Measuring hybridization in GaInAs/InP electron billiard arrays

M. S. Fairbanks, T. P. Martin, B. C. Scannell, C. A. Marlow, Heiner Linke, R. P. Taylor

Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceedingpeer-review

Abstract

We study low temperature magnetoconductance fluctuations in arrays of electron billiards in an effort to quantitatively measure hybridization between array elements. In contrast to previous research in the 'open' regime, which is mostly limited to the canonical AlxGa1-xAs/GaAs heterostructure, our devices are etched into the Ga0.25In0.75As/InP heterostructure. To chart hybridization (i.e. the extent of the coherent electron wavefunction) in the arrays, we use a Fourier analysis to examine the frequency content of the universal conductance fluctuations in one and two element arrays. This analysis reveals strong evidence of wavefunction hybridization over all measured coupling strengths between the array elements. (c) 2009 Elsevier B.V. All rights reserved.
Original languageEnglish
Title of host publicationPhysica E: Low-dimensional Systems and Nanostructures
PublisherElsevier
Pages1205-1207
Volume42
DOIs
Publication statusPublished - 2010
Event18th International Conference on Electronic Properties of Two-Dimensional Systems - Kobe, Japan
Duration: 2009 Jul 192009 Jul 24

Publication series

Name
Number4
Volume42
ISSN (Print)1386-9477

Conference

Conference18th International Conference on Electronic Properties of Two-Dimensional Systems
Country/TerritoryJapan
CityKobe
Period2009/07/192009/07/24

Subject classification (UKÄ)

  • Condensed Matter Physics (including Material Physics, Nano Physics)

Free keywords

  • Magnetoconductance fluctuations
  • Electron coherence
  • Hybridization

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