Seoul National Univ. DMSE

People

Faculty

Hwang, Nong-moon
황농문

Email

nmhwang@snu.ac.kr

Mailstop

33-309

Phone

880-8922

Fax

885-3292

Education

  • 2006
Ph.D. : Massachusetts Institute of Technology (MIT), Department of Materials Science and Engineering
  • 2002
M.S : Seoul National University, Department of Fiber and Polymer Science
  • 2000
B.S. : Seoul National University, Department of Materials Science and Engineering

Career

  • 2006 ~ 2009
Forschungszentrum Karlsruhe (KIT), Germany Postdoctoral Fellow
  • 2009 ~ 2015

Korea Institute of Science and Technology (KIST)
High Temperature Energy Materials Research Center Senior Research Scientist

  • 2015 ~ 2018

Korea Institute of Science and Technology (KIST)
High Temperature Energy Materials Research Center Principal Research Scientis
t

  • 2018 ~ present

Associate Professor, Seoul National University

Research Interests

1. High Strength / High Temperature Alloys

2. Nano Mechanics and Nano Structure Design for Ultra Strong Materials

3. Shape and Pattern Design for Engineering Materials

4. Flexible and Stretchable Devices

5. Algorithmic Kirigami for Structure Design

Selected Publications

Yu-Ki Lee, Zhonghua Xi, Young-Joo Lee, Yun-Hyeong Kim, Yue Hao, Hongjin Choi, Myoung-Gyu Lee, Young-Chang Joo, Changsoon Kim, Jyh-Ming Lien*, In-Suk Choi*, “Computational kirigami wrapping: a universal method to wrap 3D-curved surfaces forconformal devices for conformal devices with non-stretchable materials beyond materiality “, Science Advances (2020), 6(5), eaax6212

So-Yeon Lee, Kyung Roul Park, Sung-gyu Kang, Ji-Hoon Lee, Eun-chae Jeon, Cheol-Hwee Shim, Jae Pyong Ahn, Dong-Ik Kim, Heung Nam Han, Young-Chang Joo*, Changsoon Kim*, and In-Suk Choi*, “Selective crack suppression during deformation in metalfilms on polymer substrates using electron beam irradiation”, Nature Communications (2019), 10, 4454

Kee-Bum Kim, Young-Joo Lee, Avelino Costa, Yu-Ki Lee, Tae-Sik Jang, Myoung-Gyu Lee, Young-Chang Joo, Kyu Hwan Oh, Juha Song*, and In-Suk Choi*,”Extremely Versatile Deformability beyond Materiality: A New Material Platform through Simple Cuttingfor Rugged Batteries”, Advanced Engineering Materials (2019), 1900206

Srinivasan Swaminathan, Sung-Min Hong, Manoj Kumar, Woo-Sang Jung, Dong-Ik Kim, Harpreet Singh*, and In-Suk Choi*,”Microstructural evolution and high temperature oxidation characteristics of cold sprayed Ni-20Cr nanostructured alloy coating”,Surface and Coatings Technology (2019), 362, pp.333-344.

S.G. Kang, D.Y. Moon, J. H. Jang, J.Y. Kim, J.Y. Suh, E.J. Yoon, H.N. Han*, I.S. Choi*, “Flaw-containing Alumina hollow nanostructures have ultrahigh fracture strength to be incorporated into high-efficiency GaN LEDs”, Nano Letters (2018),vol 18, p 1323–1330

Faculty

Hwang, Nong-moon
황농문

Email

nmhwang@snu.ac.kr

Mailstop

33-309

Phone

880-8922

Fax

885-3292

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 substrates2. 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 CNTs3. 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)
[Total of ~200 International Journal Papers]

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

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