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1997 | 92 | 1 | 152-156
Article title

Two-Dimensional Behavior of YBa_{2}Cu_{3}O_{x} Films on SrTiO_{3} Substrates

Content
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Languages of publication
EN
Abstracts
EN
Long-term (up to 18 months) degradation of textured YBa_{2}Cu_{3}O_{x} films prepared by laser ablation and magnetron sputtering on single crystal SrΤiO_{3}, MgO and Al_{2}O_{3} substrates were investigated. All films at each stage of exposition displayed a clearly visible quasi-2D behavior. From the measurements of the Kosterlitz-Thouless temperature it could be concluded that the oxygen content and density of charge carriers remained constant. It follows that the main consequence of degradation is the omission of some planes from the transport of supercurrent and the samples could be described in the model of layered structure with variable number of conducting planes. Using this model we find that effective thickness of an isolated CuO_{2} plane in samples with greatest internal damage is ≈2Å.
Keywords
Year
Volume
92
Issue
1
Pages
152-156
Physical description
Dates
published
1997-07
References
Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv92z116kz
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