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Electron paramagnetic resonance and theoretical study of gallium vacancy in beta-Ga2O3
https://repo.qst.go.jp/records/80184
https://repo.qst.go.jp/records/80184b3e51b6a-8df7-4323-badd-2585196a1861
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-07-15 | |||||
タイトル | ||||||
タイトル | Electron paramagnetic resonance and theoretical study of gallium vacancy in beta-Ga2O3 | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Tien Son, Nguyen
× Tien Son, Nguyen× Duy Ho, Quoc× Goto, Ken× Abe, Hiroshi× Ohshima, Takeshi× Monemar, Bo× Kumagai, Yoshinao× Frauenheim, Thomas× Deak, Peter× Abe, Hiroshi× Ohshima, Takeshi |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | we have investigated the electron paramagnetic resonance (EPR) center called as IR1 center in n-type unintentionally doped β-Ga2O3 after annealing in oxygen ambient at 1450 ℃ or electron irradiation. The center has an electron spin S=1/2 and shows an almost isotropic hyperfine (hf) interaction with the nuclear spins of two equivalent Ga atoms. Comparing the observed hf constant (~29 G for 69Ga) with the calculated hf parameters for the (2–) charge state of the Ga vacancy and its associated defect, VGa(I)-Gaib-VGa(I), and from their charge transition levels, the IR1 center is assigned to the double negative charge state of either the Ga vacancy at tetrahedral site, VGa(I)2−, or the VGa(I)-Gaib-VGa(I) complex. | |||||
書誌情報 |
Applied Physics Letters 巻 117, 号 3, 発行日 2020-07 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0003-6951 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1063/5.0012579 | |||||
関連サイト | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://aip.scitation.org/doi/10.1063/5.0012579 |