Birla Institute of Technology, Mesra
Dr. Rajyavardhan Ray
Assistant Professor, Physics
Ph.D. 		Contact Address
Permanent Address -
Local Address DH 1/20, Birla Institute of Technology Mesra, Ranchi, Jharkhand, India - 835215
Phone (Office) N/A
Phone Residence N/A
Email Id r.ray@bitmesra.ac.in
Joined Institute on : 12-Dec-2021
  Professional Background
  • [Mar 2019 – Oct 2021] Leibniz Institute for Solid State and Materials Research (IFW) Dresden, Germany
  • [Nov 2015 – Feb 2019] Dresden Center for Computational Materials Science (DCMS), TU Dresden,  Germany
  • [Nov 2013 – Oct 2015] Indian Institute of Science Education & Research (IISER) Mohali, India
  Research Areas
 
  • Topological quantum materials
  • Strongly correlated systems
  • Molecular magnetism
  • Non-linear optical response in solids
  • Electronic structure calculations
  • Monte Carlo simulations
  Publications
 

Journal papers

2022

  • Orbital entangled antiferromagnetoc order and spin-orbit-distortion exciton in Sr2VO4. arXiv: 2202.11971 .

  • Evolution of electronic and magnetic properties of Sr2IrO4 under strain.  NPJ Quantum Materials 7, 90 (2022).

  • Multiple low-energy excitons and optical response of d0 double perovskite Ba2ScTaO6. Physica B: Condensed Matter 637, 413856 (2022).

  • ???????Intercalant-mediated Kitaev exchange in Ag3LiIr2O6 . Physical Review Research 4, 033025 (2022).

  • Extended high-harmonic spectra through cascade resonance in confined quantum systems. Physical Review Research 4, 033026 (2022).

  • Tunable chirality of noncentrosymmetric magnetic Weyl semimetals in rare-earth carbides. NPJ Quantum Materials 7, 19 (2022).

  • Metathesis as an alternative synthesis route to layered sulfides A(LiZn)S2 (A= alkali-metal) with unexpected colors. New Journal of Chemistry 46, 4900 (2022).

  • Bi12Rh3Cu2I5: A 3D Weak Topological Insulator with Monolayer Spacers and Independent Transport Channels. Accepted for publication in Physica Status Solidi B: Basic Solid State Physics 259, 2100447 (2022).

2021

  • Revised crystal structure and electronic properties of high-dielectric Ba(FeNb)O3 ceramics. Jour. Appl. Phys. 130, 214101 (2021).

  • Finite temperature fluctuation-induced order and responses in magnetic topological insulators. Phys. Rev. Research (Letters) 3, L032014 (2021).

  • Strongly anisotropic spin dynamics in magnetic topological insulators. Phys. Rev. B (Letters) 103, L180403 (2021).

 

2020

  • Discovery, Crystal Growth, and Characterization of Garnet Eu2 PbSb2 Zn3 O12. Eur. Jour. of Inorg. Chem. 2020, 2512 (2020).

  • First-principles calculation of shift current in chalcopyrite semiconductor ZnSnP2. Phys. Rev. Mater. 4, 064602 (2020).

  • Indole moiety induced biological potency in pseudo- peptides derived from 2-amino-2-(1H-indole-2-yl) based acetamides: Chemical synthesis, in vitro anticancer activity and theoretical studies. Journal of Molecular Structure 1217, 128445 (2020).

  • Insights in Magnetodynamics from a Simple Two-Level Model, chemrXiv 12246194 (2020) DOI: 10.26434/chemrxiv.12246194.v1

 

2019

  • Topological electronic structure and intrinsic magnetization in MnBi4Te7: A Bi2Te3 derivative with periodic Mn sublattice. Phys. Rev. X 9, 041065 (2019).

  • Large off-diagonal exchange couplings and spin liquid states in C3 -symmetric iridates. Phys. Rev. B 100, 144422 (2019).

  • Influence of lattice termination on the edge states of the quantum spin Hall insulator monolayer 1T' -WTe2.  Phys. Rev. Mater. 3, 054206 (2019).

  • Air-stable redox-active nanomagnets with lanthanide spins radical-bridged by a metal-metal bond. Nature Commun. 10, 571 (2019).

 

2018

  • Strong Effect of Hydrogen Order on Magnetic Kitaev Interactions in H3 LiIr2 O6. Phys. Rev. Lett. 121, 197203 (2018).

  • Engineering Kitaev exchange in stacked iridate layers: impact of inter-layer species on in-plane magnetism. Chem. Sci. 10, 1866 (2018).

  • Influence of the multiplet structure on the photoemission spectra of spin-orbit driven Mott insulators: Application to Sr2IrO4. Phys. Rev. B 98, 064422 (2018).

 

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