Xiaojie Chen (Ph. D)

Research Interests

Electronic Materials

• Group IV, II-VI, III-N, III-V semiconductor surfaces and interfaces (reconstructions, thin film coatings);
• Semiconductor heterojunctions (band offsets, defects),
• Thin films growth and reactions on semiconductor surfaces (decomposition of metalorganic compounds, growth energetics).

Ceramics

Fluorination of diamond surfaces, structural properties of carbon nitrides.

Nanotribology

On-going researches in nanotribology (modeling of mechanism of friction and wear, surface manipulations, STM and AFM).

Fullerene

Electronic structure of C60 Fullerene.

Metal surfaces

• Corrosion and wear;
• Diffusion on melting metallic surfaces;
• Surface melting of metals;
• Faceting in metals;
• Calculation of Hamaker constant for metals.

Computational methodologies

A description of researches on the development of new methods in the fields of

• Dual space approach to ab initio density functional computations (GDS/DFT);
• Generalized Car-Parrinello ab initio molecular dynamics (GDS/MD);
• Atomistic molecular dynamics (NVT, NPT, NVE) and modeling of macroscopic hamiltonian (grid boundary condition matching coarse graining);
• Monte-Carlo modeling (thin film growth);
• Application of wavelets to electronic structure computations;

Many-body theory

• Density functional theory (LDA and gradient corrections);
• GW method (non-pertubative many-body approach);
• Atomic density functional theory for liquids.

Statistical Physics

• Ginzburg-Landau theory for displacive phase transitions;
• Theory of critical fluctuations, statistical field theory, instanton;
• Game theory;
• Surface melting and wetting.

Computational Skills

• Computational materials science (electronic materials, ceramics, metals, surfaces, interfaces and bulk);
• Quantum Chemistry, molecular/cluster calculations;
• Working experiences with Gaussian, MSI and Schrodinger softwares;
• Modeling of thin film growth;
• ab initio molecular dynamics;
• Atomistic molecular dynamics;
• Monte-Carlo;
• Large scale program developments;
• Scientific computing in VMS and UNIX environments. Working experiences on DEC-VAX, IBM RISC/6000, Silicon Graphics Iris workstation, FPS model 500, HP 9000 model 735, CRAY-XMP, YMP, YMP-C90, Kendal Square Research (KSR, parallel computer, 32 nodes).

Languages

• English (my working language for the past 10 years)
• Chinese Mandarin (my mother language)
• Taiwanese (my native language)
• Fuokian (my native language, widely used in Asia pacific, Singapore, Hongkong, Taiwan, Malaysia, indonesia, Philippine and Fujian province in China)
• Italian (I have been using since 1981)

Organizational Experiences

• Chairman, Association of Chinese Students and Scholars at The Padova University, 1984-85;
• Chairman, quantum club, Padova, 1984-85.
• Chairman, Association of Chinese Students and Scholars in northeastern Italy, Italy, 1987-88;
• Helped organize The Summer Camp for Chinese Students and Scholars in Italy (under the sponsorship of Italy-China Friendship Association), 1984, 1985.

Publications

Scientific Publications

A list of scientific publications with abstracts.

Society and Politics

Opinions on social and political issues of past and current interests

Education

B.S., with summa cum laude, Physics, Padova University (Italy), (1981-86)

A description of thesis work and related publication and a link to Padova University.
Adviser: Prof. Flavio Toigo (toigo@padova.INFN.IT).

M.S., with highest grade, Condensed Matter Physics, SISSA (Italy), (1986-88)

A description of thesis work and related publication and a link to The International Schoold For Advanced Studies in Triestes (SISSA).
Advisers: Prof. A. C. Levi and Prof. Erio Tosatti. (tosatti@tsmi19.sissa.it).

Ph. D, with summa cum laude, Condensed Matter Physics, SISSA (Italy), (1988-90)

A description of thesis work and related publication and a link to The International Schoold For Advanced Studies in Triestes (SISSA).
Advisers: Prof. A. C. Levi, Prof. Erio Tosatti (tosatti@tsmi19.sissa.it), and Prof. Furio Ercolessi (furio@tsmi19.sissa.it).

Post doctoral studies, Cambridge University (UK), (1990-92)

Research activities at Cavendish Laboratory, Cambridge University, Cambridge, UK.
Collaborators: Prof. Volker Heine ( vh200@phy.cam.ac.uk), R. Godby, Stefane Tautz, Patrick Welch.

Post doctoral studies, California Institute of Technology (USA), (1992-1994)

Research activities at Materials and Molecular Simulation Center, California Institute of Technology, USA.
Collaborators: Prof. W. A. Goddard (wag@wag.caltech.edu), Jean-Marc Langloise, Xinlei Hua.

Life Beyond Academia

• I love my family: Fan and Sophie.
  I love my daughter Sophie Chen
  I love my daughter Sophie Chen
  
• Hobbies
  • I find inspirations everytime I read history of dynasty Ching;
  • My favourite musics are those by Chopin, Debussy, Bethoveen, Mozart;
  • My favourite philosopher is B. Russell;
  • My favourite sports are hiking and socker;
• Random thoughts