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Cathodoluminescence and microRaman analysis of oxygen loss in electron irradiated YBa_2Cu_3O_(7−x)

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http://dx.doi.org/10.1063/1.355147

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1993

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American Institute of Physics
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https://hdl.handle.net/20.500.14352/59277

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Abstract

The effect of oxygen loss on the luminescence of YBa_2Cu_3O_(7-x) has been investigated by cathodoluminescence (CL) in the scanning electron microscope (SEM) and by Raman microprobe measurements. The results herein indicate that a CL band at 530 nm is related to oxygen loss rather than to impurity phases such as Y_2O_3 formed in the material by electron irradiation in the SEM.

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© 1993 American Institute of Physics. This work was partially supported by DGICYT (Project PB 90-1017). The help of Dr. I. A. Garcia and Dr. A. Remón is acknowledged.

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Física de materiales

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