder - Physical Review B, 2020 - APS
MnV 2 O 4 in the spinel structure is known to exhibit coupled orbital and spin ordering and
its Raman spectra show interesting anomalies in its low-temperature phase. With a goal to …

Proximitized spin-phonon coupling in topological insulator due to two-dimensional antiferromagnet

S Maity, D Dey, A Ghosh, S Masanta, BK De… - arXiv preprint arXiv …, 2022 - arxiv.org
Induced magnetic order in a topological insulator (TI) can be realized either by depositing
magnetic adatoms on the surface of a TI or engineering the interface with epitaxial thin film …

Successive orbital ordering transitions in FeV2O4 from first-principles calculation

W Xie, X Xing, Z Cao - Journal of Applied Physics, 2019 - pubs.aip.org
The interactions among spin, orbital, and lattice are essential to reveal the complicated
phase transitions in FeV 2 O 4, a spinel with spin and orbital degrees of freedom both at Fe …

Local electronic and magnetic properties of ferro-orbital-ordered FeV2O4

J Okabayashi, S Miyasaka, M Takahashi… - Japanese Journal of …, 2018 - iopscience.iop.org
Local magnetic structures of spinel-type FeV 2 O 4 were investigated using X-ray absorption
and X-ray magnetic circular dichroism (XMCD) spectroscopies for V and Fe sites and …