Positron and positronium annihilation studies of phase behaviour in confined geometry
β Scribed by M. A. Alam; H. M. Fretwell; J. A. Duffy; A. P. Clarke; S. B. Dugdale
- Book ID
- 112680399
- Publisher
- Springer
- Year
- 1996
- Tongue
- English
- Weight
- 1001 KB
- Volume
- 210
- Category
- Article
- ISSN
- 1588-2780
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π SIMILAR VOLUMES
Structural relaxation processes are reported in polystyrene as a function of ageing time using positron annihilation lifetime and Doppler broadening spectroscopy. Changes in the intensity, lifetimes and line shapes with increasing temperature for ortho positronium annihilation show an internal consi
The aggregation behaviour of di(2-ethyl hexyl) phosphoric acid (HDEHP) in n-heptane was studied by the positron annihilation technique. The discontinuity in the positronium formation intensity, 12, as a function of HDEHP concentration suggested formation of close aggregates of HDEHP molecules.