Search Results - "Sung-Jae Joo"

Partially Air‐Filled Skin‐Attachable Deformable Gasket with Negative Poisson's Ratio for Highly‐Efficient Stretchable Thermoelectric Generators by Choi, Hyekyoung, Min, Bok‐Ki, Joo, Sung‐Jae, Kim, Bong‐Seo, Lee, Kyoungho, Kang, Hyelin, Sim, Yeon Hyang, Yun, Min Ju, Lee, Dong Yoon, Cha, Seung I.

“…Wearable thermoelectric generators (WTEGs) have relied on soft encapsulation materials typically used for the structural support of thermoelectric legs. Heat…”
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Simple Synthesis and Thermoelectric Properties of Mg2 + xSi0.5Sn0.5Sb0.075 Materials with Heterogeneous Microstructure by Jang, Jeongin, Min, Bok-Ki, Kim, Bong-Seo, Joo, Sung-Jae, Park, Yong Il, Lee, Ji Eun

“…Mg 2 X (X = Si, Ge or Sn) based alloys are considered as promising candidates in the middle to high temperature range thermoelectric applications due to their…”
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Effect of Conductive Metal Powder Incorporation on Vanadium Trioxide Insulation between REBCO Tapes by Lee, Sung Hoon, Han, June Hee, Chae, Yoon Seok, Kim, Ho Min, Quach, Huu Luong, Yoon, Yong Soo, Kim, Hyung-Wook, Jo, Young-Sik, Kim, Seog-Whan, Kim, Bong-Seo, Son, Ji-Hee, Joo, Sung-Jae, Kim, Ji Hyung

“…Vanadium trioxide (V 2 O 3 ) exhibits a negative temperature dependency in its electrical resistivity, a phenomenon known as the metal-to-insulator transition…”
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Highly anisotropic thermoelectric transport properties responsible for enhanced thermoelectric performance in the hot-deformed tetradymite Bi2Te2S by Joo, Sung-Jae, Ryu, Byungki, Son, Ji-Hee, Lee, Ji Eun, Min, Bok-Ki, Kim, Bong-Seo

“…In general, Bi2Te3 and related alloys show the best thermoelectric performance at near-room temperature region below about 423 K, which is in some cases not…”
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Enhanced thermoelectric properties of AgSbTe2 obtained by controlling heterophases with Ce doping by Lee, Jae Ki, Oh, Min-Wook, Ryu, Byungki, Lee, Ji Eun, Kim, Bong-Seo, Min, Bok-Ki, Joo, Sung-Jae, Lee, Hee-Woong, Park, Su-Dong

“…We report the enhanced thermoelectric properties of Ce-doped AgSbTe 2 (AgSb 1−x Ce x Te 2 ) compounds. As the Ce contents increased, the proportion of…”
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Thermoelectric Properties of Off-Stoichiometric Bi2Te2Se Compounds by Kim, Bong-Seo, Lee, Goeun, Lim, Hye-Jin, Jang, Jeongin, Lee, Ji Eun, Min, Bok-Ki, Joo, Sung-Jae, Park, Sungjin, Ryu, Byung-ki, Lee, Ho Seong

“…We report the thermoelectric characterization of off-stoichiometric Bi 2 Te 2 Se compounds fabricated with high energy ball milling followed by spark plasma…”
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An Experimental Study on the Thermal Stability of Mg2Si/Ni Interface under Thermal Cycling by Joo, Sung-Jae, Lee, Ji Eun, Kim, Bong-Seo, Min, Bok-Ki

“…Mg2Si is a promising eco-friendly thermoelectric material, and Ni is suited for electrical contact on it. In this study, Bi-doped Mg2Si ingots with Ni contacts…”
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Prediction of the band structures of Bi2Te3-related binary and Sb/Se-doped ternary thermoelectric materials by Ryu, Byungki, Kim, Bong-Seo, Lee, Ji Eun, Joo, Sung-Jae, Min, Bok-Ki, Lee, HeeWoong, Park, Sudong, Oh, Min-Wook

“…Density functional calculations are performed to study the band structures of Bi 2 Te 3 -related binary (Bi 2 Te 3 , Sb 2 Te 3 , Bi 2 Se 3 , and Sb 2 Se 3 )…”
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Simultaneous Formation of Ohmic Contacts on p+- and n+-4H-SiC Using a Ti/Ni Bilayer by Joo, Sung-Jae, Baek, Sangwon, Kim, Sang-Cheol, Lee, Jeong-Soo

“…In this work, Ti/Ni bilayer contacts were fabricated on both p + - and n + -4H-SiC formed by ion implantation, and the effects of the Ti interlayer on the…”
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Effect of La-doping on AgSbTe2 thermoelectric compounds by Min, Bok-Ki, Kim, Bong-Seo, Oh, Min-Wook, Ryu, Byung-Ki, Lee, Ji-Eun, Joo, Sung-Jae, Park, Su-Dong, Lee, Hee-Woong, Lee, Ho-seong

“…Ag(Sb 1− x La x )Te 2 compounds ( x = 0, 0.01, 0.02, 0.03, and 0.05) were fabricated to study the effect of La-doping on the thermoelectric properties by using…”
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Thermoelectric properties of Bi2Te2.7Se0.3 nanocomposites embedded with MgO nanoparticles by Joo, Sung-Jae, Son, Ji-Hee, Min, Bok-Ki, Lee, Ji-Eun, Kim, Bong-Seo, Ryu, Byungki, Park, Su-Dong, Lee, Hee-Woong

“…Bi 2 Te 2.7 Se 0.3 bulk materials containing x vol% MgO nanoparticles (average particle size ≈ 100 nm, x = 0, 0.5, 1.0, 1.5) were synthesized by using…”
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Development of p-type Bi2−xSbxTe3 thermoelectric materials for power generation application exploiting synergetic effect of Sb alloying and repress process by Jang, Jeongin, Min, Bok-Ki, Kim, Bong-Seo, Joo, Sung-Jae, Lee, Ho Seong, Lee, Ji Eun

“…[Display omitted] •p-type Bi–Sb–Te alloys with high-temperature peak performances have been developed.•Increasing the amount of Sb can shift the ZT peak…”
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Thermoelectric properties of higher manganese silicide films deposited by radio frequency magnetron co-sputtering by Joo, Sung-Jae, Lee, Ho Seong, Lee, Ji Eun, Jang, Jeongin

“…Higher manganese silicide (HMS) MnSiγ films with varying γ (1.65 ≤ γ ≤ 3.23) were deposited on oxidized Si wafers at 703 K by radio frequency (RF) magnetron…”
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Anti-reflective nano- and micro-structures on 4H-SiC for photodiodes by Kang, Min-Seok, Joo, Sung-Jae, Bahng, Wook, Lee, Ji-Hoon, Kim, Nam-Kyun, Koo, Sang-Mo

“…In this study, nano-scale honeycomb-shaped structures with anti-reflection properties were successfully formed on SiC. The surface of 4H-SiC wafer after a…”
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Partially Air‐Filled Skin‐Attachable Deformable Gasket with Negative Poisson's Ratio for Highly‐Efficient Stretchable Thermoelectric Generators (Adv. Energy Mater. 40/2023) by Choi, Hyekyoung, Min, Bok‐Ki, Joo, Sung‐Jae, Kim, Bong‐Seo, Lee, Kyoungho, Kang, Hyelin, Sim, Yeon Hyang, Yun, Min Ju, Lee, Dong Yoon, Cha, Seung I.

“…Thermoelectric GeneratorsIn article number 2301252, Hyekyoung Choi, Seung I. Cha and co‐workers develop a wearable thermoelectric generator (TEG) using a…”
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Effects of wet-oxidized 4H-SiC annealed in HNO3/H2O vapour by Poobalan, Banu, Hyun Moon, Jeong, Kim, Sang-Cheol, Joo, Sung-Jae, Bahng, Wook, Ho Kang, In, Kim, Nam-Kyun, Yew Cheong, Kuan

“…Purpose – The high density of defects mainly attributed to the presence of silicon oxycarbides, residual C clusters, Si- and C-dangling bonds at or near the…”
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Antimony-induced heterogeneous microstructure of Mg2Si0.6Sn0.4 thermoelectric materials and their thermoelectric properties by Jang, Jeongin, Ryu, Byungki, Joo, Sung-Jae, Kim, Bong-Seo, Min, Bok-Ki, Lee, Hee-Woong, Park, Su-Dong, Lee, Ho Seong, Lee, Ji Eun

“…In order to achieve enhancements in thermoelectric efficiency, microstructures that can form numerous interfaces have been investigated intensively for…”
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Synthesis and Thermoelectric Properties of ZrxTi1−xNiSn0.98Sb0.02 n-Type Half-Heusler Materials by Joo, Sung-Jae, Son, Ji-Hee, Lee, Ho Seong, Jang, Jeongin, Kim, Bong-Seo, Min, Bok-Ki

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Synthesis and Thermoelectric Properties of ZrxTi1−xNiSn0.98Sb0.02n-Type Half-Heusler Materials by Joo, Sung-Jae, Son, Ji-Hee, Lee, Ho Seong, Jang, Jeongin, Kim, Bong-Seo, Min, Bok-Ki

“…Hf-free Zr x Ti 1− x NiSn 0.98 Sb 0.02 ( x  = 0.25, 0.5, 0.75) n -type half-Heusler (HH) thermoelectric materials were synthesized by a serial processing…”
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Fabrication of Miniature Thermoelectric Generators Using Bulk Materials by Joo, Sung-Jae, Ryu, Byungki, Min, Bok-Ki, Lee, Ji-Eun, Kim, Bong-Seo, Park, Su-Dong, Lee, Hee-Woong

“…Miniature thermoelectric modules (TEMs) are required for micro power generation as well as local cooling, and they should have small size and high performance…”
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