Structural changes in Se‐Te bilayers by laser writing
作者:
S. R. Herd,
K. Y. Ahn,
R. J. von Gutfeld,
D. R. Vigliotti,
期刊:
Journal of Applied Physics
(AIP Available online 1982)
卷期:
Volume 53,
issue 5
页码: 3520-3522
ISSN:0021-8979
年代: 1982
DOI:10.1063/1.331174
出版商: AIP
数据来源: AIP
摘要:
Transmission electron microscopy is used to characterize the hole‐formation process due to laser writing in evaporated and sputtered Te thin films and in a Se‐Te bilayer. Bilayers, with Se as the top layer, combine the effect of an antireflective coating with protection against oxidation and provide the advantage of alloy formation during spot writing. Solidification of the melt in the Se‐Te spot takes place as an amorphous alloy resulting in smooth‐rimmed, clean holes. In contrast, Te crystallizes from the melt, giving rise to uneven rims and debris inside the spot.
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