Search Results - "Chae, Ki Woong"

Crystal Structure and Thermal Expansion Coefficient of Cordierite Honeycomb Ceramics by Son, Min‐A, Chae, Ki‐Woong, Kim, Jeong Seog, Kim, Shin‐Han

“…Cordierite honeycomb ceramics are sintered under a range of sintering atmosphere and temperature conditions. The linear thermal expansion coefficient (CTE) is…”
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Millimeter-Wave Dielectric Properties of Cordierite/Indialite Glass Ceramics by Ohsato, Hitoshi, Kim, Jeong-Seog, Kim, A-Young, Cheon, Chae-Il, Chae, Ki-Woong

“…Millimeter-wave wireless communications with high data transfer and radar system for Pre-Crash Safety System have been developed recently. Cordierite (Mg 2 Al…”
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Low-temperature solution growth of ZnO nanotube arrays by Chae, Ki-Woong, Zhang, Qifeng, Kim, Jeong Seog, Jeong, Yoon-Ha, Cao, Guozhong

“…Single crystal ZnO nanotube arrays were synthesized at low temperature in an aqueous solution containing zinc nitrate and hexamethylenetetramine. It was found…”
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The 8-inch free-standing CVD diamond wafer fabricated by DC-PACVD by Chae, Ki-Woong, Baik, Young-Joon, Park, Jong-Keuk, Lee, Wook-Seong

“…We report the fabrication of the 8-inch free-standing CVD diamond wafers by DC-PACVD process with the diode-type electrode configuration. Methane–hydrogen gas…”
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Structural origin of negative thermal expansion of cordierite honeycomb ceramics and crystal phase evolution with sintering temperature by Son, Min-A, Chae, Ki-Woong, Kim, Jeong Seog, Kim, Shin-Han

“…The structural origin of the negative coefficient of thermal expansion (CTE) along the c-axis in cordierite is investigated using high temperature X-ray…”
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Effect of sintering atmosphere on the crystallizations, porosity, and thermal expansion coefficient of cordierite honeycomb ceramics by Chae, Ki-Woong, Son, Min-A, Park, So-Jeong, Kim, Jeong Seog, Kim, Shin-Han

“…High-porosity cordierite ceramics were sintered in two different atmospheres, that is, in air (oxidizing) or in double-enclosed crucibles (mildly reducing)…”
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Effect of Sintering Temperature on the Ferroelectric Properties and the Electro-caloric Effect in Barium-Titanate Ceramics by Kim, Bit Chan, Chae, Ki Woong, Cheon, Chae Il

“…BaTiO 3 ceramics were fabricated at various sintering temperatures by using a conventional solid-oxide reaction method. The ferroelectric properties and the…”
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Photoelectrochemical performance of ZnO thin film anodes prepared by solution method by NGUYEN, Dang-Thanh, SHIN, Eui-Chol, CHO, Dong-Chun, CHAE, Ki-Woong, LEE, Jong-Sook

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Photoluminescence and structural characteristics of double tungstates A(M1−X PrX)W2O8 (A=Li, Cs, M=Al, Sc, La) by Lee, Kyoung Ho, Chae, Ki-Woong, Cheon, Chae Il, Kim, Jeong Seog

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Enhanced phase miscibility and luminescence by inducing oxygen vacancies in Ce1−xEuxO2−δ under a strongly reducing atmosphere by Chae, Ki-Woong, Park, Ta-Ryeong, Il Cheon, Chae, In Cho, Nam, Seog Kim, Jeong

“…A novel synthetic process was used to achieve complete solid solubility in micrometer-sized Ce1−xEuxO2−δ (x=0.15, 0.3) particles at temperatures ≤1300°C with…”
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Microwave dielectric ceramics with rare-earth elements (I) by Ohsato, Hitoshi, Kagomiya, Isao, Chae, Ki-Woong

“…Nearly half of the microwave dielectric materials include rare-earth elements based on a database presented by M. T. Sebastian. The presence of rare-earth…”
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Transparent and highly luminescent Eu-oxide thin film phosphors on sapphire substrates by Chae, Ki-Woong, Park, Ta-Ryeong, Cheon, Chae Il, Cho, Nam In, Kim, Jeong Seog

“…Transparent and highly luminescent thin film phosphors were prepared by the thermal evaporation of Euoxide and its subsequent deposition on (006) sapphire…”
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Adhesion strength of diamond films on heat-treated WC–Co cutting tools by Chae, Ki-Woong, Park, Jong-Keuk, Lee, Wook-Seong

“…The adhesion strength and deposition behavior of diamond films with different grain size onto heat-treated WC–Co cutting tool inserts were investigated. The…”
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Crystal structure and piezoelectric properties of KNbO3-BiFeO3 ceramics by Choi, Jin Hong, Kim, Jeong Seog, Hong, Seok Bum, Chae, Ki Woong, Cheon, Chae Il

“…The crystal structure, microstructure, and piezoelectric properties of 1-wt% MnO-doped (1 − x )KNbO 3 - x BiFeO 3 ( x = 0 ∼ 0.05) ceramics were investigated…”
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Millimeter-Wave Dielectric Properties of Cordierite/Indialite Glass Ceramics by Ohsato, Hitoshi, Kim, Jeong-Seog, Kim, A-Young, Cheon, Chae-Il, Chae, Ki-Woong

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Diamond thick film deposition in wafer scale using single-cathode direct current plasma assisted chemical vapour deposition by Lee, Wook-Seong, Baik, Young-Joon, Chae, Ki-Woong

“…Deposition behavior of CVD diamond thick film by direct current (DC) plasma assisted chemical vapour deposition method was investigated on a wafer scale of 4…”
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Low temperature sintering and enhanced piezoelectric properties of BiFeO3–BaTiO3 ceramics by homogeneous calcination by Kim, Kang San, Choi, Ye Rok, Chae, Ki Woong, Kim, Jeong Seog, Cheon, Chae Il

“…The effect of calcination process on a phase evolution, a microstructure development and the piezoelectric properties were investigated in…”
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Diffusion induced recrystallization of TiC by Chae, Ki-Woong, Hwang, Cheol Seong, Kim, Doh-Yeon, Cho, Seong-Jai

“…When large TiC particles (30 μm in average) are embedded in Cr 3C 2 powders and heat-treated at 1550°C, recrystallization occurs from the surface of the TiC…”
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Persistent luminescence of RE3+ co-doped Sr3B2O6:Eu2+ yellow phosphors (RE = Nd, Gd, Dy) by Chae, Ki-Woong, Park, Ta-Ryeong, Cheon, Chae II, Kim, Jeong Seog

“…Bright and persistent luminescence in the yellow to reddish region was observed in newly developed Sr3−x-yB2O6:xEu2+,yRE3+ (RE = Nd, Gd, Dy) phosphors. The…”
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The pronounced grain size refinement at the edge position of the diamond-coated WC–Co inserts under microwave plasma with negative bias by Park, Jong-Kuek, Lee, Wook-Seong, Baik, Young-Joon, Chae, Ki-Woong

“…The effect of negative direct current (DC) bias on the deposition of diamond on WC–Co insert was investigated. Diamond was deposited by microwave plasma…”
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