We present a comparative analysis of dielectric spectroscopy and optical Kerr effect measurements of relaxation processes in glass-forming phenyl glycidyl ether. In particular we focus our attention on the structural alpha-relaxation process and the most important finding is the existence of a constant scaling factor between the characteristic times obtained by the two experiments in the high-temperature region.
Structural relaxation process in glass-forming liquids: a comparison between OKE and dielectric spectroscopy / D. PREVOSTO; P. BARTOLINI; R. TORRE; S. CAPACCIOLI; M. RICCI; A. TASCHIN; D. PISIGNANO; M. LUCCHESI.. - In: PHILOSOPHICAL MAGAZINE. B. PHYSICS OF CONDENSED MATTER. STATISTICAL MECHANICS, ELECTRONIC, OPTICAL AND MAGNETIC PROPERTIES. - ISSN 1364-2812. - STAMPA. - 82:(2002), pp. 553-561. [10.1080/13642810208223144]
Structural relaxation process in glass-forming liquids: a comparison between OKE and dielectric spectroscopy.
BARTOLINI, PAOLO;TORRE, RENATO;RICCI, MARILENA;TASCHIN, ANDREA;
2002
Abstract
We present a comparative analysis of dielectric spectroscopy and optical Kerr effect measurements of relaxation processes in glass-forming phenyl glycidyl ether. In particular we focus our attention on the structural alpha-relaxation process and the most important finding is the existence of a constant scaling factor between the characteristic times obtained by the two experiments in the high-temperature region.
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