Electronic transport behaviors due to charge density waves in Ni-Nb-Zr-H glassy alloys

Mikio Fukuhara, Yoshimasa Umemori

Research output: Contribution to journalArticle

Abstract

The amorphous Ni-Nb-Zr-H glassy alloy containing subnanometer-sized icosahedral Zr5 Nb5Ni3 clusters exhibited four types of electronic phenomena: a metal/insulator transition, an electric current-induced voltage oscillation (Coulomb oscillation), giant capacitor behavior and an electron avalanche with superior resistivity. These findings could be excluded by charge density waves that the low-dimensional component of clusters, in which the atoms are lined up in chains along the [130] direction, plays important roles in various electron transport phenomena.

Original languageEnglish
Article number1350164
JournalInternational Journal of Modern Physics B
Volume27
Issue number28
DOIs
Publication statusPublished - 2013 Nov 10

Keywords

  • Coulomb oscillation
  • Glassy alloys
  • charge density waves
  • cluster
  • metal/insulator transition

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Condensed Matter Physics

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