Uniaxial Stress Effects on Exciton Spectra in PbI_2 Thin Film and PbI_2/CdI_2 Superlattice

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Uniaxial stress effects on exciton spectra in PbI<SUB>2</SUB> thin film and PbI<SUB>2</SUB>/CdI<SUB>2</SUB> superlattice at 77K are investigated for the first time. In PbI<SUB>2</SUB> thin film the observed exciton absorption peaks are found to have a pressure coefficient of -150±5meV/GPa. This value is different from that under hydrostatic pressure in bulk material and the difference reflects the smaller volume compression by the uniaxial stress. In PbI<SUB>2</SUB>/CdI<SUB>2</SUB> superlattice the uniaxial stress gives a large reduction of the well width and then yields a pressure coefficient of the exciton peak, -125±10 meV/GPa, being smaller in magnitude than that in thin film.

収録刊行物

  • 高圧力の科学と技術 = The Review of high pressure science and technology  

    高圧力の科学と技術 = The Review of high pressure science and technology 7, 745-747, 1998 

    The Japan Society of High Pressure Science and Technology

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各種コード

  • NII論文ID(NAID)
    10002691707
  • NII書誌ID(NCID)
    AN10452913
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    0917639X
  • NDL 記事登録ID
    4494042
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z17-1589
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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