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The resistivity and the magnetoresistivity of hydrogen-doped Zr_67 Co_33 metallic glass


Kokanović, Ivan; Leontić, Boran; Lukatela, Jagoda
The resistivity and the magnetoresistivity of hydrogen-doped Zr_67 Co_33 metallic glass // Journal of non-crystalline solids, 207 (1996), 2; 673-677 (međunarodna recenzija, članak, znanstveni)


Naslov
The resistivity and the magnetoresistivity of hydrogen-doped Zr_67 Co_33 metallic glass

Autori
Kokanović, Ivan ; Leontić, Boran ; Lukatela, Jagoda

Izvornik
Journal of non-crystalline solids (0022-3093) 207 (1996), 2; 673-677

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Quantum localization; magnetoresistivity; metallic glass

Sažetak
The electrical resistivity of hydrogen-doped Zr67Co33, metallic glass has been measured at temperatures between 1.7 K and 4.2 K and in magnetic fields up to 9 T for various dopant concentrations. The temperature and magnetic field dependence have been analyzed using the theoretical models of weak-localization and electron-electron interaction in disordered three-dimensional conductors. Doping the samples with hydrogen increases disorder. In a Zr67Co33 system, which becomes superconducting at 2.74 K, hydrogen reduces both the effective electron diffusion constant and the screening of the Coulomb interaction, leading to a decrease in conductivity and suppression of the superconducting transition temperature, The relative contributions of the spin-orbit and the Maki-Thompson interaction to the magnetoresistivity are also depressed.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
00350104
119203

Ustanove
Institut za fiziku, Zagreb,
Prirodoslovno-matematički fakultet, Zagreb

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus