Existence of a second glass transition in the mixed alkali cyanides

R. Jimenez Fachbereich Physik der Universitát des Saarlandes, Postfach 1150, D-66041, Saarbrücken, Germany

B. Jimenez Instituto de Ciencia de Materiales, Sede A. CSIC. C/ Serrano 144, E-28006, Madrid, Spain

J. K. Krüger Fachbereich Physik der Universitát des Saarlandes, Postfach 1150, D-66041, Saarbrücken, Germany

J. Schreiber Fachbereich Physik der Universitát des Saarlandes, Postfach 1150, D-66041, Saarbrücken, Germany

F. Sayetat Laboratoire de Crystallographie CNRS, BP166, F-38042, Grenoble, France

F. Mauvy Laboratoire de Crystallographie CNRS, BP166, F-38042, Grenoble, France

Abstract

The temperature dependence of the elastic constants of K_xNa_1-x(CN) mixed crystals is investigated by means of high resolution Brillouin spectroscopy. Clear hints are found for the existence of an additional classical glass transition. X-Ray measurements support the observations of elastic properties.

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Existence of a second glass transition in the mixed alkali cyanides

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Existence of a second glass transition in the mixed alkali cyanides

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