Morphological control of vertically self-aligned nanosheets formed on magnesium alloy by surfactant-free hydrothermal synthesis

Takahiro Ishizaki, Sung Pyo Cho, Naobumi Saito

研究成果: Article査読

17 被引用数 (Scopus)

抄録

Crystalline nanosheets were successfully formed on magnesium alloy AZ31 by a facile surfactant-free hydrothermal treatment using aqueous solution. The crystal structures and shapes of the nanosheets changed with the treatment temperature. On treatment at 120 °C, rosette-like structures made from curved nanosheets of crystalline Mg1-xAlx(OH) 2(NO3)x·nH2O were formed. At 150 °C, plate-like nanosheets of crystalline Mg1-xAl x(OH)2(NO3)x·nH2O and Mg(OH)2 were formed. Further increase in the treatment temperature to 180 °C yielded larger crystals with sharp edges. The crystallites were crystalline Mg(OH)2 with a distinct plate-like shape with the edges preferentially directed out of the magnesium alloy. The formation mechanism of this morphology is also discussed.

本文言語English
ページ(範囲)2338-2343
ページ数6
ジャーナルCrystEngComm
11
11
DOI
出版ステータスPublished - 2009 10 27
外部発表はい

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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