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Photoinduced phenomena in HTS films of YBa2Cu3O6+<i>δ</i>

V. M. DmitrievB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy of Sciences, 310164 KharkovV. V. EremenkoB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy of Sciences, 310164 KharkovV. G. PiryatinskayaB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy of Sciences, 310164 KharkovO. R. Prikhod’koB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy of Sciences, 310164 KharkovE. V. KhristenkoB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy of Sciences, 310164 Kharkov

Low Temperature Physicsjournal1993en

ABI

Annotatsiya

The variation of spectral and current-carrying properties of YBa2Cu3O6+δ epitaxial films with different oxygen indices δ upon exposure to light is considered. It is shown that in the range 0.5 &lt; δ &lt; 0.75, illumination causes a decrease in the resistance and certain changes in the optical absorption spectrum which are equivalent to an increase in the oxygen content. It is also shown that even for δ &gt; 0.75, illumination leads to a variation of the current-carrying characteristics of the films by changing the critical current density, while the temperature dependence of the resistance practically remains unchanged.

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Mavzular

Physics of Superconductivity and Magnetism Magnetic properties of thin films Chemical and Physical Properties of Materials

Identifikatorlar

DOI: 10.1063/10.0033561

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