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Evaluation of effects of nanoscale inhomogeneities on the superconducting transition temperature in hydrogen-doped Zr-Co metallic glasses

Ivan Kokanović ; Department of Physics, Faculty of Science, University of Zagreb, P.O.Box 162, HR-10001 Zagreb, Croatia
Boran Leontić ; Department of Physics, Faculty of Science, University of Zagreb, P.O.Box 162, HR-10001 Zagreb, Croatia
Jagoda Lukatela ; Institute of Physics, P.O.Box 304, Zagreb, Croatia
Denis Dujmić ; Ruđer Boškovć'' Institute, Zagreb, Croatia
Milko Jakšić ; Ruđer Boškovć'' Institute, Zagreb, Croatia


Puni tekst: engleski pdf 431 Kb

str. 33-40

preuzimanja: 62

citiraj


Sažetak

We present the results of measurements of electrical resistivity on hydrogen-doped Zr-Co metallic glass in the vicinity of the superconducting transition temperature, TC, in the temperature range 1.5 K - 4.2 K. The hydrogen dopant lowers the superconducting transition temperature. At the same time, the superconducting transition region is broadened and ``steps'' appear in the resistance curve at the transition. Scanning proton microprobe and p-p scattering have been used to determine areal distributions of hydrogen and depth profiles in the samples studied. Hydrogen depth profiles at particular positions have been deconvoluted using cubic splines. We discuss the effects of different hydrogen environments on the superconducting transition temperature of Zr-Co-H metallic glasses.

Ključne riječi

Hrčak ID:

299839

URI

https://hrcak.srce.hr/299839

Datum izdavanja:

1.3.1997.

Podaci na drugim jezicima: hrvatski

Posjeta: 476 *