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Flexible Transparent Planar Heater Comprising ZnO/Cu/Al<sub>2</sub>O<sub>3</sub>
ZnO/Cu/Al2O3 구조의 유연 투명 면상발열체 연구
Heechang Kim, Dooho Choi
김희창, 최두호
Korean J. Met. Mater. 2023;61(7):480-488.   Published online 2023 Jun 21
DOI: https://doi.org/10.3365/KJMM.2023.61.7.480

Abstract
In this study, we fabricated transparent heaters composed of an ultrathin Cu-layer heating element sandwiched between a ZnO underlayer and an Al2O3 overlayer. With the Cu layer thickness fixed at 8.5 nm, the thicknesses of the ZnO and Al2O3 layers were independently varied to reach the optimum antireflecting condition (maximum..... More

                   Web of Science 2  Crossref 1
Fabrication of Semi-transparent W film Heaters via Phase Transformation
텅스텐 나노박막의 상변태를 이용한 반투명 면상발열체 형성 연구
Jiyun Choi, Dooho Choi
최지윤, 최두호
Korean J. Met. Mater. 2021;59(9):664-669.   Published online 2021 Aug 4
DOI: https://doi.org/10.3365/KJMM.2021.59.9.664

Abstract
In this study, we prepared highly thermostable semi-transparent heaters composed of W layers with thicknesses of 1-20 nm, on which a 30 nm-thick ZnO layer was deposited to serve as an anti-oxidation barrier. The optical transmittance and sheet resistance of the heaters could be greatly modulated by varying the W..... More

                   Web of Science 1  Crossref 2
Simultaneous Improvement in the Corrosion Resistance and Visible Transparency of ZnO/Cu/ZnO Transparent Heaters with Reactively Sputtered Al<sub>2</sub>O<sub>3</sub> Layers
반응성 스퍼터링법으로 제조된 Al2O3 막을 이용한 ZnO/Cu/ZnO 투명 히터의 내식성과 투과도 개선 연구
Geumhyuck Bang, Dooho Choi
방금혁, 최두호
Korean J. Met. Mater. 2021;59(3):155-161.   Published online 2021 Feb 19
DOI: https://doi.org/10.3365/KJMM.2021.59.3.155

Abstract
In this study, we report a methodology that simultaneously improved the corrosion resistance and visible transparency of ZnO/Cu/ZnO transparent heaters with the addition of reactively sputtered Al2O3 layers. To assess corrosion resistance, ZnO and Al2O3 layers with thicknesses in the range of 0-20 nm were deposited onto 20 nm-thick Cu..... More

                   Web of Science 4  Crossref 4
Optimization of ZnO/Ag/ZnO Transparent Conductive Electrodes Fabricated by Magnetron Sputtering
스퍼터링법으로 증착된 ZnO/Ag/ZnO 투명전극의 성능 최적화 연구
Woo Hyeon Jo, Dooho Choi
조우현, 최두호
Korean J. Met. Mater. 2019;57(2):91-96.   Published online 2019 Jan 11
DOI: https://doi.org/10.3365/KJMM.2019.57.2.91

Abstract
The critical role of the thicknesses of the top and bottom oxide layers, as well as Ag layer, in ZnO/Ag/ZnO transparent conductive electrodes were investigated. The Ag forms a nearly continuous layer at the thickness of 8 nm, at which the Ag sheet resistance of 8.0 Ω/Sq. is lower than..... More

                   Web of Science 9  Crossref 9
Liquid-Phase Reaction Sintering Behavior at below 200 C and Electrical Sheet Resistance of Sn-58Bi/Cu Composite Pastes
Sn-58Bi/Cu 복합 페이스트의 200 °C 미만 액상 반응 소결 거동과 전기저항 변화
Jun Ho Hwang, Dongshin Jeong, Jong-Hyun Lee
황준호, 정동신, 이종현
Korean J. Met. Mater. 2018;56(6):440-448.   Published online 2018 Jun 4
DOI: https://doi.org/10.3365/KJMM.2018.56.6.440

Abstract
To fabricate a film with the highest electrical conductivity through liquid-phase reaction sintering below 200 °C using composite pastes containing both Sn-58Bi and Cu particles as a filler material, the effects of process parameters, such as the mixing ratio of the fillers, reaction temperature, and reaction time, were evaluated and..... More

                   Crossref 1
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