| Project/Area Number |
20360303
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Inorganic materials/Physical properties
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| Research Institution | National Institute of Advanced Industrial Science and Technology |
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Principal Investigator |
KUWAHARA Masashi National Institute of Advanced Industrial Science and Technology, 光技術研究部門, 主任研究員 (60356954)
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| Co-Investigator(Kenkyū-buntansha) |
SHIMA Takayuki 独立行政法人産業技術総合研究所, 電子光技術研究部門, 主任研究員 (10371048)
ENDO Rie 東京工業大学, 大学院・理工学研究科, 材料工学専攻 (00372459)
TSURUOKA Tohru 物質・材料研究機構, 国際ナノアーキテクトニクス研究拠点, MANA研究者 (20271992)
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| Project Period (FY) |
2008 – 2010
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| Project Status |
Completed (Fiscal Year 2010)
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| Budget Amount *help |
¥19,110,000 (Direct Cost: ¥14,700,000、Indirect Cost: ¥4,410,000)
Fiscal Year 2010: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2009: ¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
Fiscal Year 2008: ¥10,790,000 (Direct Cost: ¥8,300,000、Indirect Cost: ¥2,490,000)
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| Keywords | 光ディスク / 高温熔融 / 屈折率 / 電気伝導率 / 熱伝導率 / カルコゲナイド / 光学定数 / 相変化メモリー / 超解像再生 / 光スイッチ / カルコゲナイト / ラマン散乱 / 高温熔融状態 / 結晶-アモルファス転移 / 光記録 / 光学例数 / カルコゲン材料 / 電気抵抗率 / 近接場光 |
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| Research Abstract |
In recording process of optical disks and phase change memory(PCM) devices, chalcogenide material was molten and quenched at recording process by a laser light or Jule heating. The solid state properties at molting phase is needed in order to clarification of the recording process, however, it has not been enough to study the properties at the molting states. In this project, the techniques and equipments for the measurements of refractive indices, electric resistivity and thermal conductivity in melting state were developed, then the development of equipments for the in-situ observation of crystallinity optical disks and PCM and the development of ultra low electric power consumption optical switch element produced by chalcogenide material are also reported.
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