278 citations · 789 across the 18 of their papers we have counts for
18 papers
Unravelling the origin of the peculiar transition in the magnetically ordered phase of the Weyl semimetal Co3Sn2S2
Ivica Zivkovic, Ravi Yadav, Jian-Rui Soh +4
Recent discovery of topologically non-trivial behavior in Co3Sn2S2 stimulated a notable interest in this itinerant ferromagnet (Tc = 174 K). The exact magnetic state remains ambigu…
Electronic excitations and spin interactions in chromium trihalides from embedded many-body wavefunctions
Ravi Yadav, Lei Xu, Michele Pizzochero +3
Although chromium trihalides are widely regarded as a promising class of two-dimensional magnets for next-generation devices, an accurate description of their electronic structure…
Light Induced Electron Spin Resonance Properties of van der Waals CrX3 (X = Cl, I) Crystals
S. R. Singamaneni, L. M. Martinez, J. Niklas +5
The research on layered van der Waals (vdW) magnets is rapidly progressing owing to exciting fundamental science and potential applications. In bulk crystal form, CrCl3 is a vdW an…
Magnetic exchange interactions in monolayer CrI from many-body wavefunction calculations
Michele Pizzochero, Ravi Yadav, Oleg V. Yazyev
The marked interplay between the crystalline, electronic, and magnetic structure of atomically thin magnets has been regarded as the key feature for designing next-generation magne…
Spin-reversal energy barriers of 305 K for Fe ions with linear ligand coordination
Lei Xu, Ziba Zangeneh, Ravi Yadav +4
A remarkably large magnetic anisotropy energy of 305 K is computed by quantum chemistry methods for divalent Fe substitutes at Li-ion sites with point-group s…
Highly dispersive magnons with spin-gap like features in the frustrated ferromagnetic S=1/2 chain compound Ca2Y2Cu5O10 detected by inelastic neutron scattering
M. Matsuda, J. Ma, V. O. Garlea +10
We report inelastic neutron scattering experiments in Ca2Y2Cu5O10 and map out the full one magnon dispersion which extends up to a record value of 53 meV for frustrated ferromagnet…
Large off diagonal exchange couplings and spin liquid states in symmetric iridates
Ravi Yadav, Satoshi Nishimoto, Manuel Richter +2
Iridate oxides on a honeycomb lattice are considered promising candidates for realization of quantum spin liquid states. We investigate the magnetic couplings in a structural model…
Superexchange interactions between spin-orbit-coupled ions in oxides with face-sharing ligand octahedra
Lei Xu, Ravi Yadav, Viktor Yushankhai +3
Using ab initio wave-function-based calculations, we provide valuable insights with regard to the magnetic exchange in 5 and 4 oxides with face-sharing ligand octahedra, BaIr…
Strong effect of hydrogen order on magnetic Kitaev interactions in HLiIrO
Ravi Yadav, Rajyavardhan Ray, Mohamed S. Eldeeb +3
Very recently a quantum liquid was reported to form in HLiIrO, an iridate proposed to be a close realization of the Kitaev honeycomb model. To test this assertion we pe…
Pressure-driven collapse of the relativistic electronic ground state in a honeycomb iridate
J. P. Clancy, H. Gretarsson, J. A. Sears +16
The electronic ground state in many iridate materials is described by a complex wave-function in which spin and orbital angular momenta are entangled due to relativistic spin-orbit…
Pressure-tuned magnetic interactions in honeycomb Kitaev materials
Ravi Yadav, Stephan Rachel, Liviu Hozoi +2
A range of honeycomb-lattice compounds has been proposed and investigated in the search for a topological Kitaev spin liquid. However, sizable Heisenberg interactions and additiona…
Pressure-induced dimerization and valence bond crystal formation in the Kitaev-Heisenberg magnet alpha-RuCl3
G. Bastien, G. Garbarino, R. Yadav +17
Magnetization and high-resolution x-ray diffraction measurements of the Kitaev-Heisenberg material alpha-RuCl3 reveal a pressure-induced crystallographic and magnetic phase transit…
Breakdown of magnetic order in the pressurized Kitaev iridate -LiIrO
M. Majumder, R. S. Manna, G. Simutis +14
Temperature-pressure phase diagram of the Kitaev hyperhoneycomb iridate -LiIrO is explored using magnetization, thermal expansion, magnetostriction, and muon spin rotati…
Distinct domain switching in Nd0.05Ce0.95CoIn5 at low and high fields
D. G. Mazzone, R. Yadav, M. Bartkowiak +5
Nd0.05Ce0.95CoIn5 features a magnetic field-driven quantum phase transition that separates two antiferromagnetic phases with an identical magnetic structure inside the superconduct…
Comment on `Oxygen vacancy-induced magnetic moment in edge-sharing CuO chains of LiCuO'
R. O. Kuzian, R. Klingeler, W. E. A. Lorenz +23
In a recent work devoted to the magnetism of LiCuO, Shu et al. [New J. Phys. 19 (2017) 023026] have proposed a "simplified" unfrustrated microscopic model that differs…
Heavy-mass magnetic modes in pyrochlore iridates due to dominant Dzyaloshinskii-Moriya interaction
Ravi Yadav, Manuel Pereiro, Nikolay A. Bogdanov +5
Materials with strong spin-orbit interactions are presently a main target in the search for systems with novel magnetic properties. Magnetic anisotropies can be very large in such…
Spin-orbit excitation energies, anisotropic exchange, and magnetic phases of honeycomb RuCl3
Ravi Yadav, Nikolay A. Bogdanov, Vamshi M. Katukuri +3
Using quantum chemistry calculations we shed fresh light on the electronic structure and magnetic properties of RuCl3, a proposed realization of the honeycomb Kitaev spin model. It…
The vicinity of hyper-honeycomb -Li2IrO3 to a three-dimensional Kitaev spin liquid state
Vamshi M. Katukuri, Ravi Yadav, Liviu Hozoi +2
Due to the combination of a substantial spin-orbit coupling and correlation effects, iridium oxides hold a prominent place in the search for novel quantum states of matter, includi…