梁正宏 特聘教授(院內合聘,核工所主聘)

圖片說明

Jenq-Horng Liang (梁正宏)

Adjunct Professor Department of Engineering and System Science
PhD, University of Wisconsin

Fields of Interest

  • Ion Implantation
  • Accelerator Analysis
  • Plasma Applications
  • Medical Physics
  • Radiation Shielding
  • Nuclear Fuel management

Research Statement

 

Doping materials:Conduct theoretical and experimental investigations of as-implanted and as-annealed dopant depth profiles due to ion implantation

Metal silicide film formation:Perform ion beam synthesis (IBS) in fabricating WSi2, MoSi2, TaSi2, NiSi2 etc. thin films for modern semiconductor electronic devices

Ion beam analysis:Work on ion beam analysis (IBA) for characterizing material surface properties, such as Rutherford backscattering with channeling (RBS/C) techniques for identifying damage depth profiles

Carrier depth profile measurements:Employ scanning capacitance microscopy (SCM) together with atomic force microscopy (AFM) in probing 2-D carrier depth profiles

Surface modification of materials:Advance plasma immersion ion implantation (PIII) techniques in treating material’s surface properties modification

Simulation chemical erosion:Develop computer simulation of chemical erosion of graphite (via forming volatile molecules such as CH4) due to bombardment of H, D, T ions in nuclear fusion reactors

Ion-surface interaction:Lead novel techniques in detecting ion-surface interaction such as energy loss due to ion implantation

Polyatomic ion implantation:Direct innovative molecular and cluster ion implantation techniques in modern ultra-shallow junction device processing

Dynamic ion implantation:Explore ion transport behaviors in materials due to high fluence and high fluence rate ion implantation

Smart cut applications:Exploit smart cut techniques in manufacturing Si-On-Insulator (SOI) devices

Molecular dynamics simulation:Extend molecular dynamics (MD) method in simulating radiation damage due to ion implantation

Radiation detector improvements:Upgrade Moxon-Rae gamma-ray detector in geometric configuration, detection efficiency, and 2-D detection applicability

Radioactive stent development:Use the endovascular irradiation method for effectively suppressing the proliferation of intimal muscle cells in order to lessen narrowing or restenosis in the vessels

Epidemic origin discovery:Endeavor the discovery of epidemic origin such as Chlamydia trachomatis (C.T.) IgG for localized people

Nuclear medicine production:Utilize cyclotron in producing radioactive nuclear medicine

Nuclear fuel management:Operate computer simulation of nuclear fuel management studies such as core loading pattern and fuel misleading analysis for commercialized nuclear fission reactors

 

Publications (Selected):

  1. J.H. Liang and K.Y. Liao, "Improved algorithm for calculation of range and range straggling in ion implantation," Nuclear Instruments and Methods, B119 (1996) 331-336.
  2. J.H. Liang and K.Y. Liao, "Skewness of implanted ion profiles," Radiation Effects and Defects in Solids, 143 (1998) 225-238.
  3. J.H. Liang, "Theoretical formulation for calculating lateral spread of implanted ions," Nuclear Instruments and Methods, B134 (1998) 157-160.
  4. S.H. Jiang, J.H. Liang, J.T. Chou, U.T. Lin, and W.W. Yeh, "A hybrid method for calculating absolute peak efficiency of germanium detectors," Nuclear Instruments and Methods, A413 (1998) 281-292.
  5. J.H. Liang and D.S. Chao, "Formation of tungsten silicide film by ion beam synthesis," Surface and Coating Technology, 140 (2001) 116-121.
  6. .J.H. Liang, M. Mayer, J. Roth, and W. Eckstein, "Computer simulation of chemical erosion of graphite due to hydrogen ion bombardment," Nuclear Instruments and Methods, B202 (2003) 195-200.
  7. J.H. Liang and S.L. Chiang, "Characterization of BSi molecular ion implantation," Nuclear Instruments and Methods, B206 (2003) 932-936.

Email:

jhliang@ess.nthu.edu.tw

Phone:

(+886) (03) 5715131 ext.42668

Office:

ESSBuilding, R512

Address:

National Tsing Hua University
Department of Engineering and System Science
Sec. 2, Kuang-Fu Road, Hsinchu, 30013, Taiwan

For More Information:

http://www2.ess.nthu.edu.tw/lab/ionlab/