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He received the B. S. (1985), M. S. (1987), and Ph. D. (1993) degrees from Chemistry Department in the Sungkyunkwan University (SKKU), Suwon, Korea. During his M. S. and Ph. D. courses, he has designed and constructed an ultra-high vacuum (UHV) system that consists of various surface analytical instruments such as LEED, AES, XPS, UPS, and TDS operating under UHV conditions. Using the constructed UHV system, he has studied on the surface chemistry of small molecules on transition metal surfaces together with a materials chemistry such as metal-on-metal epitaxy under the guidance of Prof. Soon-Bo Lee. After his Ph. D., he spent one and half years in the Thin Film Materials Laboratory of Korea Research Institute of Chemical Technology (KRICT), Teajon, as a research scientist. In KRICT he was worked with Dr. Yunsoo Kim on single molecular precursor chemical vapor deposition (CVD) of silicon carbide, III-V nitrides, magnesium oxide, and magnesium aluminate epitaxial thin films by thermal CVD, microwave plasma CVD, and RF sputtering methods. He has also built an UHV-CVD and a RHEED systems that are equipped with quadrupole mass spectrometer and Helicon wave plasma sources for diamond and silicon carbide deposition. In 1994, he won a Post-doc. Research Fellowship Award from Korea Science and Engineering Foundation, then he went to the Institute of Physical and Theoretical Chemistry at University of Bonn (Germany). With Prof. Klaus Wandelt he researched on the metal-on-metal heteroepitaxy and interaction of small molecules with both ordered and disordered thin metal film surface alloys or bulk alloy single crystal surfaces. Prior to joining SKKU, he worked with prof. Wilson Ho at the Physics Department of Cornell University (USA) as a visiting scientist. In Cornell University, he has studied on the growth of silicon carbide, boron nitride, and gallium nitride thin films using supersonic single molecular jet epitaxy method and microwave plasma remoted CVD. Since 1997, he has been a faculty member of the Chemistry Department at SKKU, and directs the Materials Science Laboratory. Recently, moreover, he joined with the Center for Advanced Plasma Surface Technology (CAPST ; see in detail from the website http://capst.skku.ac.kr) as well as the BK21 program (http://www.bk21chem.skku.ac.kr) in the SKKU. He has taught general chemistry, thermodynamics, kinetics, vacuum technology, surface physical chemistry, thin film materials chemistry, semiconductors chemistry, plasma chemistry, etc. His short-term goal is to make the epitaxial thin films of carbides, nitrides, and oxides, etc. However, mid-term goal is to be a leading scientist in the field of surface and materials science, and life-term goal is to become an artist and a novel writer. He is now a fellow of American Vacuum Society, Materials Research Society, Korean Chemical Society, and Korean Vacuum Society and has published over 50 articles and holds seven patents. He is married to Hye-Eun Son and has two sons (Jang-Ho and Jang-Heon) and one daughter (Yoon-Young).
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