Liquid-vapor critical behavior of neon confined in aerogel

Authors
Tan, HW Beamish, JR
Citation
Hw. Tan et Jr. Beamish, Liquid-vapor critical behavior of neon confined in aerogel, PHYSICA B, 284, 2000, pp. 389-390
Citations number
4
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICA B
ISSN journal
09214526 → ACNP
Volume
284
Year of publication
2000
Part
1
Pages
389 - 390
Database
ISI
SICI code
0921-4526(200007)284:<389:LCBONC>2.0.ZU;2-E
Abstract
We have used an acoustic technique to study the critical behavior of neon c onfined in a 95% porosity silica aerogel grown in the 10 mu m channels of a glass capillary array. Shear and longitudinal ultrasonic waves showed larg e velocity dips and attenuation peaks due to the diverging compressibility near the critical point. Confinement in the aerogel lowers the critical tem perature slightly and appears to narrow the coexistence region. (C) 2000 El sevier Science B.V. All rights reserved.