DVDの書き換え原理 : 結晶-アモルファス相転移のメカニズム Re-Writability and its Mechanism in DVD : Phase-Change Mechanism Chalcogenide Alloy between Amorphous and Crystal

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著者

    • 富永 淳二 TOMINAGA Junji
    • (独)産業技術総合研究所 近接場光応用工学研究センター Center for Applied Near-Field Optics Research (CAN-FOR), National Institute of Advanced Industrial Science and Technology (AIST)
    • フォンズ ポール FONS Paul
    • (独)産業技術総合研究所 近接場光応用工学研究センター Center for Applied Near-Field Optics Research (CAN-FOR), National Institute of Advanced Industrial Science and Technology (AIST)

抄録

In optical phase-change materials, especially, Ge<SUB>2</SUB>Sb<SUB>2</SUB>Te<SUB>5</SUB> has widely been used as a heat of rewritable optical storage media. The chalcogenide material shows a good performance in write-erase cyclability and optical contrast: refractive index change between amorphous and crystal state. However, the high-speed switching mechanism has long been not well understood because of the difficulty of the amorphous analysis. In 2004, we gave one solution for the issue. Since then, a number of discussions and critics have raised up on the new model because the amorphous state in the model is not amorphous like. In this review, we want to give a clear solution to understand what is <I>amorphous</I> in chalcogenides and how different is the <I>amorphous</I> from normal glass amorphous.

収録刊行物

  • レーザー研究  

    レーザー研究 36(6), 349-356, 2008-06-15 

    The Laser Society of Japan

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各種コード

  • NII論文ID(NAID)
    10021105965
  • NII書誌ID(NCID)
    AN00255326
  • 本文言語コード
    JPN
  • 資料種別
    REV
  • ISSN
    03870200
  • NDL 記事登録ID
    9550664
  • NDL 雑誌分類
    ZN33(科学技術--電気工学・電気機械工業--電子工学・電気通信)
  • NDL 請求記号
    Z16-1040
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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