Water Polyamorphism : Experimental Verification of the Validity(Review)

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Bibliographic Information

Other Title
  • 水のポリアモルフィズム : 実験によるその正当性の検証(交流)
  • 交流 水のポリアモルフィズム--実験によるその正当性の検証
  • コウリュウ ミズ ノ ポリアモルフィズム ジッケン ニ ヨル ソノ セイトウセイ ノ ケンショウ

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Description

At low temperatures, water forms two amorphous states so-called low-density amorphous ice (LDA) and high-density amorphous ice (HDA). The density and the local structure are distinct between LDA and HDA. Recent low-temperature and high-pressure experimental studies relating to supercooled liquid water and amorphous ices suggest that liquid water is connected with two amorphous ices thermodynamically and that the nature of LDA-HDA transformation may be first order. This indicates that two distinct liquid waters exist at low temperatures, so-called the water polyamorphism. In this paper, we introduce recent experimental studies that show the validity of water polyamorphism, and discuss the experimental problems of water polyamorphism.

Journal

  • Butsuri

    Butsuri 61 (5), 318-324, 2006-05-05

    The Physical Society of Japan

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