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Low-Temperature H₂S Sensors Based on Si-Coated SnO₂ Nanowires

Myung Sik Choi, Ali Mirzaei, Jae Hoon Bang, Han Gil Na, Changhyun Jin, Wansik Oum, Seungmin Han, Sang Sub Kim, Hyoun Woo Kim

Korean J. Met. Mater. 2019;57(11):732-740. Published online 2019 Nov 5
DOI: https://doi.org/10.3365/KJMM.2019.57.11.732

Abstract
To attain high life standards, it is important to develop high-performance non-toxic gas sensors for public safety, environmental pollutant control, industrial processes, etc. Because reports on single element semiconductor-coated semiconducting metal oxides for sensing applications are rare, we synthesized SnO₂ nanowires and coated them with a 5 nm-thick or 10..... More

Effect of E-Beams Irradiation Dose on the Sensing Properties of Pt-Functionalized Reduced Graphene Oxides Following Annealing of the 6 nm-Thick Pt Layer

Yong Jung Kwon, Ali Mirzaei, Han Gil Na, Sung Yong Kang, Myung Sik Choi, Jae Hoon Bang, Jaegab Lee, Inpil Kang, Sang Sub Kim, Hyoun Woo Kim

Korean J. Met. Mater. 2017;55(7):492-502. Published online 2017 Jul 4
DOI: https://doi.org/10.3365/KJMM.2017.55.7.492

Abstract
Pt-functionalized RGO samples were prepared and subsequently irradiated with 2-MeV electron beams (e-beams). The effect of e-beam dose on the structural, electrical, and gas sensing properties of the samples was investigated. E-beam irradiation was found to induce significant microstructural changes in the Pt-functionalized RGO. Measurements of NO₂ sensing at room..... More

Cited By 1

Powder Metallurgy

Microstructure Changes of ZrO₂/W/Mo Coating Layers on Graphite after Heat Treatment at 2100 ℃
용사 코팅한 ZrO₂/W/Mo-Graphite 코팅층의 2100 ℃ 열처리 후 미세조직 변화에 관한 연구

Gyu Baek Ahn, Kyeong Hwan Choe, Sang Sub Kim, Gue Serb Cho
안규백, 최경환, 김상섭, 조규섭

Korean J. Met. Mater. 2016;54(8):559-565. Published online 2016 Aug 5
DOI: https://doi.org/10.3365/KJMM.2016.54.8.559

Abstract
A tungsten coating was deposited onto a graphite substrate using the atmospheric plasma spraying (APS) technique. In order to increase the adhesion strength between the metallic tungsten(W) and graphite, a molybdenum (Mo) interlayer was pre-deposited onto the graphite surface by utilizing the APS technique. Also, after deposition of a APS-W..... More

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