Mechanical response of some peculiar superionic glasses at ultrasonic frequencies

Literature Information

Publication Date 2002-08-19
DOI 10.1039/B203311A
Impact Factor 3.676
Authors

Maria Cutroni, Andrea Mandanici, Ezio Bruno


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Abstract

The mechanical relaxation processes in superionic iodomolybdate glasses have been revealed by ultrasonic measurements. The attenuation peaks of longitudinal and shear waves in (AgI)1−x(Ag2MoO4)x, with 0.25 ⩽ x ⩽ 0.4, at temperatures between 100 and 300 K have been analysed in terms of the Gaussian-type energy distribution. The analysis of the thermally activated relaxation processes of mobile silver ions has been done in terms of two different and overlapping anelastic relaxations. The different values of relaxation times and of activation energies obtained from the best fit of the internal friction may be due to the different local arrangement of the silver ions.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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