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 201408121731558463.jpg 황농문 Nong-moon Hwang, Ph.D.
Materials Science , Electronic Materials
Email : nmhwang@snu.ac.kr
Mailstop : 33-212
Phone : +82-2-880-8922
Fax : +82-2-883-8197
Homepage : http://tfml.snu.ac.kr/



Education

1986
Ph.D : Korea Advanced Institute of Science and Technology, Department of Materials Science and Engineering
1983
M.S : Korea Advanced Institute of Science and Technology, Department of Materials Science and Engineering
1981
B.S : Seoul National University, Department of Metallurgical Engineering

Career

2003-Current
Seoul National University, Department of Materials Science and Engineering, Professor
1996
National Research Institute of metals, Tsukuba, Japan, Visiting Scientist
1989-1990
National Institute of Standards and Technology, USA, Visiting Scientist
1986-2003
KRISS, Senior Research Scientist

Research Interests

1. The growth mechanism of thin films, nanowires, and nanotubes based on the theory of charged nanoparticles
* Detecting charged nano-particles during CVD with a differential mobility analyzer (DMA) and a particle beam mass spectroscopy (PBMS)
* Comparison of deposition behavior between electrically floated and grounded substrates

2. Applications based on the theory of charged nanoparticles
* Low temperature deposition of crystalline Si and SiNx
* Synthesis of Si nanowires, ZnO nanowires, GaN nanowires, and CNTs

3. Microstructure control of films and nanostructures by applying the electric bias during deposition
* DC and AC biases4. The theory of solid-state wetting as a mechanism of secondary recrystallization of metals* Computer simulations for secondary recrystallization 
* Goss selective growth in Fe-3%Si steel 
* The role of sub-boundaries in secondary recrystallization

Selected Publications

1. Patents
* Method of depositing films using bias, (KOR 10-0846718-0000) (2008) 
* Method of forming silicon nitride at low temperature, charge trap memory device comprising crystalline nano dots formed using the same and method of manufacturing charge trap memory device, (US 12/213,329) (2008) 
* Method for production of thin film and apparatus for manufacturing the same, (KOR 8793309.9) (2009) 
* Apparatus and method of films using bias and charging behavior of nanoparticles formed during chmical vapor deposition, (KOR 12/440,304) (2009)

[Total of 23 domestic and international patents]

2. Papers
* "Charged Clusters in Thin Film Growth", Intern. Mater. Rev., 49, 171 (2004) (Review Article) 
* "Effect of Interface Structure on the Microstructural Evolution of Ceramics", J. Am. Ceram. Soc. , 89, 2369 (2006) (Feature Article) 
* "Effect of Bias Applied to Hot Wires on Generation of Positive and Negative Charges during Silicon Hot Wire Chemical Vapor Deposition", J. Phys. Chem. C, 89, 2369 (2009) 
* "Abnormal Grain Growth of Goss grains in Fe-3% Si steel driven by sub-boundary-enhanced solid-state wetting: Analysis by Monte Carlo simulation", Acta Mater., 58, 4414 (2010) 
* "Charged nanoparticles in thin film and nanostructure growth by chemical vapour deposition", J. Phys. D Appl. Phys., 43, 483001 (2010) (Review Article) 
* "Low temperature deposition of crystalline silicon on glass by hot wire chemical vapor deposition", J. Cryst. Growth, 327, 57 (2011)
* "Non-Classical Crystallization of Thin Films and Nanostructures in CVD Process", CVD-InTech (2016) (Review Articles)
* "Synthesis of nanostructures using charged nanoparticles spontaneously generated in the gas phase during chemical vapor deposition", J. Phys. D Appl. Phys., 51, 463002 (2016) (Review Articles)

[Total of >200 International Journal Papers]

3. Books
* "Thermodynamics and Kinetics in the Synthesis of Monodisperse Nanoparticles", INTECH Open Access Publisher (2012)
* "Diamond: Low-Pressure Synthesis", Reference Module in Materials Science and Materials Engineering, Elsevier (2016)
* "Non-Classical Crystallization of Thin Films and Nanostructures in CVD and PVD Processes", Springer (2016)

Lab overview

1. Effect of electrostatic energy on selective deposition during CVD
* Comparison of the electrostatic energy between charged nanoparticles and conducting or insulating substrates

2. Effect of electrostatic energy on the growth of nanowires, nanosheets and films

3. Self-assembly of charged nanoparticles and charge-induced atomic diffusion* Thin film solar cells with high efficiency using low temperature crystalline Si

4. Effect of sub-boundary and precipitates on abnormal grain growth




서울 관악구 관악로 1 서울대학교, 재료공학부 31동 314호 박막및미세조직실험실 (08826)
Thin Films and Microstructure Lab., 31-314 Department of Materials Science and Engineering, Seoul National Univ., 1 Gwanak-ro, Gwanak-gu, Seoul, Korea (Zip 08826)
TEL +82-2-880-9152 (31-314), +82-2-880-8862 (30-304), +82-2-880-5511 (131-404)

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