Phenomenological Interpretation of Excimer Laser Ablation of Single-Crystal Oxides (MgO, SrTiO<sub>3</sub> and LaAlO<sub>3</sub>)
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- Ishibashi Hiroshige
- Faculty of Engineering Science, Osaka University, 1–3 Machikaneyama, Toyonaka, Osaka 560
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- Arisaka Syuji
- Faculty of Engineering Science, Osaka University, 1–3 Machikaneyama, Toyonaka, Osaka 560
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- Kinoshita Kazuya
- Faculty of Engineering Science, Osaka University, 1–3 Machikaneyama, Toyonaka, Osaka 560
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- Kobayashi Takeshi
- Faculty of Engineering Science, Osaka University, 1–3 Machikaneyama, Toyonaka, Osaka 560
書誌事項
- タイトル別名
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- Phenomenological Interpretation of Excimer Laser Ablation of Single-Crystal Oxides (MgO, SrTiO3 and LaAl03).
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抄録
ArF excimer laser ablation of single-crystal oxide surfaces was investigated experimentally and theoretically. All specimens (MgO, SrTiO3 and LaAlO3) showed the presence of the threshold laser fluence for the ablation, possibly suggesting a thermal process. With increase in the fluence, etching rate increased sublinearly (downward bowing), and with further increase in the fluence, it increased almost linearly. To interpret the ablation mechanism and this nonlinearity, we proposed the ablation model, imposing two factors (effects of laser recoil pressure and optical reflection by the surface molten layer) to a previous dynamical model. Our proposed model explained the results well, and it was found that surface reflection by the molten layer is mainly responsible for the nonlinearity.
収録刊行物
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- Japanese Journal of Applied Physics
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Japanese Journal of Applied Physics 33 (9A), 4971-4977, 1994
The Japan Society of Applied Physics
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詳細情報 詳細情報について
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- CRID
- 1390282681222662144
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- NII論文ID
- 30021820613
- 210000035902
- 130004520538
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- NII書誌ID
- AA10457675
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- ISSN
- 13474065
- 00214922
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- 本文言語コード
- en
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- データソース種別
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- JaLC
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可