Accession Number:

ADA191211

Title:

Statistical Fine Structure in the Inhomogeneously Broadened Electronic Origin of Pentacene in p-Terphenyl.

Descriptive Note:

Technical rept.,

Corporate Author:

IBM ALMADEN RESEARCH CENTER SAN JOSE CA

Report Date:

1988-01-29

Pagination or Media Count:

49.0

Abstract:

Recently, the first observation of statistical fine structure on an inhomogeneously broadened absorption profile was reported W. E. Moerner, T.P. Carter, Phys.Rev.Lett.59,27051987 for mixed crystals of pentacene in p-terphenyl using laser FM spectroscopy. Statistical fine structure is time-independent structure on the inhomogeneous line caused by statistical variations, in the spectral density of absorbers in each frequency interval. In this work, a model and an analysis of statistical fine structure using autocorrelation techniques are presented, and the dependence of the effect for pentacene in p-terphenyl at 1.4K on modulating frequency, detection phase, sample position, center concentration, and site is described. Keywords Statistical fine structure, Inhomogeneous broadening, Molecular spectroscopy, Defects, Solids.

Subject Categories:

  • Physical Chemistry
  • Atomic and Molecular Physics and Spectroscopy
  • Crystallography

Distribution Statement:

APPROVED FOR PUBLIC RELEASE