Publication: Luminescence from Bi_2Sr_2CaCu_2O_x and YBa_2Cu_3O_(7-x) films in the scanning electron-microscope
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1992-03-15
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American Institute of Physics
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Abstract
Visible and near infrared cathodoluminescence of Bi_2Sr_2CaCu_2O_x and YBa_2Cu_3O_(7-x) films is investigated in the scanning electron microscope. In particular, possible analogies in the cathodoluminescence of both systems have been analyzed. The spectra show only minor and slightly defined common features. Low-temperature observations show the capability of the cathodoluminescence technique to detect fine structural transitions. Some transformations induced by the electron beam are described.
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© 1992 American institute of Physics.
The help of P. Gbmez throughout this work is acknowledged. This work has been supported by CLCYT (Project MAT 90-47). Financial support from COLCIENCIA is also gratefully acknowledged
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