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within English Remove this filter Crystallography and Scattering Methods Remove this filter Yong Il Park Remove this filter Article Remove this filter

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  1. No Access

    Article

    Novel hydrophobic coating process for gas diffusion layer in PEMFCs

    The behavior of water and gas distribution in the gas diffusion layers (GDLs) of proton exchange membrane fuel cells (PEMFCs) were investigated analytically. In order to prevent the flooding phenomenon of the ...

    Gug-Ho Yoon, Sung Bum Park, Eun Hyung Kim, Myung-Hoon Oh… in Journal of Electroceramics (2007)

  2. No Access

    Article

    Effect of heating temperature on dielectric properties of Pb(Zr,Ti)O3 [PZT] fibers

    Ferroelectric Pb(Zr0.53Ti0.47)O3 fibers were reproducibly fabricated by sol-gel technique using triethanolamine (TEA) complexed alkoxide. The phase transition from pyrochlore to perovskite took place about 400°C ...

    Yong-Il Park, Masayuki Nagai, Masaru Miyayama… in Journal of Materials Science (2001)

  3. No Access

    Article

    Effect of composition on ferroelectric properties of sol-gel derived lead bismuth titanate (PbBi4Ti4O15) thin films

    Bismuth layer-structured ferroelectric PbBi4Ti4O15(PBT) thin films were fabricated on Pt/Ti/SiO2/Si substrates by sol-gel spin coating and the effect of lead and bismuth concentration on phase transition, microst...

    Yong-Il Park, Masayuki Nagai, Masaru Miyayama… in Journal of Materials Science (2001)