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| VOLUME 34 (1981) | ISSUE 4 |
PAGE 207
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Superconductivity of a layer of microscopic twin crystals
Khlyustikov I. N., Khaikin M. S.
A macroscopic current has been observed to flow along the polished end of a tin sample at T>TC. The superconductivity of a layer ~4χ10~4 cm thick is attributed to a three-dimensional array of regions of <301> twinning planes, separated by distances ~10~5 cm. A superconductivity of the "two-dimensional metal" near such plane has been observed previously [M. S. Khaikin and I. N. Khlyustikov, Pis'ma Zh. Eksp. Teor. Fiz. 33, 167 (1981) [JETP Lett. 33, 158 (1981)]}. The same method has now been used to observe a superconductivity of <101> twinning planes in indium twin crystals.
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![](/ps/1516/article_23168_800_head.png "A macroscopic current has been observed to flow along the polished end of a tin sample at <i>T>T<sub>C</sub>. </i>The superconductivity of a layer ~4χ10~<sup>4</sup> cm thick is attributed to a three-dimensional array of regions of <301> twinning planes, separated by distances ~10~<sup>5</sup> cm. A superconductivity of the "two-dimensional metal" near such plane has been observed previously [M. S. Khaikin and I. N. Khlyustikov, Pis'ma Zh. Eksp. Teor. Fiz. 33, 167 (1981) [JETP Lett. 33, 158 (1981)]}. The same method has now been used to observe a superconductivity of <101> twinning planes in indium twin crystals.")