Kwang-Yong Choi

Professor

Sungkyunkwan University - Natural Sciences Campus

South Korea

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Professor Kwang-Yong Choi is a faculty member at Sungkyunkwan University - Natural Sciences Campus in South Korea. His research primarily focuses on magnetism, spin dynamics, and magnetoelectric coupling, as evidenced by his recent articles examining various materials and their magnetic properties. He investigates phenomena such as the insulator-to-metal transition and competing interactions in honeycomb antiferromagnets. His contributions to the field are recognized through studies on spin dynamics and quantum critical endpoints in complex magnetic systems.

Articles (30)

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2025

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2022

Collaborators (9)

minfeng Lu

Assistant Professor

Chung-Ang University

SOUTH KOREA

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Dirk Wulferding

Prof.

Sejong University

SOUTH KOREA

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Heung-Sik Kim

Assistant Professor

Changwon National University

SOUTH KOREA

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Bella Lake

Head of Institute

Helmholtz-Zentrum Berlin für Materialien und Energie

GERMANY

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jungseek hwang

Professor

Sungkyunkwan University

SOUTH KOREA

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Minoru Yamashita

Associate Professor

University of Tokyo

JAPAN

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Takayoshi YAMANAKA

Specially Appointed Assistant Professor

Tohoku University

JAPAN

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Rüdiger Klingeler

GERMANY

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Sergei Zherlitsyn

Head of division

Helmholtz-Zentrum Dresden-Rossendorf

GERMANY

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Kwang-Yong Choi

Research Interests

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Articles (30)

Two-stage evolution of magnetic correlations in the spiral spin liquid material Ca10Cr7O28

Magnetoelectric coupling in solid solution of Ni3-xCoxTeO6 (0 ≤ x ≤ 2.85)

Competing interactions and the effects of uniaxial out-of-plane perturbations in the honeycomb antiferromagnet Na2Co2TeO6

Spin waves in Na2Co2TeO6 studied by high-frequency/high-field ESR: Successes and failures of the triple- q model

Evolution of phonon, magnetism, and electronic excitations across the insulator-to-metal transition in Ru( Br1−xIx)3

Thermal and field evolution of spin dynamics in the alternating Heisenberg Jeff=12 spin chain Sr2Co(SeO3)3

Anomalous spin dynamics and excitations of the quasizigzag chain compound AgCrP2S6

Field- and temperature-driven magnetic excitations in rouaite Cu2(OH)3NO3

Optical Probe of Magnetic Ordering Structure and Spin‐Entangled Excitons in Mn‐Substituted NiPS3

Tuning magnetic correlations in s=1/2 spin ladder Ba2CuTe1−xWxO6 through site-selective cation substitution

Dirac spinons intermingled with singlet states in the random kagome antiferromagnet YCu3(OD)6+xBr3−x ( x=0.5 )

Interplay between magnetic and lattice excitations and emergent multiple phase transitions in MnPSe3−xSx

Magnetic order induced by magnetic impurities in the Haldane chain compound SrNi2V2O8

Emergence of flat bands and ferromagnetic fluctuations via orbital-selective electron correlations in Mn-based kagome metal

Synthesis, Crystal Structure, and Magnetism in Fluoride Sulfates, A2VF3(SO4) (A = K, Rb, Cs)

Magnetism and spin dynamics of the S = 32 frustrated trillium lattice compound K2CrTi(PO4)3

Fractionalized excitations probed by ultrasound

Effects of Na deficiency on spin dynamics in the Mott insulating Na4−xIr3O8

Magnetism and field-induced effects in the S=52 honeycomb lattice antiferromagnet FeP3SiO11

Signatures of a quantum critical endpoint in the Kitaev candidate Na2Co2TeO6

Cluster-glass freezing and antiferromagnetic phase transitions in corundum structure Mg3−Co TeO6

Weak-coupling to strong-coupling quantum criticality crossover in a Kitaev quantum spin liquid α-RuCl3

Anomalous spin dynamics of the S=32 kagome ferromagnet Li9Cr3(P2O7)3(PO4)2

Crystal growth and magnetic properties of the coupled alternating S=1 spin chain Sr2Ni(SeO3)3

Cu3Te2O5(OH)4: A Frustrated Two-Dimensional Quantum “Magnetic Raft” as a Possible Pathway to a Spin Liquid

Coexistence of random singlets and disordered Kitaev spin liquid in H3LiIr2O6

Spin-singlet ground state of the coupled Jeff = 12 alternating chain system Sr2Co(SeO3)3

Planar thermal Hall effects in the Kitaev spin liquid candidate Na2Co2TeO6

Magnetic and spin-orbit exciton excitations in the honeycomb lattice compound RuBr3

Noncubic local distortions and spin-orbit excitons in K2IrCl6

Collaborators (9)

minfeng Lu

Dirk Wulferding

Heung-Sik Kim

Bella Lake

jungseek hwang

Minoru Yamashita

Takayoshi YAMANAKA

Rüdiger Klingeler

Sergei Zherlitsyn

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