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    Article

    Preparation of CaMgSi and Ca7Mg7.25Si14 single phase films and their thermoelectric properties

    Ca-Mg-Si films were firstly prepared on (001)Al2O3 substrates by RF-magnetron sputtering method from Mg disc target together with Ca and Si chips. The composition of the deposited films was controlled by adjustin...

    Matsuo Uehara, Atsuo Katagiri, Mao Kurokawa, Kensuke Akiyama, Takao Shimizu in MRS Advances (2019)

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    Article

    Control of p- and n-type Conduction in Thermoelectric Non-doped Mg2Si Thin Films Prepared by Sputtering Method

    A method for controlling the conduction-type in Mg2Si films without do** is investigated. Mg2Si films exhibit p-type conduction after a post-heat treatment up to 500 °C in atmospheric He. However, covering the ...

    Mao Kurokawa, Takao Shimizu, Mutsuo Uehara, Atsuo Katagiri, Kensuke Akiyama in MRS Advances (2018)

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    Article

    Small-strain (100)/(001)-oriented epitaxial PbTiO3 films with film thickness ranging from nano- to micrometer order grown on (100)CaF2 substrates by metal organic chemical vapor deposition

    Changes in crystal structure and ferroelectric properties are investigated for (100)/(001)-oriented epitaxial PbTiO3 thin films grown on CaF2 substrates by metal organic chemical vapor deposition. In this work, P...

    Mohamed-Tahar Chentir, Satoru Utsugi, Takashi Fujisawa in Journal of Materials Research (2013)