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Recent Publications

2019

    1. Bo Yuan, Ilia Khait, Guo-Jiun Shu, F. C. Chou, M. B. Stone, J. P. Clancy, Arun Paramekanti, and Young-June Kim, “Dirac magnons in a honeycomb lattice quantum XY magnet CoTiO3”, arXiv:1907.02061

    2. Bo Yuan, Nicholas P. Butch, Guangyong Xu, and Young-June Kim, “In-plane Magnetic Anisotropy Generated by Quantum Zero-point Fluctuations in a Tetragonal Quantum Antiferromagnet Bi2CuO4”, submitted to Phys. Rev. Lett. arXiv:1907.07784.

    3. W. T. Jin, M. Meven, H. Deng, Y. Su, W. Wu, S. R. Julian, and Young-June Kim, “Spin reorientation in FeCrAs revealed by single-crystal neutron diffraction”, submitted to Phys. Rev. B.

    4. H. Zhang, J. P. Clancy, A. Seo, C. McMahon, D. G. Hawthorn, G. A. Botton, Y. J. Kim, and J. Y. T. Wei, “Phase transformation and hole doping in superoxygenated Sr2IrO4 thin films”, submitted to Phys. Rev. Materials.

    5. Haochen Zhang, Subin Kim, Young-June Kim, Hae-Young Kee, and Luyi Yang, “Ultrafast dynamics of fractional particles in a Kitaev spin liquid”, submitted to Phys. Rev. X.

    6. Blair W Lebert, Subin Kim, Valentina Bisogni, Ignace Jarrige, Andi M Barbour, and Young-June Kim, “Resonant Inelastic X-ray Scattering study of a-RuCl3: a progress report”, submitted to JPCM.

    7. J. A. Sears, Li Ern Chern, Subin Kim, P. J. Bereciartua, S. Francoual, Yong Baek Kim, and Young-June Kim, “Ferromagnetic Kitaev interaction and the origin of large magnetic anisotropy in α-RuCl3”, submitted to Nat. Phys.

    8. J. P. Clancy, H. Gretarsson, M. H. Upton, Jungho Kim, G. Cao, and Young-June Kim, “Magnetic excitations in hole-doped Sr2IrO4: A comparison with electron-doped cuprates,” Phys. Rev. B 100, 104414 (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).

      2015

      1. J. A. Sears, M. Songvilay, K. W. Plumb, J. P. Clancy, Y. Qiu, Y. Zhao, D. Parshall, and Young-June Kim, “Magnetic order in a-RuCl3: a honeycomb lattice quantum magnet with strong spin-orbit coupling”, Phys. Rev. B, 91, 144420 (2015).
      2. Structural origin of the anomalous temperature dependence of the local magnetic moments in the CaFe2As2 family of materials, L. Ortenzi, H. Gretarsson, S. Kasahara, Y. Matsuda, T. Shibauchi, K. D. Finkelstein, W. Wu, S. R. Julian, Young-June Kim, I. I. Mazin, and L. Boeri, Phys. Rev. Lett. 114, 047001 (2015).
      3. Resonant inelastic x-ray scattering study of electronic excitations in insulating K0.83Fe1.53Se2, H. Gretarsson, T. Nomura, I. Jarrige, A. Lupascu, M. H. Upton, Jungho Kim, D. Casa, T. Gog, R. H. Yuan, Z. G. Chen, N.-L. Wang, and Young-June Kim, Phys. Rev. B, 91, 245118 (2015).
      4. L.J. Sandilands, Y. Tian, K.W. Plumb, Young-June Kim, and K. S. Burch, “Scattering Continuum and Possible Fractionalized Excitations in a-RuCl3: Phys. Rev. Lett. 114, 147201 (2015).
      5. Zahra Yamani, W. J. L. Buyers, F. Wang, Y-J. Kim, J.-H. Chung, S. Chang, P. Gehring, G. Gasparovic, C. Stock, C. L. Broholm, J. C. Baglo, Ruixing Liang, D. A. Bonn, and W. N. Hardy, “Separation of magnetic and superconducting behaviour in YBCO6.33 (Tc=8.4 K)”, Phys. Rev. B, 91, 134427 (2015).

      2014

        1. alpha-RuCl3: a spin-orbit assisted Mott insulator on a honeycomb lattice, K. W. Plumb, J. P. Clancy, L. Sandilands, V. Vijay Shankar, Y. F. Hu, K. S. Burch, Hae-Young Kee, and Young-June Kim, Phys. Rev. B 90, 041112(R) (2014).
        2. Sudden reversal in the pressure dependence of Tc in the iron-based superconductor CsFe2As2: A possible link between  scattering and pairing symmetry, F. F. Tafti, J. P. Clancy, M. Lapointe-Major, C. Collignon, S. Faucher, J. Sears, A. Juneau-Fecteau, N. Doiron-Leyraud, A. F. Wang, X. G. Luo, S. Desgreniers, Young-June Kim, X. H. Chen, and Louis Taillefer, Phys. Rev. B. 89 134502(2014).
        3. High-Energy continuum of magnetic excitations in the two-dimensional quantum antiferromagnet Sr2CuO2Cl2, K. W. Plumb, A. T. Savici, G. E. Granroth, F. C. Chou, and Young-June Kim, Phys. Rev. B 89, 180410(R) (2014).
        4. Tuning Magnetic Coupling in Sr2IrO4 Thin Films with Epitaxial Strain, A. Lupascu, J. P. Clancy, H. Gretarsson, Zixin Nie, J. Nichols, J. Terzic, G. Cao, S. S. A. Seo, Z. Islam, M. H. Upton, Jungho Kim, A. H. Said, D. Casa, T. Gog, Vamshi M. Katukuri, L. Hozoi, H. Stoll, J. van den Brink, and Young-June Kim, Phys. Rev. Lett. 112, 147201 (2014).
        5. Dilute magnetism and spin-orbital percolation effects in Sr2Ir1−xRhxO4, J. P. Clancy, A. Lupascu, H. Gretarsson, Z. Islam, Y. F. Hu, D. Casa, C. S. Nelson, S. C. LaMarra, G. Cao, and Young-June Kim, Phys. Rev. B 89, 054409 (2014).
        6. L. Hozoi, H. Gretarsson, J. P. Clancy, B.-G. Jeon, B. Lee, K. H. Kim, V. Yushankhai, Peter Fulde, D. Casa, T. Gog, Jungho Kim, A. H. Said, M. H. Upton, Young-June Kim, and Jeroen van den Brink, “Longer-range lattice anisotropy strongly competing with spin-orbit interactions in pyrochlore iridates,” Phys. Rev. B 89, 115111 (2014).

        2013

        1. Crystal field splitting and correlation effect on the electronic structure of A2IrO3, H. Gretarsson, J. P. Clancy, X. Liu, J. P. Hill, Emil Bozin, Yogesh Singh, S. Manni, P. Gegenwart, Jungho Kim, A. H. Said, D. Casa, T. Gog, M. H. Upton, Heung-Sik Kim, J. Yu, Vamshi M. Katukuri, L. Hozoi, Jeroen van den Brink, and Young-June Kim, Phys. Rev. Lett. 110, 076402 (2013).
        2. Spin-state transition in the Fe-pnictides, H. Gretarsson, S.R. Saha, T. Drye, J. Paglione, Jungho Kim, D. Casa, T. Gog, W. Wu, S. R. Julian, and Young-June Kim,  Phys. Rev. Lett. 110, 047003(2013).
        3. Avoided quantum criticality and magnetoelastic coupling in BaFe2−xNixAs2, Xingye Lu, H. Gretarsson, Rui Zhang, Xuerong Liu, Huiqian Luo, Wei Tian, Mark Laver, Z. Yamani, Young-June Kim, A. H. Nevidomskyy, Qimiao Si, and Pengcheng Dai, Phys. Rev. Lett. 110, 257001 (2013).

        4. Spin-orbital locked magnetic excitations in a half-metallic double perovskite Ba2FeReO6, K. W. Plumb, A. M. Cook, J. P. Clancy, A. I. Kolesnikov, B. C. Jeon, T. W. Noh, A. Paramekanti, and Young-June Kim, Phys. Rev. B 87, 184412 (2013).

        5. Incommensurate dynamic correlations in the quasi-two-dimensional spin liquid BiCu2PO6, K. W. Plumb, Zahra Yamani, M. Matsuda, G. J. Shu, B. Koteswararao, F. C. Chou, and Young-June Kim, Phys. Rev. B, 88, 024402 (2013).

        6. Magnetic excitation spectrum of Na2IrO3 probed by RIXS, H. Gretarsson, J. P. Clancy, Yogesh Singh, P. Gegenwart, Jungho Kim, M. H. Upton,  A. H. Said, D. Casa, T. Gog, and Young-June Kim, Phys. Rev. B 87, 220407(R) (2013).

        7. Fan Wang, Jungho Kim, G. D. Gu, Yongjae Lee, Saebyok Bae, and Young-June Kim, “Oxygen stoichiometry and magnetic properties of LuFe2O4+d”, J. Appl. Phys., 113, 063909 (2013).

        8. Jungho Kim, W. Ku, Chi-Cheng Lee, D. S. Ellis, B. K. Cho, C. C. Homes, E. J. Choi, A. Said, Y. Shvyd'ko, and Young-June Kim, “Spin-Split Conduction band in EuB6 and Tuning of Half-Metallicity with External Stimuli”, Phys. Rev. B  87, 155104 (2013).