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International Symposium on Positron Annihilation Studies of Fluids, 1987

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Published by World Scientific Pub Co Inc .
Written in English

Subjects:

  • Condensed matter physics (liquids & solids),
  • Particle & high-energy physics,
  • Reference,
  • Particle Physics,
  • Science,
  • Congresses,
  • Fluids,
  • Positron annihilation,
  • Science/Mathematics

Book details:

The Physical Object
FormatHardcover
Number of Pages640
ID Numbers
Open LibraryOL13212668M
ISBN 109971504723
ISBN 109789971504724

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International Symposium on Positron Annihilation Studies of Fluids ; Arlington, Texas, June editor Suresh C. Sharma World Scientific, cAuthor: Suresh C. Sharma. It was especially pleasing to see Roy's students Dennis Lock and Vic Crisp (`L' and `C') at the symposium. Roy's authoritative book Positron Studies of Condensed Matter, published in , has become a `bible' for several generations of graduate students entering the field, and is still quoted regularly in research papers. In the late s Roy. 2. International Symposium on Positron Annihilation Studies of Fluids, organized by S. C. Sharma in Arlington, Texas in , could be interpreted as precursors, hence the "3" in PPC History of PPC. A positron workshop organized by H. J. Ache and D. M. Schrader in Blackburg, Virginia in The results of positron annihilation lifetime (PAL) measurements of the Juniperus communis based biomaterial NEFROVIL are reported for the first time. Three- and four-component fittings were applied.

  It is formed when a high energy positron emitted from a radioactive source such as 2ZNa captures a spin-parallel electron from the surrounding medium. In molecular substances o-Ps annihilates through a process called 'pick-off annihilation where the positron of o-Ps annihilates with one of the bound electrons with opposite spin. Positron‐lifetime measurements were used to study vacancy defects in as‐grown GaAs liquid‐phase epitaxial layers. The second lifetime τ 2 was identified to be related to arsenic vacancies. The effect of growth temperature on positron annihilation was observed. The defect concentration as a function of growth temperature was estimated.   The free volume was studied using the positron annihilation lifetime spectroscopy (PALS) technique to indicate the relative size and concentration of free volume cavities in the copolymers. The homopolymers were polyethylene terephthalate) (PET) and poly(l,4 cyclohexamethylene terephthalate) (PCT). Positron annihilation study of the Mg-Zn -Y alloys with long period stacking ordered (LPSO) structures. H X Xu 1,2,4, K Inoue 2, Y Nagai 2,5, T Toyama 2, Y Matsukawa 2, A Kuramoto 2, D Egusa 3, E Abe 3 and B J Ye 1,4. Published 10 June • Published under licence by IOP Publishing Ltd.

Positron annihilation spectroscopy (PAS) is used to study Si-rich SiO2 samples prepared by implantation of Si ( keV) ions at doses in the range 3×–3× cm−2 . International Symposium on Positron Annihilation Studies of Fluids; August International Journal of Quantum Chemistry. Positron Annihilation Studies of Fluids, ed. S. Sharma (World. Discontinuous and continuous volume phase transitions of organic polymer hydrogels, such as polyacrylamide (PAAm) and poly(N-isopropylamide) (PNIPA) gels, uponpH and temperature were studied by the positron annihilation lifetime measurement, which allows the estimation of size, intensity and size distribution of the free volume. Microscopic changes of physical and chemical interactions . In International Symposium on Positron anihilation studies of fluids; Sharma, S. C., Ed.; World Scientific: Arligton, ; p A primer on integral equation of first order.