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    Article

    Portable digital holographic microscope using spherical reference beam

    In this study, we developed and evaluated a portable digital holographic microscope (DHM) using a spherical reference beam. To reduce the size of this DHM, we replaced the objective lens with a small aspherica...

    Eriko Watanabe, Kazuhiro Hoshino, Shuichi Takeuchi in Optical Review (2015)

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    Chapter and Conference Paper

    Low voltage, high resolution SEM imaging for mesoporous materials

    Mesoporous silicas (MPSs), which possess highly ordered structures with a pore size of 2–15 nm, must be widely applied to catalysts, adsorbents, membranes, and sensors. Direct SEM observation of MPSs provides ...

    O. Takagi, Shuichi Takeuchi, Atsushi Miyaki in EMC 2008 14th European Microscopy Congress… (2008)

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    Article

    Substitution effects on the electronic anomaly and superconductivity in La2−xBaxCuO4 and La2−xSrxCuO4 with x ∼ 1/8

    The effects of substitution of Y or Bi on the low-temperature structural phase transition, electronic anomaly and superconductivity have been studied in La2-y-xYyBaxCuOφ La2-y-xBiyBaxCuO4 and La1.9-y-xTb0.1BiySrx

    Yoji Koike, Shuichi Takeuchi, Hidetaka Sato in Journal of Low Temperature Physics (1996)