Department of Physics & Astronomy

Yongtao Cui

Yongtao Cui

Yongtao Cui

Assistant Professor

Office: MS&E 242
Telephone: 951-827-5395
Email: yongtao.cui@ucr.edu
Fax: 951-827-4529

Personal Home Page

Research Interests:

  • Experimental Condensed Matter Physics, Nanoscale Physics


Ph.D. 2011, Cornell University

Current Research:

The research in our group focuses on the study of quantum materials which exhibit unusual electronic and spintronic properties on the nanoscale. We employ a variety of techniques, including a unique scanning Microwave Impedance Microscopy (MIM) that is capable of spatially resolving materials’ electrical properties (conductivity and dielectric constant), as well as nanofabrication and quantum transport, to discover emergent electronic phenomena in quantum materials and understand the underlying physics. Currently we are investigating various low dimensional electronic systems such as atomically thin 2D materials, and materials interfaces like boundaries, domain walls, and hetero-structures. We are particularly interested in study of topological phenomena in such 2D systems and also identification of new types of interface electronic states. We also have an interest in developing advanced electrical characterization techniques that will enhance our capabilities to probe these materials.

Selected Publications:

  1. “Mobile metallic domain walls in an all-in-all-out magnetic insulator”, E. Y. Ma*, Y.-T. Cui*, K. Ueda*, S. Tang, K. Chen, N. Tamura, P. M. Wu, J. Fujioka, Y. Tokura, Z.-X. Shen. Science 350, 538 (2015). (* Equal contribution)
  2. “Interface Ferroelectric Transition near the Gap Opening Temperature in Single Unit Cell FeSe Film Grown on Nb-doped SrTiO3 Substrate.”, Y.-T. Cui, R. G. Moore, A.-M. Zhang, Y. Tian, J. J. Lee, F. T. Schmitt, W.-H. Zhang, W. Li, M. Yi, Z.-K. Liu, M. Hashimoto, Y. Zhang, D.-H. Lu, T. P. Devereaux, L. Wang, X.-C. Ma, Q.-M. Zhang, Q.-K. Xue, D.-H. Lee, Z.-X. Shen. Phys. Rev. Lett. 114, 037002 (2015).
  3. “Single-shot time-domain studies of spin-torque-driven switching in magnetic tunnel junctions.”, Y.-T. Cui, G. Finocchio, C. Wang, J. A. Katine, R. A. Buhrman, and D. C. Ralph. Phys. Rev. Lett. 104, 097201 (2010). Selected as a Viewpoint in Physics.
  4. “Resonant spin-transfer-driven switching of magnetic devices assisted by microwave current pulses.”, Y.-T. Cui, J. C. Sankey, C. Wang, K. V. Thadani, Z.-P. Li, R. A. Buhrman, and D. C. Ralph. Phys. Rev. B 77, 214440 (2008). Selected as an Editor’s Suggestion.

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Maynard, Bonnie; Chair's Assistant, Academic Personnel
E-mail: bonnie.maynard@ucr.edu