Symmetrical field effect and slow electron relaxation in granular aluminium

2003/04/01 by T. Grenet, Thierry Grenet · 6 citations
Chemistry · Materials Science · Physics and Astronomy · #Advanced Physical and Chemical Molecular Interactions #Chemical and Physical Properties of Materials #Quantum and electron transport phenomena #cond-mat.dis-nn #cond-mat.mtrl-sci

paper · pdf · doi:10.1140/epjb/e2003-00097-3

published as European Physical Journal B: Condensed Matter and Complex Systems 32 (2003) 275

openalex publication_date 2003/04/01 · arxiv created 2012/06/21 · arxiv updated 2012/06/22 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

Conductivity and field effect measurements in thin insulating Al granular films are reported. The occurrence of a symmetrical field effect and of very slow conductance relaxations is demonstrated. They are identical to the electron glassy behaviours already reported in insulating indium oxide thin films. The results suggest that the phenomena are quite general. The study of structurally discontinuous samples should help to understand the origin and mechanism of the glassy behaviour.

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• Marginal Stability in Structural, Spin, and Electron Glasses
• Coexistence of anomalous field effect and mesoscopic conductance fluctuations in granular aluminium
• Electron glass in samples approaching the mesoscopic regime
• Slow Conductance Relaxation in Insulating Granular Al: Evidence for Screening Effects
• Electron Glass Dynamics
• Huge (but Finite) Time Scales in Slow Relaxations: Beyond Simple Aging