Radiothermoluminescence and Transitions in Polymers |
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Page 25
... trapped electrons ( those formed as a result of electron capture by aromatic solutes , for example 3.3 : Factors Determining Radiothermoluminescence 25 3 Factors Determining Radiothermoluminescence 1 The Nature of Electron Traps 222.
... trapped electrons ( those formed as a result of electron capture by aromatic solutes , for example 3.3 : Factors Determining Radiothermoluminescence 25 3 Factors Determining Radiothermoluminescence 1 The Nature of Electron Traps 222.
Page 51
... electron may become localized by polarizing its surroundings , i.e. , displacing the surrounding ions , to give a self - trapped electron , as predicted by Lan- dau [ 74 ] . For each type of trap , there is a characteristic activation ...
... electron may become localized by polarizing its surroundings , i.e. , displacing the surrounding ions , to give a self - trapped electron , as predicted by Lan- dau [ 74 ] . For each type of trap , there is a characteristic activation ...
Page 111
... electrons from traps takes place at the temperatures at which these peaks appear . Increases in the rate of detrapping can occur because the thermal energy kT is sufficient to lift an electron over the barrier potential of the trap or ...
... electrons from traps takes place at the temperatures at which these peaks appear . Increases in the rate of detrapping can occur because the thermal energy kT is sufficient to lift an electron over the barrier potential of the trap or ...
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Common terms and phrases
activation energy annealing atactic atoms blend changes charge Charlesby Chem chemical cis-polybutadiene components concentration constant cooling copolymer cross-linking crystal decay decrease density depends dielectric distribution dose E/kT electron affinity electron traps emission entropy equilibrium evaluation excited molecules factor first-order fluorescence fraction free volume frequency frequency factor glass glass-transition temperature glow curve glow peak grafting heating increase INTENSITY relative units interaction interfacial intersystem crossing interzonal ionization irradiation isotactic kinetic linear low-temperature luminescence centers LUMINESCENCE INTENSITY relative Macromolecules material maxima maximum mechanical melting method molecular motion molecules Nikolskii nuclear magnetic resonance observed occur oxygen phase phosphorescence Phys polybutadiene polyethylene samples polyisobutylene polypropylene polystyrene position quenching radiation radicals radiothermoluminescence reaction recombination relaxation transitions room temperature secondary relaxation semicrystalline semicrystalline polymers spectra spectroscopy structure temperature thermal thermodynamic thermoluminescence thermoluminescence peaks tion transition temperature trapped electrons untrapping vibrational vinyl vulcanization whereas Zlatkevich
References to this book
Polymer Surfaces and Interfaces II, Volume 2 W. J. Feast,H. S. Munro,R. W. Richards Snippet view - 1993 |