Characterization of MgO thin films grown on carbon materials by molecular beam epitaxy

Satoshi Kobayashi; Shinji Miwa; Frederic Bonell; Shota Yoshikuni; Takeshi Seki; Masashi Shiraishi; Teruya Shinjo; Norikazu Mizuochi; Yoshishige Suzuki

doi:10.7567/JJAP.52.070208

Characterization of MgO thin films grown on carbon materials by molecular beam epitaxy

Satoshi Kobayashi, Shinji Miwa, Frederic Bonell, Shota Yoshikuni, Takeshi Seki, Masashi Shiraishi, Teruya Shinjo, Norikazu Mizuochi, Yoshishige Suzuki

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

MgO thin films were grown on highly oriented pyrolytic graphite (HOPG) and (001)-oriented diamond substrates by molecular beam epitaxy. The crystal structure of MgO was characterized by reflection high-energy electron diffraction and X-ray diffraction. We found that the MgO grew as (001)- and (111)-oriented textured structures on the HOPG and diamond substrates, respectively. The MgO(001) showed a smaller misalignment of the crystal orientation on the HOPG than on amorphous CoFeB, which indicates that the MgO(001) on graphene can be useful as a tunnel barrier for efficient spin injection into semiconductors.

Original language	English
Article number	070208
Journal	Japanese journal of applied physics
Volume	52
Issue number	7 PART 1
DOIs	https://doi.org/10.7567/JJAP.52.070208
Publication status	Published - 2013 Jan
Externally published	Yes

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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Characterization of MgO thin films grown on carbon materials by molecular beam epitaxy. / Kobayashi, Satoshi; Miwa, Shinji; Bonell, Frederic; Yoshikuni, Shota; Seki, Takeshi; Shiraishi, Masashi; Shinjo, Teruya; Mizuochi, Norikazu; Suzuki, Yoshishige.

In: Japanese journal of applied physics, Vol. 52, No. 7 PART 1, 070208, 01.2013.

Research output: Contribution to journal › Article › peer-review

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abstract = "MgO thin films were grown on highly oriented pyrolytic graphite (HOPG) and (001)-oriented diamond substrates by molecular beam epitaxy. The crystal structure of MgO was characterized by reflection high-energy electron diffraction and X-ray diffraction. We found that the MgO grew as (001)- and (111)-oriented textured structures on the HOPG and diamond substrates, respectively. The MgO(001) showed a smaller misalignment of the crystal orientation on the HOPG than on amorphous CoFeB, which indicates that the MgO(001) on graphene can be useful as a tunnel barrier for efficient spin injection into semiconductors.",

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AU - Kobayashi, Satoshi

AU - Miwa, Shinji

AU - Bonell, Frederic

AU - Yoshikuni, Shota

AU - Seki, Takeshi

AU - Shiraishi, Masashi

AU - Shinjo, Teruya

AU - Mizuochi, Norikazu

AU - Suzuki, Yoshishige

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N2 - MgO thin films were grown on highly oriented pyrolytic graphite (HOPG) and (001)-oriented diamond substrates by molecular beam epitaxy. The crystal structure of MgO was characterized by reflection high-energy electron diffraction and X-ray diffraction. We found that the MgO grew as (001)- and (111)-oriented textured structures on the HOPG and diamond substrates, respectively. The MgO(001) showed a smaller misalignment of the crystal orientation on the HOPG than on amorphous CoFeB, which indicates that the MgO(001) on graphene can be useful as a tunnel barrier for efficient spin injection into semiconductors.

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Characterization of MgO thin films grown on carbon materials by molecular beam epitaxy

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