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Titolo:
Neutron scattering studies of the model glass former ortho-terphenyl
Autore:
Tolle, A;
Indirizzi:
Univ Basel, Bioctr, Dept Biophys, CH-4056 Basel, Switzerland Univ Basel Basel Switzerland CH-4056 Biophys, CH-4056 Basel, Switzerland
Titolo Testata:
REPORTS ON PROGRESS IN PHYSICS
fascicolo: 11, volume: 64, anno: 2001,
pagine: 1473 - 1532
SICI:
0034-4885(200111)64:11<1473:NSSOTM>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
DEPOLARIZED-LIGHT-SCATTERING; SUPERCOOLED ORTHO-TERPHENYL; DYNAMIC STRUCTURE FACTOR; COUPLING-THEORY ANALYSIS; STATIC STRUCTURE FACTOR; BETA-RELAXATION REGIME; TAGGED-PARTICLE MOTION; LIQUID ORTHO-TERPHENYL; O-TERPHENYL; FORMING LIQUIDS;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
201
Recensione:
Indirizzi per estratti:
Indirizzo: Tolle, A Univ Basel, Bioctr, Dept Biophys, Klingelbergstr 70, CH-4056 Basel, Switzerland Univ Basel Klingelbergstr 70 Basel Switzerland CH-4056 itzerland
Citazione:
A. Tolle, "Neutron scattering studies of the model glass former ortho-terphenyl", REP PR PHYS, 64(11), 2001, pp. 1473-1532

Abstract

The van der Waals liquid ortho-terphenyl has long been used as a model system in the study of the glass transition. Motivated by mode-coupling theory, extensive experiments have been undertaken to monitor the onset of structural relaxation on microscopic time- and lengthscales. Using in particular quasielastic neutron scattering, the decay of density and tagged-particle correlations has been measured as a function of temperature, pressure and wavenumber. A consistent picture is developed, in which the mode-coupling singularity appears as a change of transport mechanism in the moderately viscous liquid, at temperatures far above the conventional (caloric) glass transition.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 27/05/20 alle ore 15:43:37