ACOUSTOELECTRIC EFFECT OF SUPERCONDUCTING YBA2CU3O7-X FILMS

被引：0
|
作者：
ILISAVSKII, YV
YAKHKUND, EZ
GOLMAN, EK
MITROFANOV, AP
机构：
来源：
JETP LETTERS | 1990年 / 52卷 / 10期
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中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
An acoustoelectric effect has been studied in a layered structure consisting of YZ-LiNbO3 and a superconducting YBa2Cu3O7-x film. At 300 K the acoustic voltage has a positive sign, i.e., it corresponds to a hole conductivity. At T less-than-or-equal-to T(c) = 98 K the acoustic voltage decreases sharply to zero (at 95 K), changes sign, and increases in absolute value to a maximum at T = 90 K (R = 0). It then decreases to zero at 78-81 K.
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页码：542 / 545
页数：4
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