
Yongjie Hu
PROFESSOR / VICE CHAIR UNDERGRADUATE EDUCATION
MECHANICAL AND AEROSPACE ENGINEERING
37-130, Eng IV
Email: yhu@seas.ucla.eduPhone: (310) 825-3583
Websites
RESEARCH AND INTERESTS
Heat transfer and electron transport in nanostructures, interfaces & packaging. Thermal, electronic, optoelectronic, thermoelectric devices and systems. Energy conversion, storage and thermal management. Ultrafast optical spectroscopy and high-frequency electronics. Nanomaterials design, processing and manufacturing.
NOTABLE PUBLICATIONS
- J.S. Kang, M. Li, H. Wu, H. Nguyen, and Y. Hu, “Experimental observation of high thermal conductivity in boron arsenide,” Science 361, 575 (2018).
- M. Li, J.S. Kang, and Y. Hu, “Anisotropic thermal conductivity measurement using a new Asymmetric-Beam Time-Domain Thermoreflectance (AB-TDTR) method,” Review of Scientific Instruments 89, 084901 (2018).
- J.S. Kang, H. Wu; and Y. Hu, “Thermal properties and phonon spectral Mapping of boron phosphide through nanoscale ballistic transport for high thermal conductivity applications,” Nano Letters 17, 7507 (2017).
- J.S. Kang, M. Ke and Y. Hu, “Ionic intercalation in 2D van der Waals materials: in-situ electrochemical control of the anisotropic thermal conductivity of black phosphorus,” Nano Letters 17, 1431(2017).
- Z. Lin, C. Hollar, J.S. Kang, A. Yin, Y. Wang, H. Shiu, Y. Huang, Y. Hu, Y. Zhang, and X. Duan, “A solution processable high-performance thermoelectric copper selenide thin film,” Advanced Materials 29, 1606662:1-6 (2017).
- L. Zeng, K.C. Collins, Y. Hu, M.N. Luckyanova, A.A. Maznev, S. Huberman, V. Chiloyan, J. Zhou, X. Huang, K.A. Nelson, and G. Chen, “Measuring phonon mean free path distributions by probing quasiballsitic phonon transport in grating nanostructures,” Scientific Reports 5, 17131 (2015).
- B. Lv, Y. Lan, X. Wang, Q. Zhang, Y. Hu, A. Jacobson, B. David, G. Chen, Z. Ren, C. Chu, “Experimental study of the proposed super-thermal-conductor: BAs,” Appl. Phys. Lett. 106, 074105 (2015).
- Y. Hu, L. Zeng, A. J. Minnich, M. S. Dresselhaus, and G. Chen, “Spectral mapping of thermal conductivity through nanoscale ballistic transport,” Nature Nanotechnology 10, 701 (2015).
- Y. Hu, F. Kuemmeth, C. Lieber and C. Marcus, “Hole spin relaxation in Ge–Si core–shell nanowire qubits,” Nature Nanotechnology 7, 47-50 (2012).
- H. Yan, H. Choe, S. Nam, Y. Hu, S. Das, J. Klemic, J. Ellenbogen and C. Lieber, “Programmable nanowire nanoprocessor, ” Nature 470, 240-244 (2011).
- P. Xie, Y. Hu, Y. Fang, J. Huang and C. Lieber, “Diameter-dependent dopant location in silicon and germanium nanowires,” Proc. Natl. Acad. Sci. USA, 106, 15254-15258 (2009).
- C. Wang, Y. Hu, C. Lieber and S. Sun, “Ultrathin Au nanowires and their transport properties,” J. Am. Chem. Soc. 130, 8902-8903 (2008).
- Y. Hu, J. Xiang, G. Liang, H. Yan and C. Lieber, “Sub-100 nanometer channel length Ge/Si nanowire transistors with potential for 2 THz switching speed,” Nano Letters 8, 925-930 (2008).
- Y. Hu, H. Churchill, D. Reilly, J. Xiang, C. Lieber and C. Marcus, “A Ge/Si heterostructure nanowire-based double quantum dot with integrated charge sensor,” Nature Nanotechnology 2, 622-625 (2007).
- J. Xiang, W. Lu, Y. Hu, Y. Wu, H. Yan and C. Lieber, “Ge/Si nanowire heterostructures as high-performance field-effect transistors,” Nature 441, 489-493 (2006).
IN THE NEWS
- UCLA Researchers Develop Solid-State Thermal Transistor | EP&T, January 2024
- Scientists Finally Invent Heat-Controlling Circuitry That Keeps Electronics Cool | Scientific American, January 2024
- Strange Material Breaks a Classic Rule of Physics | Scientific American, April 2023
- This Semiconductor Breaks the Rules of Physics Under Pressure | Chemical & Engineering News, December 2022
- Research Unearths Obscure Heat Transfer Behaviors | Science Daily, November 2022
- To Handle the Heat, Researchers Add Boron Arsenide to High-Power Computer Chips | Medical Design Briefs, October 2021
EDUCATION
- Harvard University, 2012
- Massachusetts Institute of Technology, 2014
AWARDS AND RECOGNITION
- 2020 Vernroy Makoto Watanabe Excellence in Research Award
- 2019 ASME Bergles-Rohsenow Young Investigator Award in Heat Transfer
- 2019 National Academy of Engineering (NAE) U.S. Frontiers of Engineering
- 2019 Alfred P. Sloan Research Fellowship
- 2018 UCLA Faculty Career Development Award
- 2018 NSF CAREER Award
- 2017 Air Force Young Investigator Award
- 2017 American Chemical Society Doctoral New Investigator Award