Prior to joining Exponent, Dr. Xi had 9 years of experience in providing consultation and testing services to industrial clients in failure analysis, materials evaluation, identification and characterization, quality control and R&D methods on a wide variety of materials including polymers, thin films, coatings, nano-materials, PCB lead frames, electro-plating materials and photovoltaic cells.
Dr. Xi has extensive experience in surface science analytical methods including Time-of-Flight Secondary Ion Mass Spectrometry (ToF-SIMS), X-ray Photoelectron Spectroscopy (XPS), Atomic Force Microscopy (AFM), Scanning Tunneling Microscopy (STM), Scanning Electron Microscopy (SEM), Fourier Transform Infrared (FTIR) spectroscopy and X-ray Fluorescence (XRF) spectroscopy.
CREDENTIALS & PROFESSIONAL HONORS
- Ph.D., Physics, Chinese University of Hong Kong, 2005
- M.Phil., Condensed Matter Physics, Peking University, China, 2002
- B.S., Theoretical Physics, Northwest University, P. R. China, 1999
- Mandarin Chinese
- Cantonese Chinese
Ghonaim NW, Nieradko M, Xi L, Nie H-Y, Francis JT, Grizzi O, Yeung KKC, Lau LWM. Primary ion fluence dependence in time-of-flight SIMS of self-assembled monolayer of alkyl thiol molecules on Au (111)-Discussion of static limit. Applied Surface Science 2008; 255(4):1029–1032.
Singh S, Festin M, Barden WRT, Xi L, Francis JT, Kruse P. Universal method for the fabrication of detachable ultrathin films of transition metal oxides. ACS Nano 2008; 2(11):2363–2373.
Xi L, Zheng Z, Lam N-S, Nie H-Y, Grizzi O, Lau WM. Study of the hyperthermal proton bombardment effects on self-assembled monolayers of dodecanethiol on Au(111). Journal of Physical Chemistry C 2008; 112(32):12111–12115.
Dou R-F, Ma X-C, Xi L, Yip HL, Wong KY, Lau WM, Fan X-L, Jia J-F, Xue Q-K, Yang W.S., Ma H, Jen AK-Y. Stability and flexibility of self-assembled monolayers of thiols consisting of a horizontal large π-system and a vertical spacer. Journal of Physics: Condensed Matter 2008; 20(31):315012.
Lau WM, Zheng Z, Wang YH, Luo Y, Xi L, Wong KW. Cross-linking organic semiconducting molecules by preferential C-H cleavage via “chemistry with a tiny hammer.” Canadian Journal of Chemistry-Revue Canadienne de Chimie 2007; 85(10):859–865.
Nieradko M, Ghonaim NW, Luan X, Nie HY, Francis J, Grizzi O,Yeung K, Lau WM. Primary ion fluence dependence in time-of-flight SIMS of a self-assembled monolayer of octadecylphosphonic acid molecules on mica discussion of static limit. Canadian Journal of Chemistry-Revue Canadienne de Chimie 2007; 85(12):1075–1082.
Rodriguez L, Gayone JE, Sanchez EA, Grizzi O, Blum B, Salvarezza RC, Xi L, Lau WM. Gas phase formation of dense alkanethiol layers on GaAs(110). Journal of the American Chemical Society 2007; 129(25):7807–7813.
Rodriguez L, Gayone JE, Martiarena ML, Sanchez EA, Grizzi O, Blum B, Salvarezza RC, Xi L, Lau WM. Direct recoil spectroscopy of alkanethiol covered surfaces. Nuclear Instruments and Methods in Physics Research Section B – Beam Interactions with Materials and Atoms 2007; 258(1):183–188.
Xi L, Zheng Z, Lam N-S, Grizzi O, Lau W-M. Effects of hyperthermal proton bombardment on alkanethiol self-assembled monolayer on Au (111). Applied Surface Science 2007; 254(1):113–115.
Xi L, Ma L-Y, He K, Wang Z-T, Xue Q-K, Xiao X-D, Lau W-M. Study of Fe deposition onto - Al/ Si (111) template by scanning tunneling microscopy. Surface Science 2006; 600(15):3072–3078.
Dou R-F, Ma X-C, Xi L, Yip HL, Wong KY, Lau WM, Jia J-F, Xue Q-K, Yang WS, Ma H, Alex K-Y. Self-assembled monolayers of aromatic thiols stabilized by parallel-displaced π-π stacking interactions. Langmuir 2006; 22(7):3049–3056.
Xue K, Xu J-B, Xi L, An J, Chen J. In situ fabrication and characterization of tungsten nanodots on SiO2/Si via field induced nanocontact with a scanning tunneling microscope. Nanotechnology 2005; 16(12):2993–3000.
Chow H-F, Leung C-F, Xi L, Lao LWM. Synthesis and characterization of outer sphere-outer sphere connected organoplatinum dendritic networks from surface-difunctionalized and surface-trifunctionalized dendritic monomers. Macromolecules 2004; 37(10):3595–3605.
Chow H-F, Leung C-F, Wei Li, Wong KW, Xi L. Synthesis and characterization of dendritic necklaces: A class of outer-sphere-outer-sphere connected dendronized organoplatinum polymers. Angewandte Chemie – International Edition 2003; 42(40):4919–4923.
Luan X, Yunfeng S, Jiandong G, Gongcheng X. Dynamic measurement of the Hall effects versus temperature in high Tc superconductor. Chinese Journal of Low Temperature Physics 2002; 24(1):1–6.
Xiaoyun H, Yinsui Z, Aihua G, Luan X, Zhiguo Lu. The structure of TiO2 and SiO2 optical coatings prepared by Sol-Gel method. ACTA Photonica SINICA 2000; 29(8):730–733.
Engineer, Hong Kong Science and Technology Parks Corporation, Hong Kong, 2007–2015
Postdoctoral Fellow at Surface Science Western, University of Western Ontario, Canada, 2006-2007
Research Associate in the Department of Physics, Chinese University of Hong Kong, 2005–2006