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  1. No Access

    Chapter and Conference Paper

    Containerless Materials Processing for Materials Science on Earth and in Space

    Electromagnetic and techniques have been utilized for the last few decades to process metastable and highly reactive materials. Main fields of application include , , and transport phenomena of molten meta...

    Jonghyun Lee, Sai Katamreddy, Yong Chan Cho in Materials Processing Fundamentals 2021 (2021)

  2. Article

    Open Access

    Analysis of oxygen vacancy in Co-doped ZnO using the electron density distribution obtained using MEM

    Oxygen vacancy (VO) strongly affects the properties of oxides. In this study, we used X-ray diffraction (XRD) to study changes in the VO concentration as a function of the Co-do** level of ZnO. Rietveld refinem...

    Ji Hun Park, Yeong Ju Lee, Jong-Seong Bae, Bum-Su Kim in Nanoscale Research Letters (2015)

  3. Article

    Open Access

    Fabrication of ZnCoO nanowires and characterization of their magnetic properties

    Hydrogen-treated ZnCoO shows magnetic behavior, which is related to the formation of Co-H-Co complexes. However, it is not well known how the complexes are connected to each other and with what directional beh...

    Bum-Su Kim, Seunghun Lee, Won-Kyung Kim, Ji-Hun Park in Nanoscale Research Letters (2014)