Publications

[54] Y. Lee, R. Skomski, X. Wang, P. P. Orth, A. K. Pathak, B. N. Harmon, R. J. McQueeney, I. I. Mazin, and Liqin Ke. Interplay between magnetism and band topology in Kagome magnets RMn6Sn6. arXiv, 2201:11265, 2022. (Under review by Phys. Rev. X). [ arXiv ]
[53] Eranga H. Gamage, Saeed Kamali, Judith K. Clark, Yongbin Lee, Philip Yox, Padraic Shafer, Alexander A. Yaroslavtsev, Liqin Ke, Michael Shatruk, and Kirill Kovnir. As-Se pentagonal linkers to induce chirality and polarity in mixed-valent Fe-Se tetrahedral chains resulting in hidden magnetic ordering. 2022. (Under review by JACS).
[52] S. X. M. Riberolles, Tyler J. Slade, D. L. Abernathy, G. E. Granroth, Bing Li, Y. Lee, P. C. Canfield, B. G. Ueland, Liqin Ke, and R. J. McQueeney. Low-Temperature Competing Magnetic Energy Scales in the Topological Ferrimagnet TbMn6Sn6. Phys. Rev. X, April 2022. (In Press). [ http ]
[51] Byungkyun Kang, Joshua Vincent, Yongbin Lee, Liqin Ke, Peter A Crozier, and Qiang Zhu. Modeling surface spin polarization on ceria-supported Pt nanoparticles. Journal of Physics: Condensed Matter, 34:255002, April 2022. [ DOI | http ]
[50] E. H. Krenkel, M. A. Tanatar, M. Kończykowski, R. Grasset, E. I. Timmons, S. Ghimire, K. R. Joshi, Y. Lee, Liqin Ke, Shuzhang Chen, C. Petrovic, P. P. Orth, M. S. Scheurer, and R. Prozorov. Possible unconventional pairing in (Ca,Sr)3(Ir,Rh)4Sn13 superconductors revealed by controlling disorder. Phys. Rev. B, 105:094521, March 2022. [ DOI | http ]
[49] Yu Liu, Myung-Geun Han, Yongbin Lee, Michael O. Ogunbunmi, Qianheng Du, Christie Nelson, Zhixiang Hu, Eli Stavitski, David Graf, Klaus Attenkofer, Svilen Bobev, Liqin Ke, Yimei Zhu, and Cedomir Petrovic. Polaronic Conductivity in Cr2Ge2Te6 Single Crystals. Advanced Functional Materials, n/a(n/a):2105111, February 2022. [ DOI | http ]
[48] B. G. Ueland, Santanu Pakhira, Bing Li, A. Sapkota, N. S. Sangeetha, T. G. Perring, Y. Lee, Liqin Ke, D. C. Johnston, and R. J. McQueeney. Carrier tuning of Stoner ferromagnetism in ThCr2Si2-structure cobalt arsenides. Phys. Rev. B, 104:L220410, December 2021. [ DOI | http ]
[47] Bing Li, D. M. Pajerowski, S. X. M. Riberolles, Liqin Ke, J.-Q. Yan, and R. J. McQueeney. Quasi-two-dimensional ferromagnetism and anisotropic interlayer couplings in the magnetic topological insulator MnBi2Te4. Phys. Rev. B, 104:L220402, December 2021. [ DOI | http ]
[46] Santanu Pakhira, Y. Lee, Liqin Ke, V. Smetana, A.-V. Mudring, Thomas Heitmann, David Vaknin, and D. C. Johnston. Suppression of antiferromagnetic order and strong ferromagnetic spin fluctuations in Ca(Co1-xNix)2-yAs2 single crystals. Phys. Rev. B, 104:094420, September 2021. [ DOI | http ]
[45] V. V. Mkhitaryan and Liqin Ke. Self-consistently renormalized spin-wave theory of layered ferromagnets on the honeycomb lattice. Phys. Rev. B, 104:064435, August 2021. [ DOI | http ]
[44] S. X. M. Riberolles, Q. Zhang, Elijah Gordon, N. P. Butch, Liqin Ke, J.-Q. Yan, and R. J. McQueeney. Evolution of magnetic interactions in Sb-substituted MnBi2Te4. Phys. Rev. B, 104:064401, August 2021. [ DOI | http ]
[43] Elijah Gordon, Vagharsh Mkhitaryan, Haijun Zhao, Yongbin Lee, and Liqin Ke. Magnetic interactions and spin excitations in van der Waals ferromagnet VI3. Journal of Physics D: Applied Physics, August 2021. [ http ]
[42] Tae-Hoon Kim, Haijun Zhao, Phuong-Vu Ong, Brandt A. Jensen, Baozhi Cui, Alexander H. King, Liqin Ke, and Lin Zhou. Kinetics of magnetic skyrmion crystal formation from the conical phase. Nano Letters, 21(13):5547--5554, June 2021. [ DOI | arXiv | http ]
[41] You Lai, Liqin Ke, Jiaqiang Yan, Ross D. McDonald, and Robert J. McQueeney. Defect-driven ferrimagnetism and hidden magnetization in MnBi2Te4. Phys. Rev. B, 103:184429, May 2021. (Editors' Suggestion). [ DOI | http ]
[40] Y. Lee, V. N. Antonov, B. N. Harmon, and Liqin Ke. X-ray spectra in the magnetic van der Waals materials Fe3GeTe2, CrI3, and CrGeTe3: A first-principles study. Phys. Rev. B, 103:134407, April 2021. [ DOI | http ]
[39] Liqin Ke and Mikhail I Katsnelson. Electron correlation effects on exchange interactions and spin excitations in 2D van der Waals materials. npj Computational Materials, 7(4):1--8, January 2021. [ DOI | http ]
[38] Tae-Hoon Kim, Haijun Zhao, Ben Xu, Brandt Jensen, Alexander King, Matthew Kramer, Liqin Ke, and Lin Zhou. In-situ observation of magnetic skyrmion crystal growth from the conical phase. Microscopy and Microanalysis, 26(S2):1764--1765, July 2020. [ DOI ]
[37] Y. Lee, Takao Kotani, and Liqin Ke. Role of nonlocality in exchange correlation for magnetic two-dimensional van der Waals materials. Phys. Rev. B: Rapid communication, 101:241409, June 2020. [ DOI | http ]
[36] E. I. Timmons, S. Teknowijoyo, M. Kończykowski, O. Cavani, M. A. Tanatar, Sunil Ghimire, Kyuil Cho, Yongbin Lee, Liqin Ke, Na Hyun Jo, S. L. Bud'ko, P. C. Canfield, Peter P. Orth, Mathias S. Scheurer, and R. Prozorov. Electron irradiation effects on superconductivity in PdTe2: An application of a generalized Anderson theorem. Phys. Rev. Research, 2:023140, May 2020. [ DOI | http ]
[35] Bing Li, J.-Q. Yan, D. M. Pajerowski, Elijah Gordon, A.-M. Nedić, Y. Sizyuk, Liqin Ke, P. P. Orth, D. Vaknin, and R. J. McQueeney. Competing magnetic interactions in the antiferromagnetic topological insulator MnBi2Te4. Phys. Rev. Lett., 124:167204, April 2020. [ DOI | http ]
[34] Farhan Islam, Elijah Gordon, Pinaki Das, Yong Liu, Liqin Ke, Douglas L. Abernathy, Robert J. McQueeney, and David Vaknin. Spin dynamics in antiferromagnetic oxypnictides and fluoropnictides: LaMnAsO, LaMnSbO, and BaMnAsF. Phys. Rev. B, 101:155119, April 2020. [ DOI | http ]
[33] Tae-Hoon Kim, Haijun Zhao, Ben Xu, Brandt A. Jensen, Alexander H. King, Matthew J. Kramer, Cewen Nan, Liqin Ke, and Lin Zhou. Mechanisms of skyrmion and skyrmion crystal formation from the conical phase. Nano Letters, March 2020. [ DOI | http ]
[32] W. H. Ji, L. Yin, W. M. Zhu, C. M. N. Kumar, C. Li, H.-F. Li, W. T. Jin, S. Nandi, X. Sun, Y. Su, Th. Brückel, Y. Lee, B. N. Harmon, Liqin Ke, Z. W. Ouyang, and Y. Xiao. Noncollinear magnetic structure and anisotropic magnetoelastic coupling in cobalt pyrovanadate Co2V2O7. Phys. Rev. B, 100:134420, October 2019. [ DOI | http ]
[31] Tae-Hoon Kim, Licong Peng, Ying Zhang, Liqin Ke, Brandt Jensen, X.-G. Zhang, Matthew J. Kramer, and Lin Zhou. Formation and relaxation dynamics of magnetic skyrmion. Microscopy and Microanalysis, 25(S2):36--37, August 2019. [ DOI ]
[30] R. Barua, B.T. Lejeune, B.A. Jensen, Liqin Ke, R.W. McCallum, M.J. Kramer, and L.H. Lewis. Enhanced room-temperature magnetocaloric effect and tunable magnetic response in Ga-and Ge-substituted AlFe2B2. Journal of Alloys and Compounds, 777:1030--1038, March 2019. [ DOI | http ]
[29] Liqin Ke. Intersublattice magnetocrystalline anisotropy using a realistic tight-binding method based on maximally localized Wannier functions. Phys. Rev. B, 99:054418, February 2019. [ DOI | http ]
[28] Lin Zhou, Emma White, Liqin Ke, David A. Cullen, Ping Lu, S. Constantinides, R.W. McCallum, I.E. Anderson, and M.J. Kramer. Microstructure and coercivity in alnico 9. Journal of Magnetism and Magnetic Materials, 471:142--147, February 2019. [ DOI | http ]
[27] Licong Peng, Ying Zhang, Liqin Ke, Tae-Hoon Kim, Qiang Zheng, Jiaqiang Yan, X.-G. Zhang, Yang Gao, Shouguo Wang, Jianwang Cai, Baogen Shen, Robert J. McQueeney, Adam Kaminski, Matthew J. Kramer, and Lin Zhou. Relaxation dynamics of zero-field skyrmions over a wide temperature range. Nano Letters, 18(12):7777--7783, November 2018. [ DOI | arXiv | http ]
[26] Lin Zhou, Wei Guo, J.D. Poplawsky, Liqin Ke, Wei Tang, I.E. Anderson, and M.J. Kramer. On spinodal decomposition in alnico - a transmission electron microscopy and atom probe tomography study. Acta Materialia, 153:15--22, July 2018. [ DOI | http ]
[25] R. Barua, B.T. Lejeune, Liqin Ke, G. Hadjipanayis, E.M. Levin, R.W. McCallum, M.J. Kramer, and L.H. Lewis. Anisotropic magnetocaloric response in AlFe2B2. Journal of Alloys and Compounds, 745:505 -- 512, May 2018. [ DOI | http ]
[24] Liqin Ke, Ralph Skomski, Todd D. Hoffmann, Lin Zhou, Wei Tang, Duane D. Johnson, Matthew J. Kramer, Iver E. Anderson, and C.-Z. Wang. Simulation of alnico coercivity. Applied Physics Letters, 111(2):022403, July 2017. [ DOI | http ]
[23] Lin Zhou, Wei Tang, Liqin Ke, Wei Guo, Jonathan D. Poplawsky, Iver E. Anderson, and Matthew J. Kramer. Microstructural and magnetic property evolution with different heat-treatment conditions in an alnico alloy. Acta Materialia, 133:73--80, July 2017. [ DOI | http ]
[22] Liqin Ke, Bruce N. Harmon, and Matthew J. Kramer. Electronic structure and magnetic properties in T2AlB2 (T=Fe, Mn, Cr, Co, and Ni) and their alloys. Phys. Rev. B, 95:104427, March 2017. [ DOI | http ]
[21] Ralph Skomski, Liqin Ke, Matthew J. Kramer, Iver E. Anderson, C. Z. Wang, W. Y. Zhang, Jeff E. Shield, and D. J. Sellmyer. Cooperative and noncooperative magnetization reversal in alnicos. AIP Advances, 7(5):056222, February 2017. [ DOI | arXiv | http ]
[20] Liqin Ke, D. A. Kukusta, and Duane D. Johnson. Origin of magnetic anisotropy in doped Ce2Co17 alloys. Phys. Rev. B, 94:144429, October 2016. [ DOI | http ]
[19] Xin Zhao, Liqin Ke, Cai-Zhuang Wang, and Kai-Ming Ho. Metastable cobalt nitride structures with high magnetic anisotropy for rare-earth free magnets. Phys. Chem. Chem. Phys., 18:31680--31690, October 2016. [ DOI | http ]
[18] Liqin Ke and Duane D. Johnson. Intrinsic magnetic properties in R(Fe1-xCox)11TiZ (R=Y and Ce; Z=H, C, and N). Phys. Rev. B, 94:024423, July 2016. [ DOI | http ]
[17] Liqin Ke and Mark van Schilfgaarde. Band-filling effect on magnetic anisotropy using a Green's function method. Phys. Rev. B, 92:014423, July 2015. [ DOI | http ]
[16] Xin Zhao, Liqin Ke, Manh Cuong Nguyen, Cai-Zhuang Wang, and Kai-Ming Ho. Structures and magnetic properties of Co-Zr-B magnets studied by first-principles calculations. Journal of Applied Physics, 117(24):243902, June 2015. [ DOI | http ]
[15] A. Jesche, Liqin Ke, J. L. Jacobs, B. Harmon, R. S. Houk, and P. C. Canfield. Alternating magnetic anisotropy of Li2(Li1-xTx)N (T=Mn, Fe, Co, and Ni). Phys. Rev. B: Rapid communication, 91:180403, May 2015. [ DOI | http ]
[14] Kirill D. Belashchenko, Liqin Ke, Markus Däne, Lorin X. Benedict, Tej Nath Lamichhane, Valentin Taufour, Anton Jesche, Sergey L. Bud'ko, Paul C. Canfield, and Vladimir P. Antropov. Origin of the spin reorientation transitions in (Fe1-xCox)2B alloys. Applied Physics Letters, 106(6):062408, February 2015. [ DOI | http ]
[13] Aaron Gilad Kusne, Tieren Gao, Apurva Mehta, Liqin Ke, Manh Cuong Nguyen, Kai-Ming Ho, Vladimir Antropov, Cai-Zhuang Wang, Matthew J. Kramer, Christian Long, and Ichiro Takeuchi. On-the-fly machine-learning for high-throughput experiments: search for rare-earth-free permanent magnets. Scientific Reports, 4, September 2014. [ http ]
[12] Vladimir Antropov, Liqin Ke, and Daniel Aberg. Constituents of magnetic anisotropy and a screening of spin-orbit coupling in solids. Solid State Communications, 194(0):35--38, September 2014. [ DOI | http ]
[11] Lin Zhou, M.K. Miller, Ping Lu, Liqin Ke, R. Skomski, H. Dillon, Q. Xing, A. Palasyuk, M.R. McCartney, D.J. Smith, S. Constantinides, R.W. McCallum, I.E. Anderson, V. Antropov, and M.J. Kramer. Architecture and magnetism of alnico. Acta Materialia, 74(0):224--233, August 2014. [ DOI | http ]
[10] X. Zhao, M. C. Nguyen, W. Y. Zhang, C. Z. Wang, M. J. Kramer, D. J. Sellmyer, X. Z. Li, F. Zhang, Liqin Ke, V. P. Antropov, and K. M. Ho. Exploring the structural complexity of intermetallic compounds by an adaptive genetic algorithm. Phys. Rev. Lett., 112:045502, January 2014. [ DOI | http ]
[9] Liqin Ke, Kirill D. Belashchenko, Mark van Schilfgaarde, Takao Kotani, and Vladimir P. Antropov. Effects of alloying and strain on the magnetic properties of Fe16N2. Phys. Rev. B, 88:024404, July 2013. [ DOI | http ]
[8] M Nguyen, L Ke, X. Zhao, V. Antropov, C.-Z. Wang, and K.-M. Ho. Atomic structure and magnetic properties of HfCo alloy. Magnetics, IEEE Transactions on, 49(7):3281--3283, July 2013. [ DOI ]
[7] A L Wysocki, K D Belashchenko, L Ke, M van Schilfgaarde, and V P Antropov. Biquadratic magnetic interaction in parent ferropnictides. Journal of Physics: Conference Series, 449(1):012024, 2013. [ http ]
[6] Liqin Ke, Mark van Schilfgaarde, and Vladimir Antropov. Spin excitations in K2Fe4+xSe5: Linear response approach. Phys. Rev. B: Rapid communication, 86:020402, July 2012. [ DOI | http ]
[5] Liqin Ke, Mark van Schilfgaarde, and Vladimir Antropov. Doping-induced metallicity and coexistence of magnetic subsystems in K2Fe4+xSe5. Solid State Communications, 152(19):1846--1849, June 2012. [ DOI | http ]
[4] Liqin Ke, Mark van Schilfgaarde, Jiji Pulikkotil, Takao Kotani, and Vladimir Antropov. Low-energy coherent stoner-like excitations in CaFe2As2. Phys. Rev. B: Rapid communication, 83:060404, February 2011. (Editors' Suggestion). [ DOI | http ]
[3] Jiji Pulikkotil, Liqin Ke, Mark van Schilfgaarde, Takao Kotani, and Vladimir Antropov. Magnetism and exchange coupling in iron pnictides. Superconductor Science and Technology, 23(5):054012, April 2010. [ http ]
[2] Liqin Ke, Takao Kotani, Mark van Schilfgaarde, and Peter A Bennett. Breakdown of a gold nanowire between electrodes. Nanotechnology, 18(42):424002, September 2007. [ http ]
[1] Liqin Ke, Mark van Schilfgaarde, Takao Kotani, and Peter A Bennett. Ballistic conductance calculation of atomic-scale nanowires of Au and Co. Nanotechnology, 18(9):095709, January 2007. [ http ]