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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Infrared spectroscopy on electronic structures of platinum-group metal pernitrides MN2 (M=Ru, Rh, Ir, and Pt)

http://hdl.handle.net/2237/00030422
http://hdl.handle.net/2237/00030422
040ea38b-19ed-475c-8e98-9cc6d77a6fd7
名前 / ファイル ライセンス アクション
IR_MN2_rev3_soda.pdf IR_MN2_rev3_soda (3.0 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2019-06-12
タイトル
タイトル Infrared spectroscopy on electronic structures of platinum-group metal pernitrides MN2 (M=Ru, Rh, Ir, and Pt)
言語 en
著者 Soda, Kazuo

× Soda, Kazuo

WEKO 91910

en Soda, Kazuo

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Komabuchi, Mai

× Komabuchi, Mai

WEKO 91911

en Komabuchi, Mai

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Maeguchi, Keisuke

× Maeguchi, Keisuke

WEKO 91912

en Maeguchi, Keisuke

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Kato, Masahiko

× Kato, Masahiko

WEKO 91913

en Kato, Masahiko

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Terabe, Toshiki

× Terabe, Toshiki

WEKO 91914

en Terabe, Toshiki

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Niwa, Ken

× Niwa, Ken

WEKO 91915

en Niwa, Ken

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Hasegawa, Masashi

× Hasegawa, Masashi

WEKO 91916

en Hasegawa, Masashi

Search repository
Ikemoto, Yuka

× Ikemoto, Yuka

WEKO 91917

en Ikemoto, Yuka

Search repository
Okamura, Hidekazu

× Okamura, Hidekazu

WEKO 91918

en Okamura, Hidekazu

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 © 2019. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
キーワード
主題Scheme Other
主題 Infrared reflectance spectra
キーワード
主題Scheme Other
主題 First-principles calculation
キーワード
主題Scheme Other
主題 Platinum-group metal pernitride
キーワード
主題Scheme Other
主題 Valence band electronic structure
抄録
内容記述 The electronic structures of platinum-group metal pernitrides MN2 (M = Ru, Rh, Ir, and Pt) were investigated via synchrotron radiation infrared spectroscopy and first-principles calculations. Measured reflectance spectra of marcasite-type RuN2 and RhN2 showed Drude-like responses, approaching 1 as the photon energy was decreased, whereas reflectance of arsenopyrite-type IrN2 and pyrite-type PtN2 became ∼0.3 in the low photon energy region with a few features. These findings agreed well with the predictions of the metallic nature of marcasite-type RuN2 and RhN2 and the semiconducting properties of arsenopyrite-type IrN2 and pyrite-type PtN2, respectively. The measured reflectance spectra were also reasonably consistent with the calculated optical responses. The band gaps of IrN2 and PtN2 were estimated to be 0.8 and 2.1 eV, respectively, via first-principles calculation with a modified Becke–Johnson (MBJ) potential for the exchange potential.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 ファイル公開:2021-04-01
言語 ja
内容記述タイプ Other
出版者
言語 en
出版者 Elsevier
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1016/j.physb.2019.01.017
ISSN(print)
収録物識別子タイプ PISSN
収録物識別子 0921-4526
書誌情報 en : Physica B: Condensed Matter

巻 558, p. 54-58, 発行日 2019-04-01
著者版フラグ
値 author
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