Structural instability of ultrafine particles of metals

書誌事項

公開日
1986-02-10
権利情報
  • http://link.aps.org/licenses/aps-default-license
DOI
  • 10.1103/physrevlett.56.616
公開者
American Physical Society (APS)

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説明

Dynamic behavior of ultrafine particles of gold around 20 A\r{} in size was examined at the level of the atomic resolution by an electron microscope equipped with a real-time video recording system. In real time, it was observed that the shape of the particles changed continually through an internal transformation from a single crystal to a twinned crystal, and vice versa. The transformations were induced to some extent by the irradiation of the electron beam. They took place abruptly in less than 0.1 sec.

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