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Study of Phase Formation Behavior and Electronic Transport Properties in the FeSe2 -FeTe2 System
FeSe2-FeTe2 계 다결정 소재의 상 형성 거동 및 전기 전도 특성에 관한 연구
Okmin Park, TaeWan Kim, Se Woong Lee, Hyun-Sik Kim, Weon Ho Shin, Jamil Ur Rahman, Sang-il Kim
박옥민, 김태완, 이세웅, 김현식, 신원호, , 김상일
Korean J. Met. Mater. 2022;60(4):315-320.   Published online 2022 Mar 28
DOI: https://doi.org/10.3365/KJMM.2022.60.4.315

In this study, we investigated the phase formation behavior of the FeSe2-FeTe2 system and the evolution of their thermoelectric transport properties. A series of Fe(Se1-xTex)2(x = 0, 0.2, 0.6, 0.8 and 1) compounds were synthesized by conventional solid-state reaction. Single phase orthorhombic structures were formed, except for FeSe0.4Te1.6(x = 0.2)...... More

Method for Predicting Thermoelectric Module Efficiency Using MATLAB/Simulink
매트랩/시뮬링크 simulation model을 이용한 열전 모듈의 효율 예측
Nayoung Lee, Sungwook Ye, Rahman Jamil Ur, Jang-Yeul Tak, Jung Young Cho, Won Seon Seo, Weon Ho Shin, Walter Commerell, Woo Hyun Nam, Jong Wook Roh
이나영, 예성욱, Rahman Jamil Ur, 탁장렬, 조중영, 서원선, 신원호, Walter Commerell, 남우현, 노종욱
Korean J. Met. Mater. 2021;59(11):829-837.   Published online 2021 Oct 28
DOI: https://doi.org/10.3365/KJMM.2021.59.11.829

Development new high-performance thermoelectric materials for more efficient power generation systems and eco-friendly refrigerating systems has been challenging. Over the past few decades, thermoelectric studies have been focused on increasing the thermoelectric properties of materials. However, for conventional applications, developing of thermoelectric devices or modules with lower cost and..... More

Enhanced Energy-Transfer Properties in Core-Shell Photoluminescent Nanoparticles Using Mesoporous SiO2 Intermediate Layers
에너지-전이 형광 특성 향상을 위한 다공성 실리카 중간층이 추가된 코어-쉘 나노입자 제조 및 특성평가
Woo Hyeong Sim, Seyun Kim, Weon Ho Shin, Hyung Mo Jeong
심우형, 김세윤, 신원호, 정형모
Korean J. Met. Mater. 2020;58(2):137-144.   Published online 2020 Jan 8
DOI: https://doi.org/10.3365/KJMM.2020.58.2.137

Multi-layer core-shell nanoparticles (YVO4:Nd3+/mSiO2/SiO2) consisting of silica cores (SiO2), mesoporous silica (mSiO2) intermediate layers, and Neodymium doped rare-earth phosphor (YVO4:Nd3+) shell layers were successfully synthesized using the stepwise sol-gel method. The morphological structure and optical properties of the functional core-shell nanoparticles were characterized and evaluated by transmission electron microscopy (TEM),..... More

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