Examination of Particles and Outgrowths on the Surface of Epitaxial Yba2Cu3O7 Thin Films
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AbstractThe surface morphology of Yba2Cu3O7 thin films formed on (001)-oriented LaAlO3 substrates by pulsed-laser deposition has been examined using electron and scanning probe microscopies. The observed surface features can be divided into two types: particles formed as a result of material (often molten) ejected from the target and outgrowths formed as a result of nucleation and growth processes on the substrate and/or the film surface. Where both types of surface feature occur on a particular film the outgrowths are always more numerous. The density of outgrowths is strongly related to the deposition parameters and, as a consequence, with the film growth mechanism.
1994 ◽
Vol 52
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pp. 810-811
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2010 ◽
Vol 75
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pp. 202-207
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1998 ◽
Vol 127-129
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pp. 520-524
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2003 ◽
Vol 13
(2)
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pp. 2809-2812
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1999 ◽
Vol 312
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pp. 225-232
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2018 ◽
Vol 9
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pp. 686-692
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