Structural relaxation in amorphous PdNiP chemical and topological ordering

Autor:	A. van den Beukel, Peter A. Duine, Jilt Sietsma
Rok vydání:	1993
Předmět:	Crystallography Viscosity Differential scanning calorimetry Condensed matter physics Chemistry General Chemical Engineering Neutron diffraction Topological sorting General Physics and Astronomy Relaxation (physics) Radial distribution Reverse Monte Carlo Amorphous solid
Zdroj:	Philosophical Magazine B. 68:913-921
ISSN:	1463-6417 1364-2812
Popis:	Two sets of experimental data for structural relaxation in amorphous PdNi P are analysed in detail. Differential scanning calorimetry measurements for Pd40Ni20P20, can be described to a great degree of detail by the free-volume theory, using parameter values that were extracted from speed-of-sound and viscosity measurements. This description corroborates the conjecture that structural-relaxation processes can be divided into chemical and topological ordering. By means of the reverse Monte Carlo technique atomic configurations for Pd52Ni32P16 in the as-quenched and in an annealed state are deduced from radial distribution functions obtained by neutron diffraction. These configurations indicate that the atomic positions change very little during structural relaxation.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::a0268c490ddb7646ccec99c9321218bd https://doi.org/10.1080/13642819308217949 Zobrazit plný text záznamu