DISLOCATION-INDUCED RISE OF SUPERCONDUCTING TRANSITION-TEMPERATURE IN NB

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作者：
AKSENOV, VK
SOKOLENKO, VI
STARODUBOV, YD
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来源：
FIZIKA NIZKIKH TEMPERATUR | 1993年 / 19卷 / 10期
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O59 [应用物理学];
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摘要：
The influence of distribution of high-density (N-d) dislocations formed due to toning at 20 K upon the superconducting transition temperature T-c of single-crystal Nb is studied. For uniformly distributed dislocations in the range N-d = (6-13). 10(10) cm(-2) the experimental increment of T-c agrees with calculation within the model of additional electron attraction due to dislocation oscillations. When rotational plasticity occurs, the sharp rise of T-c is connected with growing fields of elastic stresses.
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页码：1083 / 1086
页数：4
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