Development of the surface morphology of laser-ablated epitaxial thin films of YBa2Cu3O7-delta on MgO

被引：0
|
作者：
Yeadon, M
Aindow, M
Wellhofer, F
Woodall, P
Abell, JS
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来源：
ELECTRON MICROSCOPY AND ANALYSIS 1995 | 1995年 / 147卷
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T [工业技术];
学科分类号：
08 ;
摘要：
Laser-ablated epitaxial YBa2Cu3O7-delta thin films on (001)MgO substrates have been examined using scanning tunnelling microscopy. The characteristic growth spirals are not observed for film thicknesses of <35nm which is consistent with them being formed at the emergent threading segments of dislocation half-loops introduced in response to residual misfit strain. The variation in spiral density with film thickness is discussed.
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页码：263 / 266
页数：4
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