Publications

2023

Yoon, J.-Y., Zhang, P., Chou, C.-T., Takeuchi, Y., Uchimura, T., Hou, J. T., Han, J., Kanai, S., Ohno, H., Fukami, S., & Liu, L. Handedness Anomaly in a Non-Collinear Antiferromagnet under Spin–Orbit Torque. Mater. 23, 1106-1113. https://doi.org/10.1038/s41563-023-01620-2 (2023).

Fakhrul, T., Khurana, B., Nembach, H. T., Shaw, J. M., Fan, Y., Riley, G. A., Liu, L., Ross, C. A. Substrate-Dependent Anisotropy and Damping in Epitaxial Bismuth Yttrium Iron Garnet Thin Films. Advanced Materials Interfaces, 10 (30), 2300217. https://doi.org/10.1002/admi.202300217 (2023).

Yoon, J.-Y.; Zhang, P.; Chou, C.-T.; Takeuchi, Y.; Uchimura, T.; Hou, J. T.; Han, J.; Kanai, S.; Ohno, H.; Fukami, S.; Liu, L. Unconventional Octupole Dynamics of a Non-Collinear Antiferromagnet Driven by Spin-Orbit Torque. In 2023 IEEE International Magnetic Conference – Short Papers (INTERMAG Short Papers); IEEE: Sendai, Japan, https://doi.org/10.1109/INTERMAGShortPapers58606.2023.10228250 (2023).

Comstock, A. H., Chou, C.-T., Wang, Z., Wang, T., Song, R., Sklenar, J., Amassian, A., Zhang, W., Lu, H., Liu, L., Beard, M. C. & Sun, D. Hybrid magnonics in hybrid perovskite antiferromagnets. Nature Comm. 14, 1834, (2023).

Fan, Y., Gross, M. J., Fakhrul, T., Finley, J., Hou, J. T., Ngo, S., Liu, L. & Ross, C. A. Coherent magnon-induced domain-wall motion in a magnetic insulator channel. Nat Nanotechnol, (2023) https://doi.org/10.1038/s41565-023-01406-2.

Han, J., Cheng, R., Liu, L., Ohno, H. & Fukami, S. Coherent antiferromagnetic spintronics. Nature Mater. 22, 684-695, (2023).

2022

Fan, Y., Zhang, P., Han, J., Lv, Y., Liu, L. & Wang, J.-P. Observation of the Unidirectional Magnetoresistance in Antiferromagnetic Insulator Fe2O3/Pt Bilayers. Adv Electron Mater, 2300232 (2022).

B. C. McGoldrick, J. Z. Sun, and L. Liu, “Ising Machine Based on Electrically Coupled Spin Hall Nano-Oscillators” Physical Review Applied 17, 014006 (2022).

P. Zhang, C.T. Chou, H. Yun, B.C. McGoldrick, J.T. Hou, K.A. Mkhoyan, L. Liu, “Control of Néel Vector with Spin-Orbit Torques in an Antiferromagnetic Insulator with Tilted Easy Plane,” Physical Review Letters 129, 017203 (2022).

Z. Hu, L. Fu, L. Liu, “Tunable Magnonic Chern Bands and Chiral Spin Currents in Magnetic Multilayers,” Physical Review Letters 128, 217201 (2022).

T.S. Safi, C.T. Chou, J.T. Hou, J. Han, L. Liu, “Spin-generation in magnetic Weyl semimetal Co2MnGa across varying degree of chemical order,” Applied Physics Letters 121, 092404 (2022).

Quarterman, P., Fan, Y., Chen, Z., Jensen, C. J., Chopdekar, R. V., Gilbert, D. A., Holtz, M. E., Stiles, M. D., Borchers, J. A., Liu, K., Liu, L. & Grutter, A. J. Probing antiferromagnetic coupling in magnetic insulator/metal heterostructures. Physical Review Materials 6, 094418, (2022).

2021

D. Awschalom, C. R. Du, R. He, F. J. Heremans, A. Hoffmann, J. Hou, H. Kurebayashi, Y. Li, L. Liu, V. Novosad, J. Sklenar, S. E. Sullivan, D. Sun, H. Tang, V. Tyberkevych, C. Trevillian, A. W. Tsen, L. R. Weiss, W. Zhang, X. Zhang, L. Zhao, and C. W. Zollitsch, “Quantum Engineering With Hybrid Magnonic Systems and Materials”(Invited Paper) IEEE Transactions on Quantum Engineering 2, 550836 (2021).

Shao, P. Li, L. Liu, H. Yang, S. Fukami, A. Razavi, H. Wu, K. Wang, F. Freimuth, Y. Mokrousov, M. D. Stiles, S. Emori, A. Hoffmann, J. Åkerman, K. Roy, J. P. Wang, S. H. Yang, K. Garello, and W. Zhang, “Roadmap of Spin–Orbit Torques” IEEE Transactions on Magnetics 57, 1 (2021).

Fan, J. Finley, M. E. Holtz, P. Quarterman, A. J. Grutter, J. Han, P. Zhang, T. S. Safi, J. T. Hou, and L.Q. Liu, “Resonant spin transmission mediated by magnons in a magnetic insulator” Advanced Materials, 2008555 (2021).

Han, and L. Liu, “Topological insulators for efficient spin-orbit torques,” APL Materials 9, 060901 (2021).

Khurana, J. J. Bauer, P. Zhang, T. Safi, C.-T. Chou, J. T. Hou, T. Fakhrul, Y. Fan, L. Liu, and C. A. Ross, “Magnetism and spin transport in platinum/scandium-substituted terbium iron garnet heterostructures” Physical Review Materials 5, 084408 (2021).

T. Hou, P. Zhang, and L. Liu, “Proposal for a Spin-Torque-Oscillator Maser Enabled by Microwave Photon-Spin Coupling” Physical Review Applied 16, 034034 (2021).

Han, Y. Fan, B. C. McGoldrick, J. Finley, J. T. Hou, P. Zhang, and L. Liu, “Nonreciprocal Transmission of Incoherent Magnons with Asymmetric Diffusion Length” Nano Letters 21, 7037 (2021).

Han, B. C. McGoldrick, C.-T. Chou, T. S. Safi, J. T. Hou, and L. Liu, “Current-induced switching of a ferromagnetic Weyl semimetal Co2MnGa” Applied Physics Letters 119, 212409 (2021).

2020

J. Han, P. Zhang, Z. Bi, Y. Fan, T. S. Safi, J. Xiang, J. Finley, L. Fu, R. Cheng, and L. Liu, Birefringence-like spin transport via linearly polarized antiferromagnetic magnons  Nature Nanotechnology 15, 563 (2020).

M. Huang, J. Xiang, C. Feng, H. Huang, P. Liu, Y. Wu, A. T. N’Diaye, G. Chen, J. Liang, H. Yang, J. Liang, X. Cui, J. Zhang, Y. Lu, K. Liu, D. Hou, L. Liu, and B. Xiang, Direct Evidence of Spin Transfer Torque on Two-Dimensional Cobalt-Doped MoS2 Ferromagnetic Material  ACS Applied Electronic Materials 2, 1497 (2020).

J. Finley and L. Liu, Spintronics with compensated ferrimagnets  Applied Physics Letters 116, 110501 (2020).

Y. Fan, P. Quarterman, J. Finley, J. Han, P. Zhang, J. T. Hou, M. D. Stiles, A. J. Grutter, and L. Liu, Manipulation of Coupling and Magnon Transport in Magnetic Metal-Insulator Hybrid Structures  Physical Review Applied 13, 061002 (2020).

T. S. Safi, P. Zhang, Y. Fan, Z. Guo, J. Han, E. R. Rosenberg, C. Ross, Y. Tserkovnyak, and L. Liu, Variable spin-charge conversion across metal-insulator transition  Nature Communications 11, 476 (2020).

2019

A. Siddiqui, S. Dutta, A. Tang, L. Liu, C. A. Ross, and M. A. Baldo, “Magnetic domain wall based synaptic and activation function generator for neuromorphic accelerators”. Nano Letters 20, 1033, (2019).

P. Zhang, J. Finley, T. Safi and L. Liu, “Quantitative Study on Current-Induced Effect in an Antiferromagnet Insulator/Pt Bilayer Film”, Phys. Rev. Lett., 123.247206 (2019)

J. Han, P. Zhang, J. T. Hou, S. A. Siddiqui, and L. Liu, “Mutual control of coherent spin waves and magnetic domain walls in a magnonic device”, Science 366, 1121, (2019)

Y. Fan, J. T. Hou, J. Finley, S. K. Kim, Y. Tserkovnyak, and L. Liu, “Electrical manipulation of spin pumping signal through nonlocal thermal magnon transport”. Appl. Phys. Lett. 115, 172405, (2019).

K. Nakagawara, S. Kasai, J. Ryu, S. Mitani, L. Liu, M. Kohda, and J. Nitta, “Temperature-dependent spin Hall effect tunneling spectroscopy in platinum”. Appl. Phys. Lett. 115, 162403, (2019).

J.T. Hou and L. Liu, “Strong Coupling between Microwave Photons and Nanomagnet Magnons”, Physical Review Letters, 123, 107702 (2019)

D. MacNeill, J. Hou, D.R. Klein, P. Zhang, P. Jarillo-Herrero and L. Liu, “Gigahertz frequency antiferromagnetic resonance and strong magnon-magnon coupling in the layered crystal CrCl3”, Physical Review Letters, 123, 047204 (2019)

H. Wang, J. Finley, P. Zhang, J. Han, J. Hou and L. Liu “Spin-Orbit-Torque Switching Mediated by an Antiferromagnetic Insulator” Physical Review Applied, 11, 044070 (2019)

H. Wang, K.Y. Meng, P. Zhang, J. Hou, J. Finley, J. Han, F. Yang and L. Liu, “Large spin-orbit torque observed in epitaxial SrIrO3 thin films” Applied Physics Letters 114, 232406 (2019)

2018

J. Finley, C.H. Lee, P. Huang, L. Q. Liu. “Spin orbit torque switching in compensated Heulser Alloy,” Advanced Materials, 1805361 (2018)

Siddiqui, J. Han, J. Finley, C. Ross, L. Q. Liu, “Current-induced domain wall motion in compensated ferrimagnet,” Physical Review Letters, 121, 057701 (2018)

2017

S. Dutta, S. A. Siddiqui, F. Büttner, L. Liu, C. A. Ross, and M. A. Baldo, ” A Logic-in-Memory Design with 3-Terminal Magnetic Tunnel Junction Function Evaluators for Convolutional Neural Networks”, IEEE/ACM International Symposium on Nanoscale Architectures (NANOARCH), 2017 DOI: 10.1109/NANOARCH.2017.8053724

J. Han, A. Richardella, S. S. Siddiqui, J. Finley, N. Samarth, and L. Q. Liu. Room temperature spin-orbit torque switching induced by a topological insulator. Physical Review Letters, 119,077702 (2017)

2016

J. Finley, L. Q. Liu, “Spin-Orbit Torque Efficiency in Compensated Ferrimagnetic Cobalt-Terbium Alloys”, Physical Review Applied, 6, 054001, (2016)

Earlier Publications:

  1. L. Q. Liu, A. Richardella, I. Garate, Y. Zhu, N. Samarth, C. T. Chen, “Spin-polarized tunneling study of spin-momentum locking in topological insulators”, Physical Review B, 91, 235437(2015)
  2. L. Q. Liu, C. T. Chen, J. Z. Sun, “Spin Hall effect tunnelling spectroscopy”, Nature Physics, 10, 561-566 (2014).
  3. J. Lee, L. Q. Liu, C.F. Pai, H.W. Tseng, Y. Li, D.C. Ralph, R.A. Buhrman, “Central role of domain wall depinning for perpendicular magnetization switching driven by spin torque from the spin Hall effect”, Physical Review B, 89, 024418 (2014)
  4. L. Q. Liu, C.F. Pai, D. C. Ralph and R. A. Buhrman, “Magnetic oscillations driven by the spin Hall effect in 3-terminal magnetic tunnel junction devices”, Physical Review Letters, 109, 186602 (2012)
  5. F. Pai, L. Q. Liu, Y. Li, H. W. Tseng, D. C. Ralph and R. A. Buhrman, “Spin transfer torque devices utilizing the giant spin Hall effect of tungsten”, Applied Physics Letters, 101, 122404 (2012)
  6. L. Q. Liu*, C.-F. Pai*, Y. Li, H. W. Tseng, D. C. Ralph and R. A. Buhrman, “Spin torque switching with the giant spin Hall effect of tantalum”, Science, 336, 555, (2012) (* equal contribution)
  7. L. Q. Liu, O. J. Lee, T. J. Gudmundsen, D. C. Ralph, and R. A. Buhrman, “Current-induced switching of perpendicularly magnetized magnetic layers using spin torque from the spin Hall effect”, Physical Review Letters, 109, 096602 (2012)
  8. L. Q. Liu, Takahiro Moriyama, D. C. Ralph, and R. A. Buhrman, “Spin Torque Ferromagnetic Resonance Induced by the Spin Hall Effect”, Physical Review Letters, 106, 036601 (2011)
  9. C. Ralph, Y.-T. Cui, L. Q. Liu, T. Moriyama, C. Wang, and R. A. Buhrman, “Spin-transfer torque in nanoscale magnetic devices”, Philosophical Transactions of the Royal Society A,369, 3617 (2011)
  10. L. Q. Liu, Takahiro Moriyama, D. C. Ralph, and R. A. Buhrman, “Reduction of the spin-torque critical current by partially canceling the free layer demagnetization field”, Applied Physics Letters, 94, 122508 (2009)