研究方向：界面电子学/光电子学，低维电子体系中电荷/自旋/轨道序的电场调控，
四探针扫描隧道显微电子学和量子输运
Research Interests: Interface electronics/optoelectronics, electric-field modulation of charge/spin/orbital order in low-dimensional electronic systems, four-probe scanning tunneling microscopy and quantum transport
Professor Hongtao Yuan is an active young scientist focusing on novel field-effect devices, exotic heterointerfaces, low-temperature physics and electronic transport. He has achieved distinctive research accomplishments especially in the design and development of liquid-gated field-effect transistors and low-temperature electronic transport.His main research works leverage the principle that ionic liquids can form electric double layers on semiconductor surfaces under gate bias. He developed prototype electric-double-layer transistors (EDLTs) using ionic liquids as dielectrics, realizing high performance, low power consumption and high on-current for field-effect transistors on various semiconductors. Furthermore, he extended such novel devices to strongly correlated materials and other quantum material systems, and observed a variety of fascinating gate-tunable interfacial phenomena, including field-effect-induced insulator-superconductor transitions, paramagnet-ferromagnet transitions, spin polarization, as well as generation and modulation of spin photocurrent. His research on electric-double-layer electrostatic modulation has attracted widespread attention worldwide.
Hongtao Yuan obtained his PhD in the group of Qikun Xue from the Institute of Physics, Chinese Academy of Sciences in 2007. Afterwards, he carried out postdoctoral research in the group of Yoshihiro Iwasa at Tohoku University, Japan. From 2010 to 2012, he moved with the Iwasa group to the Department of Applied Physics and the Center for Quantum Phase Electronics at the University of Tokyo, serving successively as Research Associate and Assistant Professor. In early 2012, he joined the groups of Yi Cui and Harold Hwang at Stanford University as Research Associate and later SLAC Associate Staff Scientist, investigating field-effect modulation of physical properties in two-dimensional quantum systems.He was selected for the National Young Talent Program in 2017 and joined the College of Engineering and Applied Sciences, Nanjing University as Professor and Doctoral Supervisor. As of April 2019, he has published more than 80 papers in high-impact journals, including 17 in Science and Nature family journals (1 in Science, 8 in Nature Nanotechnology, 1 in Nature Materials, 1 in Nature Physics, 5 in Nature Communications), together with 3 invited review articles. His work has received over 6000 citations with an H-index of 34. He holds 18 authorized domestic and international patents. He has delivered more than 20 invited talks at major international conferences including APS, MRS, ECS and MMM Meetings. He currently works as an ad-hoc reviewer for journals such as Nature, Nature Nanotechnology, Nature Physics and Nature Communications.
