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Korean J. Met. Mater.
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저자 색인
Author Index
Volume 60(7); Jul 2022
Research Papers
489
A Study on the Interrelationship between the Microstructural Features and the Elevated Temperature Strength of Multicomponent Al-Si-Cu-Ni Casting Alloys
다성분계 Al-Si-Cu-Ni 합금의 미세조직적 인자와 고온강도의 상관관계에 대한 연구
Min-Su Jo, Young-Hee Cho, Jung-Moo Lee, Soo-Bae Kim, Su-Hyeon Kim, Jae-il Jang조민수, 조영희, 이정무, 김수배, 김수현, 장재일
Korean J. Met. Mater.
2022;60(7):489-501. Published online 2022 Jun 3
DOI:
https://doi.org/10.3365/KJMM.2022.60.7.489
Abstract
The elevated temperature strength of multicomponent Al-Si alloys is greatly affected by the volume fraction and the interconnectivity of hard phases formed upon solidification. In the present investigation, such influences were examined for two Al-Si-Cu-Ni alloys with different total volume fractions of hard phases. To control the microstructural features related.....
More
Web of Science 2
Crossref 2
502
Effect of Ethylene Glycol on the Dissolution of Palladium with HCl Solution Containing Oxidizing Agents and Selective Precipitation of Pd(IV) Compound
Viet Nhan Hoa Nguyen, Si Jeong Song, Man Seung Lee
Korean J. Met. Mater.
2022;60(7):502-510. Published online 2022 Jun 3
DOI:
https://doi.org/10.3365/KJMM.2022.60.7.502
Abstract
There is growing interest in the recovery of pure palladium (Pd) compound from cemented Pd from spent electroplating solutions due to increasing demand for Pd, and there is considerable motivation to develop an efficient recovery process. In conventional methods of leaching Pd metal, HCl solutions containing oxidizing agents are employed......
More
Web of Science 4
Crossref 4
511
Thickness Dependence of Cu-layer-based Transparent Heaters
Cu 박막의 두께 변화에 따른 면상발열체 특성 연구
Dooho Choi최두호
Korean J. Met. Mater.
2022;60(7):511-516. Published online 2022 Jun 3
DOI:
https://doi.org/10.3365/KJMM.2022.60.7.511
Abstract
In this study, ultrathin (4-40 nm) Cu-layer-based transparent heaters prepared on glass substrates were investigated for cost-effective applications. The Cu heaters were embedded between ZnO layers serving as anti-reflection and anti-corrosion layers. The Cu layer thicknesses varied in the range of 4-40 nm, and the corresponding structural, electrical, optical and.....
More
517
Enhanced Photoelectrochemical Water-Splitting through Application of Layer by Layer (LBL) and Hydrothermal (HT) Methods in TiO
2
and α-Fe
2
O
3
Hierarchical Structures
Aryan Azad, Sun Jae Kim
Korean J. Met. Mater.
2022;60(7):517-522. Published online 2022 Jun 3
DOI:
https://doi.org/10.3365/KJMM.2022.60.7.517
Abstract
Improving solar energy conversion efficiency and reducing energy loss have become critical issues in recent decades. Photoelectrochemical (PEC) water splitting provides an ideal method for solar energy harvesting and is a key factor in decreasing the use of fossil fuels. Thus, it is extremely important to identify cost-effective, highly active,.....
More
Web of Science 3
Crossref 2
523
Electrochemical Performance of the Ni-Fe Based Metal-Support Solid Oxide Fuel Cell with Ba-Sr-Co-Fe-O and La-Sr-Mn-O Cathodes
Ba-Sr-Co-Fe 산화물과 La-Sr-Mn 산화물 양극을 포함하는 Ni-Fe 기반 금속지지형 고체산화물 연료전지의 전기화학적 성능
Sang Eun Lee, Jun Seo Park, Hee Jung Park이상은, 박준서, 박희정
Korean J. Met. Mater.
2022;60(7):523-530. Published online 2022 Jun 3
DOI:
https://doi.org/10.3365/KJMM.2022.60.7.523
Abstract
Unlike conventional solid oxide fuel cells (SOFCs) where ceramic materials have been used as a support, in this study a new SOFC structure with a metal support and a contact layer between the support and anode is suggested. A mixture of Ni-Fe alloy and zirconia ceramics as the contact layer.....
More
Web of Science 1
Crossref 1
531
Enhancement of thermoelectric power factor by modulation doping of bulk polycrystalline SnS / thin film PEDOT:PSS bilayer
벌크 다결정 SnS / PEDOT:PSS 박막 이중층에서의 변조 도핑을 통한 열전 역률 강화
Dongwook Lee이동욱
Korean J. Met. Mater.
2022;60(7):531-536. Published online 2022 Jun 3
DOI:
https://doi.org/10.3365/KJMM.2022.60.7.531
Abstract
Modulation doping occurs in a heterojunction where a charge carrier-rich material transfers charge to a carrier-deficient material. The modulation-doped material is intentionally selected to have higher charge carrier mobility than the modulation dopant material, so that the overall electrical conductivity can be boosted. Although this modulation doping strategy has proven.....
More
Web of Science 2
Crossref 2
537
High-throughput Screening Computation for Discovery of Porous Zeolites for Hydrogen Storage
수소 저장용 다공성 제올라이트 탐색을 위한 고속 대량 스크리닝 계산
Byung Chul Yeo여병철
Korean J. Met. Mater.
2022;60(7):537-544. Published online 2022 Jun 3
DOI:
https://doi.org/10.3365/KJMM.2022.60.7.537
Abstract
Hydrogen is considered an attractive energy resource because it is eco-friendly in contrast with fossil fuels. Hydrogen storage remains as essential technology for increasing the use of the hydrogen in applications such as hydrogen vehicles and fuel cells. Hydrogen storage requires retaining a high density of hydrogen molecules at ambient.....
More
Crossref 1
545
Properties of Perovskite Solar Cells with Low Temperature Sintered SnO
2
Electron Transport Layers
저온 소결 처리된 SnO
2
전자전달층을 가진 페로브스카이트 태양전지의 물성
Hojun Kim, Yongwook Lee, Yeongjun Oh, Kwangbae Kim, Ohsung Song김호준, 이용욱, 오영준, 김광배, 송오성
Korean J. Met. Mater.
2022;60(7):545-550. Published online 2022 Jun 3
DOI:
https://doi.org/10.3365/KJMM.2022.60.7.545
Abstract
This study investigated the photovoltaic properties and microstructure of perovskite solar cells (PSCs) with an ITO/SnO
2
/perovskite/HTL/Au electrode configuration, developed with varying sintering temperatures (100~200°C). The goal was to use SnO
2
ink as the electron transport layer (ETL) by low-temperature sintering. TGA-DTA analysis was conducted to determine the optimum sintering temperature.....
More
Web of Science 1
Crossref 2
551
Physical Vapor Transport Process for Highly Purified Hg
2
Br
2
Crystal: from Powder Purification to Crystal Growth
Ojun Kwon, Yonghui Song, Shi-Gwan Woo, Woojin Park, Byungjin Cho
Korean J. Met. Mater.
2022;60(7):551-556. Published online 2022 Jun 3
DOI:
https://doi.org/10.3365/KJMM.2022.60.7.551
Abstract
High quality Hg
2
Br
2
crystal grown
via
the physical vapor transport (PVT) process is essential for the fabrication of the acousto-optic tunable filters (AOTFs) module. The full process flow, including powder purification and crystal growth, should be systematically established, but there have been few reports about the fully established process flow.....
More
Web of Science 3
Crossref 3
Journal Impact Factor 1.2