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  1. No Access

    Article

    Crystalline orientation control in sol–gel preparation of CuAlO2 thin films

    Thin films of CuAlO2 were prepared by the sol–gel method using Cu acetate and Al acetate as starting materials. Films prepared using a sol with a total metal ion concentration of 0.40 M and gel preparation condit...

    Takashi Ehara, Hiroshi Abe, Ryo Iizaka… in Journal of Sol-Gel Science and Technology (2017)

  2. No Access

    Article

    High Frequency Electron Spin Resonance Study of Hydrogenated Microcrystalline Silicon

    Dangling bond defects (DB) in hydrogenated microcrystalline silicon (μc-Si:H) have been studied by X-band (9 GHz) Q-band (33 GHz) and W-band (90 GHz) electron spin resonance (ESR) spectroscopy. In X-band ESR s...

    Takashi Ehara in MRS Online Proceedings Library (2011)

  3. No Access

    Article

    Electrical Properties of Beta-Irondisilicide/Germanium Heterojunctions

    The electrical properties of heterojunctions composed of polycrystalline films of beta-irondisilicide and n-type germanium substrate are investigated. The heterojunctions have been prepared by co-sputtering of...

    Takashi Ehara, Yoshihiro Kokubun in MRS Online Proceedings Library (2011)

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    Article

    Surface Derivatization of Amorphous Silicon by Grignard Reagents

    Substitution reactions of surface hydrogen in amorphous silicon at room temperature have been studied. After wet treatment of hydrogenated amorphous silicon thin films with Grignard reagent, surface hydrogen a...

    Takashi Ehara, Arata Maruyama in MRS Online Proceedings Library (2000)

  5. No Access

    Article

    Multi-Band Electron Paramagnetic Resonance Study of Microcrystalline and Cluster Silicon Embedded in SiO2

    Dangling bond defects (DB) in silicon microcrystallines and clusters embedded in SiO2 have been studied by X- and Q-band electron paramagnetic resonance (EPR) spectroscopy. The EPR spectra due to the DB were rema...

    Takashi Ehara, Tadaaki Ikoma, Shozo Tero-Kubota in MRS Online Proceedings Library (2000)