Invited talk

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10

Improvement of Grain-Boundary Conduction in Acceptor-Doped Ceria

Jong-Heun Lee,  The International Union of Materials Research Societies - International Conference in Asia, (December 9-13, 2008, Nagoya, Japan)
9

Estimation of Resistive Intergranular Phase in Soild Electrolyte using Milicontact Impedance Spectroscopy

Jong-Heun Lee,  The 34th Symposium on Solid State Ionics, (December 3-5, 2008, Tokyo, Japan)
8

Nanocrystalline Oxide Semiconductor Gas Sensor: The Factors to Determine Gas Response and Recovery Kinetics

Jong-Heun Lee, VI International Workshop on Semiconductor Gas Sensors, (September 14-19, 2008, Zakopane, Poland) 
7

Fast Responding Oxide Semiconductor Gas Sensor

Jong-Heun Lee, 12th International Meeting on Chemical Sensors, (July 13-16, 2008, Ohio, USA)
6

 Design of Fast-Responding Gas Sensors Using Nano-Porous Structures

Jong-Heun Lee, The 7th East Asian Conference on Chemical Sensors, (December 3-5, 2007, Singapore)
5

Millicontact Impedance Spectroscopic Analysis and Grain-Boundary Engineering in Stabilized Zirconia and Gadolinia-Doped Ceria

Jong-Heun Lee,  The 16th International Conference on Solid State Ionics, (July 1-6, 2007, Shanghai, China)
4

 Microstructural Evolution and Dielectric Properties of CaCu3Ti4O12 Ceramics: The effect of CuO and SiO2 addition

Jong-Heun Lee, Kang-Min Kim, Doh-Hyung Riu, Sung Bo Lee, and Doh-Yeon Kim, International Symposium on Electroceramics 2007, (May 17-18, 2007, Seoul, Korea)
3

New Chemical Routes to Highly Integrated Multilayer Ceramic Capacitor

Jong-Heun Lee, Jae-Young Choi, Yong-Kyun Lee, Seon-Mi Yoon, and Seong-Hyeon Hong, The 5th Asian Meeting on Electroceramics, (December 10-14, 2006, Bangkok, Thailand)
2

 Zirconia Air-Fuel Ratio Sensors: Evolution and New Sensor Designs

Jong-Heun Lee, The 6th East Asian Conference on Chemical Sensors (November 6 - 9, 2005, Guilin, China)
1

 New approaches to estimate and improve grain-boundary conduction in stabilized zirconia

Jong-Heun Lee,  International Conference on Electroceramics 2005 (June 12 - 15, 2005, KIST, Seoul, Korea)