Journal
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume 21, Issue 45, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0953-8984/21/45/455304
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- National Cheng Kung University (Taiwan)
- RFBR (Russia)
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Superconductivity and crystalline structure were studied for two nanocomposites consisting of gallium loaded porous glasses with different pore sizes. The superconducting transition temperatures were found to differ from those in known bulk gallium modifications. The transition temperatures 7.1 and 6.7 K were ascribed to two new confined gallium structures, iota- and kappa-Ga, observed by synchrotron radiation x-ray powder diffraction. The evolution of superconductivity on decreasing the pore filling with gallium was also studied.
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