Nanometer-sized phase-change recording using a scanning near-field optical microscope with a laser diode, Jpn
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- Hosaka Sumio
- Advanced Research Laboratory, Hitachi Ltd., 1–280 Higashi–Koigakubo, Kokubunji, Tokyo 185, Japan
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- Shintani Toshimichi
- Advanced Research Laboratory, Hitachi Ltd., 1–280 Higashi–Koigakubo, Kokubunji, Tokyo 185, Japan
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- Miyamoto Mitsuhide
- Advanced Research Laboratory, Hitachi Ltd., 1–280 Higashi–Koigakubo, Kokubunji, Tokyo 185, Japan
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- Hirotsune Akemi
- Central Research Laboratory, Hitachi Ltd., 1–280 Higashi–Koigakubo, Kokubunji, Tokyo 185, Japan
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- Terao Motoyasu
- Central Research Laboratory, Hitachi Ltd., 1–280 Higashi–Koigakubo, Kokubunji, Tokyo 185, Japan
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- Yoshida Masaru
- Hitachi Instruments Service Co., Ltd., Sendagaya, Tokyo 151, Japan
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- Fujita Kouichi
- Nissei–Sangyo Co., Ltd., Nishi–Shimbashi, Tokyo 105, Japan
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- Kämmer Stefan
- TopoMetrix Inc., Santa Clara, California 95054–1162, U.S.A.
書誌事項
- タイトル別名
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- Nanometer-sized Phase-Change Recording using a Scanning Near-Field Optical Microscope with a Laser Diode.
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抄録
We present for the first time a nanometer-sized phase-change recording using a scanning near-field optical microscope (PC-SNOM recording). The recording experiments were performed with a SNOM using a 785-nm-wavelength semiconductor laser diode, shear force detection for gap control and reflected light detection for observing the domains (reading). The recording media of ZnS· SiO2(20 nm)/GeSbTe(30 nm)/ZnS· SiO2(150 nm)/polycarbonate substrate were used. The writings were done at laser powers of 8.4-7.3 mW in the probe for pulse widths of 5 or 0.5 ms. As a result, we obtained a minimum recorded domain size of 60 nm in diameter. This size shows a potential to achieve an ultrahigh density PC-SNOM recording with about 170 Gb/in2. A possibility of achieving high speed readout for the future data storage is also discussed.
収録刊行物
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- Japanese Journal of Applied Physics
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Japanese Journal of Applied Physics 35 (1B), 443-447, 1996
The Japan Society of Applied Physics
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詳細情報
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- CRID
- 1390282681222361472
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- NII論文ID
- 210000039615
- 110003955371
- 130004522280
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- NII書誌ID
- AA10457675
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- COI
- 1:CAS:528:DyaK28XhtlGjur4%3D
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- ISSN
- 13474065
- 00214922
- http://id.crossref.org/issn/13474065
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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