Specific Heat Anomaly of Au(110)(1x2) Studied by Low-Energy Electron Diffraction.

Abstract

The specific heat critical exponent alpha has been measured for the Gold (110) (1X2) order disorder phase transition using partially integrated Low Energy Electron Diffraction (LEED) intensities. The resulting value, alpha = 0.02 + or - 0.05, is consistent with the predicted using universality class of this transition. Evidence for a reduction in the effective critical temperature due to finite size effects is also presented. Keywords: Phase transitions; Universality; Critical exponents; Low energy electron-diffraction; and Finite size effects.

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Document Details

Document Type
Technical Report
Publication Date
May 01, 1986
Accession Number
ADA168626

Entities

People

  • D. E. Clark
  • P. H. Kleban
  • W. N. Unertl

Organizations

  • University of Maine

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Abstracts
  • Astronomy
  • Brillouin Zones
  • Critical Temperature
  • Diffraction
  • Diseases And Disorders
  • Electron Diffraction
  • Electrons
  • Energy
  • Equations
  • Heat Energy
  • Measurement
  • Military Research
  • Phase Transformations
  • Physics
  • Scattering
  • Specific Heat

Fields of Study

  • Physics

Readers

  • Materials Science and Engineering.

Technology Areas

  • Microelectronics
  • Microelectronics - Graphene