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- Sungkyunkwan UniversityKR458 papers
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29 papers · 1 filter
Possible Bose-Einstein condensation of magnons in a S = 5/2 honeycomb lattice
J. Khatua, S. M. Kumawat, G. Senthil Murugan +5
Quantum magnets offer a unique platform for exploring exotic quantum phases and quantum phase transitions through external magnetic fields. A prominent example is the field-induced…
Spin dynamics and 1/3 magnetization plateau in a coupled distorted diamond chain compound K2Cu3(MoO4)4
G. Senthil Murugan, J. Khatua, Suyoung Kim +11
We investigate magnetic properties of the = 1/2 compound KCu(MoO) by combining magnetic susceptibility, magnetization, specific heat, and electron spin…
Spin-orbit entangled moments and magnetic exchange interactions in cobalt-based honeycomb magnets BaCo(O) ( = P, As, Sb)
Subhasis Samanta, Fabrizio Cossu, Heung-Sik Kim
Co-based honeycomb magnets have been actively studied recently for the potential realization of emergent quantum magnetism therein such as the Kitaev spin liquid. Here we employ de…
Stacking of charge-density waves in 2H-NbSe bilayers
Fabrizio Cossu, Dhani Nafday, Krisztian Palotás +4
We employ ab-initio electronic structure calculations to investigate the charge-density waves and periodic lattice distortions in bilayer 2H-NbSe. We demonstrate that the verti…
Electrically Tunable Spin Exchange Splitting in Graphene Hybrid Heterostructure
Dongwon Shin, Hyeonbeom Kim, Sung Ju Hong +6
Graphene, with spin and valley degrees of freedom, fosters unexpected physical and chemical properties for the realization of next-generation quantum devices. However, the spin sym…
Suppression of Antiferromagnetic Order by Strain in Honeycomb Cobaltate: Implication for Quantum Spin Liquid
Gye-Hyeon Kim, Miju Park, Uksam Choi +8
Recently, layered honeycomb cobaltates have been predicted as a new promising system for realizing the Kitaev quantum spin liquid, a many-body quantum entangled ground state charac…