Magnetic properties of the Fe{sup II} spin crossover complex in emulsion polymerization of trifluoroethylmethacrylate using poly(vinyl alcohol)
- Department of Materials Science, The University of Shiga Prefecture, 2500 Hassaka, Hikone 522-8533 (Japan)
- Institute for Molecular Science, Okazaki 444-8585 (Japan)
Influence of chemical substitution in the Fe{sup II} spin crossover complex on magnetic properties in emulsion polymerization of trifluoroethylmethacrylate using poly(vinyl alcohol) as a protective colloid was investigated near its high spin/low spin (HS/LS) phase transition. The obvious bi-stability of the HS/LS phase transition was considered by the identification of multiple spin states between the quintet (S=2) states to single state (S=0) across the excited triplet state (S=1). Magnetic parameters of gradual shifts of anisotropy g-tensor supported by the molecular distortion of the spin crossover complex would arise from a Jahn-Teller effect regarding ligand field theory on the basis of a B3LYP density functional theory using electron spin resonance (ESR) spectrum and X-ray powder diffraction. - Graphical abstract: AFM surface image of the emulsion particles with the spin crossover complex.
- OSTI ID:
- 21372577
- Journal Information:
- Journal of Solid State Chemistry, Vol. 183, Issue 4; Other Information: DOI: 10.1016/j.jssc.2010.02.014; PII: S0022-4596(10)00070-8; Copyright (c) 2010 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; ISSN 0022-4596
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
ANISOTROPY
DENSITY FUNCTIONAL METHOD
ELECTRON SPIN RESONANCE
EMULSIONS
FIELD THEORIES
IRON COMPLEXES
JAHN-TELLER EFFECT
LIGANDS
MAGNETIC PROPERTIES
PHASE TRANSFORMATIONS
POLYMERIZATION
PVA
SPECTRA
SYNTHESIS
X-RAY DIFFRACTION
ALCOHOLS
CALCULATION METHODS
CHEMICAL REACTIONS
COHERENT SCATTERING
COLLOIDS
COMPLEXES
DIFFRACTION
DISPERSIONS
HYDROXY COMPOUNDS
MAGNETIC RESONANCE
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PHYSICAL PROPERTIES
POLYMERS
POLYVINYLS
RESONANCE
SCATTERING
TRANSITION ELEMENT COMPLEXES
VARIATIONAL METHODS