Fabrication and Magnetotransport of One-Dimensional Lateral Surface Superlattice Fabricated by Low-Energy Ion Irradiation.
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- Takahara Junichi
- Department of Electrical Engineering, Faculty of Engineering Science, Osaka University, Toyonaka, Osaka 560
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- Ochiai Yukinori
- Fundamental Research Laboratories, NEC Corporation, 34 Miyukigaoka, Tsukuba, Ibaraki 305
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- Matsui Shinji
- Fundamental Research Laboratories, NEC Corporation, 34 Miyukigaoka, Tsukuba, Ibaraki 305
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- Takaoka Sadao
- Department of Physics, Faculty of Science, Osaka University, Toyonaka, Osaka 560
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- Murase Kazuo
- Department of Physics, Faculty of Science, Osaka University, Toyonaka, Osaka 560 Research Center for Extreme Materials, Osaka University, Toyonaka, Osaka 560
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- Gamo Kenji
- Department of Electrical Engineering, Faculty of Engineering Science, Osaka University, Toyonaka, Osaka 560 Research Center for Extreme Materials, Osaka University, Toyonaka, Osaka 560
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A new fabrication process of a lateral surface superlattice has been reported. A low-energy Ar ion irradiation has been used to fabricate a one-dimensional lateral surface superlattice. The decrease of carrier concentration and mobility has been investigated to avoid the serious damage caused by ion bombardment. The mobility decreases significantly with ion dose rather than carrier concentration and its scattering mechanisms are discussed. In addition, a Schottky gate on top of the superlattice is used to change the Fermi energy of two-dimensional electron gas and the anisotropic threshold characteristics are observed. Weiss oscillations can be modified by applying positive bias voltage to the gate.
収録刊行物
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- Japanese Journal of Applied Physics
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Japanese Journal of Applied Physics 33 (12B), 7184-7189, 1994
The Japan Society of Applied Physics
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詳細情報
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- CRID
- 1390001206245203456
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- NII論文ID
- 110003946678
- 210000036386
- 130004519695
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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
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可