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Proceedings Paper

Spectroscopic effects of disorder and vibrational localization in mixed-halide metal-halide chain solids
Author(s): Steven P. Love; B. Scott; L. A. Worl; S. C. Huckett; Avadh B. Saxena; X. Z. Huang; Alan R. Bishop; Basil I. Swanson
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Paper Abstract

Resonance Raman techniques, together with lattice-dynamics and Peierls-Hubband modelling, are used to explore the electronic and vibrational dynamics of the quasi-one-dimensional metal-halogen chain solids [Pt(en)2][Pt(en)2X2](ClO4)4, (en equals C2H8N2 and X equals Cl, Br), abbreviated 'PtX.' The mixed-halide materials PtCl1-xBrx and PtCl1-xIx consist of long mixed chains with heterojunctions between segments of the two constituent materials. Thus, in addition to providing mesoscale modulation of the chain electronic states, they serve as prototypes for elucidating the properties to be expected for macroscopic heterojunctions of these highly non-linear materials. Once a detailed understanding of the various local vibrational modes occurring in these disordered solids is developed, the electronic structure of the chain segments and junctions can be probed by tuning the Raman excitation through their various electronic resonances.

Paper Details

Date Published: 2 July 1993
PDF: 9 pages
Proc. SPIE 1857, Lasers and Optics for Surface Analysis, (2 July 1993); doi: 10.1117/12.148516
Show Author Affiliations
Steven P. Love, Los Alamos National Lab. (United States)
B. Scott, Los Alamos National Lab. (United States)
L. A. Worl, Los Alamos National Lab. (United States)
S. C. Huckett, Los Alamos National Lab. (United States)
Avadh B. Saxena, Los Alamos National Lab. (United States)
X. Z. Huang, Los Alamos National Lab. (United States)
Alan R. Bishop, Los Alamos National Lab. (United States)
Basil I. Swanson, Los Alamos National Lab. (United States)


Published in SPIE Proceedings Vol. 1857:
Lasers and Optics for Surface Analysis
Mattanjah S. de Vries, Editor(s)

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