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FIZIKA A 8 (1999) 3 , 113-122
 
ELECTRONIC PROPERTIES OF HYDROGEN-DOPED (Zr803d20)1-xHx
(3d = Fe, Co, Ni) METALLIC GLASSES
IVAN KOKANOVIĘ and JAGODA LUKATELAa
Department of Physics, Faculty of Science, University of Zagreb,
Zagreb, Croatia
aInstitute of Physics, P. O. Box 304, Zagreb, Croatia
Dedicated to Professor Boran Leontię on the occasion of his 70th
birthday
Received 12 November 1999; revised manuscript received 3 February 2000
Accepted 21 February 2000
The electrical resistivities of hydrogen-doped (Zr803d20)1-xHx
(3d = Fe, Co, Ni; x £ 0.11) metallic glasses have been
measured at temperatures between 2 K and 290 K. The increase of the room-temperature
resistivity and its temperature coefficient are explained as a consequence of increased
disorder due to hydrogen-doping. The temperature dependence of the resistivity has been
analysed using theoretical models of weak-localisation and electron-electron interaction
in disordered three-dimensional conductors. The hydrogen dopant is found to reduce
effective electron diffusion constant, D, the spin-orbit scattering rate, tso-1, the superconducting transition
temperature, Tc, and broadens the superconducting transition region. We discuss
the effects of different hydrogen environments on Tc of (Zr803d20)1-xHx
metallic glasses.
PACS numbers: 74.70.-b, 75.20.-g
UDC 537.312, 538.95
Keywords: electrical resistivity, metallic glasses, (Zr803d20)1-xHx
(3d = Fe, Co, Ni; x £ 0.11), hydrogen-doped, disordered
three-dimensional conductors, electron diffusion constant, spin-orbit scattering,
superconducting transition temperature
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