Optical and magnetic signatures of localized excitations in pernigraniline: Role of neutral solitons

Journal Article · Mon Mar 08 04:00:00 EST 1993 · Physical Review Letters; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.70.1497· OSTI ID:6736456

Su, W P ^[1]; Epstein, A J ^[2]

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1. Department of Physics, University of Houston, Houston, Texas 77204-5506 (United States) Department of Physics, The Ohio State University, Columbus, Ohio 43210-1106 (United States)
2. Department of Physics and Department of Chemistry, The Ohio State University, Columbus, Ohio 43210-1106 (United States)

Using a tight-binding Hamiltonian we study the Peierls distorted form of polyaniline, the pernigraniline base polymer. Both bond order and ring torsional degrees of freedom are considered in the conformational relaxation. The geometrical and electronic structures of the localized excitations are calculated. Comparison with available optical and magnetic measurements is made. Particular emphasis is placed on the spectroscopic and magnetic features of neutral solitons.

• OSTI ID: 6736456
• Journal Information: Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 70:10; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360606* -- Other Materials-- Physical Properties-- (1992-)
AMINES
ANILINE
AROMATICS
ELECTRONIC STRUCTURE
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITATION
GROUND STATES
HAMILTONIANS
MAGNETIC PROPERTIES
MATHEMATICAL OPERATORS
OPTICAL PROPERTIES
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PEIERLS-NABARRO FORCE
PHYSICAL PROPERTIES
POLARONS
POLYMERS
QUANTUM OPERATORS
QUASI PARTICLES
SOLITONS