ELECTRON-BEAM EFFECTS ON BI-SR-CA-CU-O SUPERCONDUCTORS

被引：4
作者：
COTAARAIZA, L
GALVAN, DH
FARIAS, MH
机构：
[1] Instituto de Física-UNAM, Laboratorio de Ensenada Apdo, Ensenada, B.C., 22800
来源：
JOURNAL OF MATERIALS RESEARCH | 1991年 / 6卷 / 09期
关键词：
D O I：
10.1557/JMR.1991.1820
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present measurements on the superconductor compound Bi-Sr-Ca-Cu-O, obtained using a scanning Auger microscope (SAM), which indicate that this material is extremely unstable under an electron beam with energy of several KeV. Using relatively high current densities for the SAM, it is possible to melt small regions of the material and to form spheres several micrometers in diameter in a few seconds. We characterize the changes in the elemental concentration of the surface of these spheres as a function of time after the beam exposure.
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页码：1820 / 1822
页数：3
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