SYNTHESIS OF NANOSIZE POWDERS OF ALUMINA BY ABLATION PLASMA PRODUCED BY INTENSE PULSED LIGHT-ION BEAM

被引：55

作者：

YATSUI, K ^{[1
]}

GRIGORIU, C ^{[1
]}

KUBO, H ^{[1
]}

MASUGATA, K ^{[1
]}

SHIMOTORI, Y ^{[1
]}

机构：

[1] NIPPON SEIKI CO LTD,CTR R&D,NAGAOKA,NIIGATA 94021,JAPAN

来源：

APPLIED PHYSICS LETTERS | 1995年 / 67卷 / 09期

关键词：

D O I：

10.1063/1.115011

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Nanosize powders of alumina have been synthesized by high-density ablation plasma produced by the irradiation of an intense, pulsed, light-ion beam on an aluminum target in oxygen. Diameters of the powders, which are observed to be spherical, are typically 5-25 nm. At 1 Torr of oxygen, nanosize powders of aluminum are synthesized with those of a small amount of gamma-alumina. At 10 Torr of oxygen, on the other hand, gamma-alumina powders are produced with a small amount of aluminum powders. Annealing characteristics in nitrogen have also been studied on the transition from gamma- to alpha-alumina. (C) 1995 American Institute of Physics.

引用

页码：1214 / 1216

页数：3

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