Positron and positronium annihilation studies of phase behaviour in confined geometry

M. Alam; H. Fretwell; J. Duffy; A. Clarke; S. Dugdale

doi:10.1007/bf02056372

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 210: Issue 2

Positron and positronium annihilation studies of phase behaviour in confined geometry

Authors:

M. Alam

M. Alam University of Bristol H. H. Wills Physics Laboratory Tyndall Av. BS8 1TL Bristol (UK)

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H. Fretwell

H. Fretwell University of Bristol H. H. Wills Physics Laboratory Tyndall Av. BS8 1TL Bristol (UK)

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J. Duffy

J. Duffy University of Bristol H. H. Wills Physics Laboratory Tyndall Av. BS8 1TL Bristol (UK)

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A. Clarke

A. Clarke University of Bristol H. H. Wills Physics Laboratory Tyndall Av. BS8 1TL Bristol (UK)

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S. Dugdale

S. Dugdale University of Bristol H. H. Wills Physics Laboratory Tyndall Av. BS8 1TL Bristol (UK)

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Pages:: 255–271

Online Publication Date:: 13 Aug 2005

Publication Date:: 17 Nov 1996

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02056372

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Abstract

In this paper we present a brief review of the current state of positron annihilation research into the phase behaviour of fluids confined within restricted boundaries. We summarise, in the form of selected examples, the work done so far on: (1) fluids confined in the nanometer-size pores of VYCOR glass, with particular emphasis on the confined phase diagram and the mechanisms behind phase transitions compared to bulk. (2) The adsorption/physisorption of gases on internal surfaces of grafoil and the potential of positron technique for revealing physical properties, such as the intricate molecular arrangements during phase transitions of the layered fluid.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)