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Recent Publications

2024

  1. Frozen disorder, static and fluctuating zigzag order, and possible signatures of Kitaev physics, in torque measurements of α-RuCl3, S. Froude-Powers, Subin Kim, Jacob Gordon, Hae-Young Kee, Young-June Kim, and S.R. Julian, arXiv:2401.05546 (2024).
  2. Re-investigation of Moment Direction in Kitaev Material: α-RuCl3, Subin Kim, Ezekiel Horsley, Christie S. Nelson, Jacob P. C. Ruff, Young-June Kim, arXiv:2403.04176 (2024).
  3. Ultrafast spin dynamics in the proximate quantum spin liquid α-RuCl3, Haochen Zhang, Subin Kim, Young-June Kim, Hae-Young Kee, and Luyi Yang, Phys. Rev. B 110, L081111 (2024).
  4. Field-dependent Magnons in a Honeycomb Antiferromagnet CoTiO3, Bo Yuan, Ezekiel Horsley, M.B. Stone, Nicholas P. Butch, Guang Yong Xu, Guo-Jiun Shu, F.C. Chou, J.P. Clancy, and Young-June Kim, Phys. Rev. B 109, 174440 (2024).
  5. Structural Transition and Magnetic Anisotropy in a-RuCl3, Subin Kim, Ezekiel Horsley, Jacob Ruff, and Young-June Kim, Phys. Rev. B 109, L140101 (2024).
  6. Spin-orbit-lattice entangled state in A2MgReO6 (A = Ca, Sr, Ba) revealed by RIXS, Felix I. Frontini, Graham H.J. Johnstone, Daigorou Hirai, Naoya Iwahara, Pritam Bhattacharyya, Nikolay A. Bogdanov, Liviu Hozoi, Mary H. Upton, Diego M. Casa, and Young-June Kim, Phys. Rev. Lett. 133, 036501 (2024).

2023

  1. Magnetic Excitations in Square Lattice Iridates: Contrast between Ba2IrO4 and Sr2IrO4, J. P. Clancy, H. Gretarsson, A. Lupascu, J. A. Sears, Z. Nie, M. H. Upton, Jungho Kim, Z. Islam, M. Uchida, D. G. Schlom, K. M. Shen, and Young-June Kim, Phys. Rev. B 107, 054423 (2023).
  2. Oscillations in the magnetothermal conductivity of a-RuCl3: Evidence of transition anomalies, Étienne Lefrançois, Jordan Baglo, Q. Barthélemy, S. Kim, Young-June Kim, and Louis Taillefer, Phys. Rev. B 107, 064408 (2023).
  3. Inelastic Neutron Scattering study of Phonon dispersion relation in Higher Manganese Silicides, R. Belanger, J. P. Clancy, Sheetal Jain, Z. Yamani, Yu-Chih Tseng, and Young-June Kim, Crystals 13, 741 (2023).
  4. Tuning charge density wave order and structure via uniaxial stress in a stripe-ordered cuprate superconductor, Naman K. Gupta, Ronny Sutarto, Rantong Gong, Stefan Idziak, Hiruy Hale, Young-June Kim, and David G. Hawthorn, Phys. Rev. B. 108, L121113 (2023).
  5. Stacking disorder in α-RuCl3 via x-ray three-dimensional difference pair distribution function analysis, J. Sears, Y. Shen, M. J. Krogstad, H. Miao, Jiaqiang Yan, Subin Kim, W. He, E. S. Bozin, I. K. Robinson, R. Osborn, S. Rosenkranz, Young-June Kim, and M. P. M. Dean, Phys. Rev. B 108, 144419 (2023).
  6. Non-local spin-orbit exciton features in Kitaev materials, Blair W. Lebert, Subin Kim, Beom Hyun Kim, Sae Hwan Chun, Diego Casa, Jaewon Choi, Stefano Agrestini, Kejin Zhou, Mirian Garcia-Fernandez, and Young-June Kim, Phys. Rev. B 108, 155122 (2023).
  7. Investigation of Cu-site disorder in undoped and doped BiCuSeO, Sheetal Jain, Chris Heath, Dixshant Shree Shreemal, Blair W. Lebert, Ning Chen, Weifeng Chen, and Young-June Kim, arXiv:2304.00110 (2023).

2022

  1. Magnetic dilution of a honeycomb lattice XY magnet CoTiO3, Ezekiel Horsley, Xin Rao, Sang Bum Yi, and Young-June Kim, J. Phys.: Condens. Matter 34, 135803 (2022).
  2. Magnetic excitations in double perovskite iridates La2MIrO6 (M = Co, Ni, and Zn) mediated by 3d-5d hybridization, Wentao Jin, Sae Hwan Chun, Jungho Kim, Diego Casa, Jacob P. C. Ruff, C. J. Won, K. D. Lee, N. Hur, and Young-June Kim, Phys. Rev. B 105, 054419 (2022).
  3. Acoustic phonon dispersion of a-RuCl3, Blair W. Lebert, Subin Kim, Danil A. Prishchenko, Alexander A. Tsirlin, Ayman H. Said, Ahmet Alatas, and Young-June Kim, Phys. Rev. B 106, L041102 (2022).
  4. Evidence of a Phonon Hall Effect in the Kitaev Spin Liquid Candidate α-RuCl3, E. Lefrancois, G. Grissonnanche, J. Baglo, P. Lampen-Kelley, J. Yan, C. Balz, D. Mandrus, S. E. Nagler, S. Kim, Young-June Kim, N. Doiron-Leyraud, and L. Taillefer, Phys. Rev. X 12, 021025 (2022).
  5. Intermediate Valence State in YbB4 Revealed by X-ray Spectroscopy, Felix Frontini, Blair W. Lebert, M. S. Song, B. K. Cho, Christopher J. Pollock, and Young-June Kim, J. Phys.:Condens. Matter 34, 345602 (2022).
  6. alpha-RuCl3 and other Kitaev materials, Subin Kim, Bo Yuan, and Young-June Kim, APL Materials 10, 080903 (2022).

2021

  1. Dispersive magnetic excitations with dominant bond-directional exchanges in a honeycomb lattice iridate α-Li2IrO3, Sae Hwan Chun, M. Moretti Sala, Jungho Kim, Jong-Woo Kim, Panagiotis Stavropoulos, Hae-Young Kee, B. J. Kim, John F. Mitchell, and Young-June Kim, Phys. Rev. B 103, L020410 (2021).
  2. In-plane Magnetic Anisotropy Generated by Quantum Zero-point Fluctuations in a Tetragonal Quantum Antiferromagnet Bi2CuO4, Bo Yuan, Nicholas P. Butch, Guangyong Xu, and Young-June Kim, Phys. Rev. B 103, 134436 (2021). - Editor's Suggestion
  3. Robust Long Range Magnetic Correlation across Anti-phase Domain Boundaries in Sr2CrReO6, Bo Yuan, Subin Kim, Sae Hwan Chun, Wentao Jin, C. S. Nelson, Adam J. Hauser, F. Y. Yang, and Young-June Kim, Phys. Rev. B 103, 064410 (2021).
  4. Anharmonicity in partially filled skutterudites YbxCo4Sb12, Yanyun Hu, James R. Salvador, Ning Chen, Ahmet Alatas, and Young-June Kim, J. Appl. Phys. 130, 185105 (2021).

2020

  1. Ferromagnetic Kitaev interaction and the origin of large magnetic anisotropy in α-RuCl3, J. A. Sears, Li Ern Chern, Subin Kim, P. J. Bereciartua, S. Francoual, Yong Baek Kim, and Young-June Kim, Nature Physics 16, 837 (2020).
  2. Dirac magnons in a honeycomb lattice quantum XY magnet CoTiO3, Bo Yuan, Ilia Khait, Guo-Jiun Shu, F. C. Chou, M. B. Stone, J. P. Clancy, Arun Paramekanti, and Young-June Kim, Phys. Rev. X 10, 011062 (2020).
  3. Spin-Orbit Exciton in a Honeycomb Lattice Magnet CoTiO3: Revealing a Link Between d- and f-electron systems, Bo Yuan, M. B. Stone, Guo-Jiun Shu, F. C. Chou, Xin Rao, J. P. Clancy, and Young-June Kim, Phys. Rev. B 102, 134404 (2020).
  4. Resonant Inelastic X-ray Scattering study of a-RuCl3: a progress report, Blair W Lebert, Subin Kim, Valentina Bisogni, Ignace Jarrige, Andi M Barbour, and Young-June Kim, J. Phys. Condens. Matter 32, 144001 (2020).
  5. Bi2Se3 thin films heteroepitaxially grown on α-RuCl3, Joon Young Park, Janghyun Jo, Jennifer A. Sears, Young-June Kim, Philip Kim, Miyoung Kim, and Gyu-Chul Yi, Phys. Rev. Mater. 4, 113404 (2020).
  6. Wetting and spreading of Ca-Y-Ba-Cu-O solution on Y2O3 and CaSZ crucible in growing Y1-xCaxBa2Cu3O7-δ single crystal, Simin Huang, Yanhan Zhu, Jun Qian, Yan Wan, Yiqian Yin, Ligang Zhou, Pavel Diko, Veronika Kucharova, Katarina Zmorayova, Young-June Kim, and Xin Yao, J. Am. Ceram. Soc. 103, 4859 (2020).

2019

  1. Spin reorientation in FeCrAs revealed by single-crystal neutron diffraction, W. T. Jin, M. Meven, H. Deng, Y. Su, W. Wu, S. R. Julian, and Young-June Kim, Phys. Rev. B 100, 174421 (2019).
  2. Magnetic excitations in hole-doped Sr2IrO4: A comparison with electron-doped cuprates, J. P. Clancy, H. Gretarsson, M. H. Upton, Jungho Kim, G. Cao, and Young-June Kim, Phys. Rev. B 100, 104414 (2019). 
  3. Hidden structural transition in epitaxial Ca0.5Sr0.5IrO3/SrTiO3 thin film, W. T. Jin, H. Gretarsson, S. Y. Jang, Chang-Yong Kim, T. W. Noh, and Young-June Kim, Phys. Rev. Materials 3, 103604 (2019).

2018

  1. Pressure-driven collapse of the relativistic electronic ground state in a honeycomb iridate, J. P. Clancy, H. Gretarsson, J. A. Sears, Yogesh Singh, S. Desgreniers, Kavita Mehlawat, Samar Layek, Gregory Kh. Rozenberg, Yang Ding, M. H. Upton, D. Casa, N. Chen, Junhyuck Im, Yongjae Lee, R. Yadav, L. Hozoi, D. Efremov, J. van den Brink, and Young-June Kim, npj Quantum Materials (2018) 35.
  2. Evolution of Magnetic Excitations Across the Metal-Insulator Transition in a pyrochlore Iridate Eu2Ir2O7, Sae Hwan Chun, Bo Yuan, Diego Casa, Jungho Kim, Chang-Yong Kim, Zhaoming Tian, Yang Qiu, Satoru Nakatsuji, and Young-June Kim, Phys. Rev. Lett. 120, 177203 (2018).
  3. Xin Yu Zheng, Renfei Feng, D. S. Ellis, and Young-June Kim, Bulk-sensitive Imaging of Twin Domains in La2-xSrxCuO4 under Uniaxial Pressure, Appl. Phys. Lett. 113, 071906 (2018).
  4. Interaction between filler species in double-filled skutterudites, Yanyun Hu, Ning Chen, James R. Salvador, Young-June Kim, Phys. Rev. Materials 2, 082401 (2018)
  5. Hai Jun Cho, Young-June Kim, and Uwe Erb, Thermal conductivity of copper-diamond composite materials produced by electrodeposition and the effect of TiC reinforcements on diamond particles, Composite Part B: Engineering. 155, 197 (2018).
  6. Zhenyu Wang, Yoshinori Okada, Jared O’Neal, Wenwen Zhou, Daniel Walkup, Chetan Dhital, Tom Hogan, Patrick Clancy, Young-June Kim, Y. F. Hu, Luiz Santos, Stephen Wilson, Nandini Trivedi, and Vidya Madhavan, Universal features of a Disorder Driven Insulator-Metal transition in Mott Insulators, Proc. Nat. Acad. Sci. 115, 11198 (2018).
  7. Bo Yuan, J. P. Clancy, J. A. Sears, A. I. Kolesnikov, M. B. Stone, Z. Yamani, Choongjae Won, Namjung Hur, B. C. Jeon, T. W. Noh, Arun Paramekanti, and Young-June Kim, Neutron Scattering Investigation of Rhenium Orbital Ordering in 3d−5d Double Perovskite Ca2FeReO6, Phys. Rev. B 98, 214433 (2018).
  8. Richard Hentrich, Anja U. B. Wolter, Xenophon Zotos, Wolfram Brenig, Domenic Nowak, Anna Isaeva, Thomas Doert, Arnab Banerjee, Paula Lampen-Kelley, David G. Mandrus, Stephen E. Nagler, Jennifer Sears, Young-June Kim, Bernd Büchner, and Christian Hess, Large field-induced gap of Kitaev-Heisenberg paramagnons in α-RuCl3, Phys. Rev. Lett. 120, 117204 (2018).
  9. K. W. Plumb, C. Stock, J. A. Rodriguez-Rivera, J.-P. Castellan, J. W. Taylor, B. Lau, W. Wu, S. R. Julian, and Young-June Kim, From mean-field localized magnetism to itinerant spin fluctuations in the Non-metallic metal – FeCrAs, Phys. Rev. B, 97, 184431 (2018).
  10. Arun Paramekanti, David J. Singh, Bo Yuan, Young-June Kim, and A. D. Christianson, t2g spin-orbit coupled systems in the `atomic’ limit: Rhenates, osmates, iridates, Phys. Rev. B, 97, 235119 (2018).

2017

  1. Phase Diagram of α-RuCl3 in an in-plane Magnetic Field, J. A. Sears, Y. Zhao, Z. Xu, J. W. Lynn, and Young-June Kim, Phys. Rev. B 95, 180411(R) (2017)- Editor’s suggestion 
  2. Local structure investigation of Ga and Yb dopants in Co4Sb12 skutterudites, Yanyun Hu, Ning Chen, J. P. Clancy, James R. Salvador, Xiaoya Shi, Qiang Li, and Young-June Kim, Phys. Rev. B 96, 224107 (2017).
  3. Bo Yuan, J. P. Clancy, A. M. Cook, C. M. Thompson, J. Greedan, G. Cao, B.-C. Jeon, T.-W. Noh, M. H. Upton, D. Casa, T. Gog, Arun Paramekanti, and Young-June Kim, Determination of Hund’s coupling in 5d Oxides using Resonant Inelastic X-ray Scattering, Phys. Rev. B 95, 235114 (2017).
  4. S. Lafuerza, H. Gretarsson, F. Hardy, T. Wolf, C. Meingast, G. Giovannetti, M. Capone, A. S. Sefat Y. –J. Kim, P. Glatzel, and L. de’ Medici, Evidences of Mott physics in iron pnictides from x-ray spectroscopy, Phys. Rev. B 96, 045133 (2017).

2016

  1. K.W. Plumb, Kyusung Hwang, Y. Qiu, Leland W. Harriger, G. E. Granroth, G. J. Shu, F.C. Chou, Ch. Ruegg, Yong Baek Kim, and Young-June Kim, Quasiparticle-continuum level repulsion in a Quantum Magnet, Nat. Phys. 12, 224 (2016).
  2. ARPES study of the Kitaev Candidate alpha-RuCl3, Xiaoqing Zhou, Haoxiang Li, J. A. Waugh, S. Parham, Heung-Sik Kim, J. A. Sears, A. Gomes, Hae-Young Kee, Young-June Kim, and D. S. Dessau, Phys. Rev. B 94, 161106 (2016).
  3. Orbital excitations in the 4d spin-orbit coupled Mott insulator a-RuCl3, Luke J. Sandilands, Yao Tian, Anjan A. Reijnders, Heung-Sik Kim, K.W. Plumb, Hae-Young Kee, Young-June Kim, Kenneth S. Burch, Phys. Rev. B 93, 075144 (2016).
  4. A. J. Achkar, M. Zwiebler, Christopher McMahon, F. He, R. Sutarto, Isaiah Djianto, Zhihao Hao, M. J. P. Gingras, M. Hücker, G. D. Gu, A. Revcolevschi, H. Zhang, Y.-J. Kim, J. Geck, and D. G. Hawthorn, Nematicity in stripe ordered cuprates probed via resonant x-ray scattering, Science, 351, 576 (2016).
  5. Luke J. Sandilands, C. H. Sohn, H. J. Park, So Yeun Kim, K. W. Kim, Jennifer A. Sears, Young-June Kim, and Tae Won Noh, Optical probe of Heisenberg-Kitaev magnetism in α−RuCl3, Phys. Rev. B 94, 195156 (2016).
  6. J.J. Wagman, J. P. Carlo, J. Gaudet, G. Van Gastel, D. L. Abernathy, M. B. Stone, G.E. Granroth, A. I. Koleshnikov, A. T. Savici, Y. J. Kim, H. Zhang, D. Ellis, Y.Zhao, L. Clark, A.B. Kallin, E. Mazurek, H.A. Dabkowska, B.D. Gaulin, Neutron Scattering Studies of Spin-Phonon Hybridization and Superconducting Spin-Gaps in High Temperature Superconductor La2−x(Sr,Ba)xCuO4, Phys. Rev. B 93, 094416 (2016).
  7. J. P. Clancy, H. Gretarsson, E. K. H. Lee, Di Tian, J. Kim, M. H. Upton, D. Casa, T. Gog, Z. Islam, Byung-Gu Jeon, Kee Hoon Kim, S. Desgreniers, Yong Baek Kim, S. J. Julian, and Young-June Kim, X-ray scattering study of pyrochlore iridates: crystal structure, electronic and magnetic excitations, Phys. Rev. B 94, 024408 (2016).
  8. Hai Jun Cho, Jason Tama, Miroslavna Kovylinaa, Young-June Kim, and Uwe Erb, Thermal conductivity of bulk nanocrystalline nickel-diamond composites produced by electrodeposition, J. Alloys Comp. 687, 570 (2016).
  9. Tom Hogan, Rebecca Dally, Mary Upton, J. P. Clancy, Kenneth Finkelstein, Young-June Kim, M. J. Graf, and Stephen D. Wilson, Disordered dimer state in electron-doped Sr3Ir2O7, Phys. Rev. B 94, 100401(R) (2016).