高圧力の科学と技術
Online ISSN : 1348-1940
Print ISSN : 0917-639X
ISSN-L : 0917-639X
特集:放射光高圧力科学30年
超高圧が創る物質現象
青木 勝敏
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ジャーナル フリー

2012 年 22 巻 4 号 p. 276-282

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  Substances densified at pressures of several tens of gigapascals show various behaviors different from those at ambient pressure. Molecules in a solid state dissociate to form an atomic solid or combine to form polymers. Structural transformations with rearrangement of constituted atoms or molecules are common behaviors observed for all substances and often accompanied by electronic and magnetic transitions. High pressure thus develops an exciting world of materials science. Three topics are presented as examples; solid-state polymerization of acetylene, symmetrization of the hydrogen bonds in ice, and phase separation of lanthanum dihydride.

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© 2012 日本高圧力学会
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