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Titolo:
Equations of state of MgO at high pressure and temperature
Autore:
Martinez-Garcia, D; Le Godec, Y; Mezouar, M; Syfosse, G; Itie, JP; Besson, JM;
Indirizzi:
ICMUV, Burjassot 46100, Valencia, Spain ICMUV Burjassot Valencia Spain 46100 UV, Burjassot 46100, Valencia, Spain Ctr Univ Paris Sud, LURE, F-91405 Orsay, France Ctr Univ Paris Sud OrsayFrance F-91405 Sud, LURE, F-91405 Orsay, France Univ Paris 06, PMC, F-75252 Paris, France Univ Paris 06 Paris France F-75252 Paris 06, PMC, F-75252 Paris, France European Synchrotron Radiat Facil, F-38043 Grenoble, France European Synchrotron Radiat Facil Grenoble France F-38043 enoble, France
Titolo Testata:
HIGH PRESSURE RESEARCH
fascicolo: 1-6, volume: 18, anno: 2000,
pagine: 339 - 344
SICI:
0895-7959(2000)18:1-6<339:EOSOMA>2.0.ZU;2-K
Fonte:
ISI
Lingua:
ENG
Soggetto:
THERMAL-EXPANSION; PERICLASE; DIFFRACTION; MANTLE; CELL;
Keywords:
MgO; high-pressure; high-temperature; equations of state; X-ray diffraction; synchrotron radiation;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
16
Recensione:
Indirizzi per estratti:
Indirizzo: Martinez-Garcia, D ICMUV, Ed Invest,Pl 1,Dr Moliner 50, Burjassot 46100, Valencia, Spain ICMUV Ed Invest,Pl 1,Dr Moliner 50 Burjassot Valencia Spain 46100
Citazione:
D. Martinez-Garcia et al., "Equations of state of MgO at high pressure and temperature", HIGH PR RES, 18(1-6), 2000, pp. 339-344

Abstract

A synchrotron X-ray diffraction study on MgO has been done at simultaneoushigh pressure and temperature. The lattice parameter of MgO has been measured up to a static pressure of 6 GPa and a temperature of 1273 K, using a large volume pressure cell and energy-dispersive synchrotron X-ray powder diffraction. The compression was made following six high-temperature isotherms. A Vinet equation of state was used to fit the experimental P-V-T data. The Vinet's model compares very well with the experimental data above the Debye temperature (760 K) and allows the use of MgO as an alternative internal pressure calibrant for experiments at high temperature.

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Documento generato il 25/02/20 alle ore 07:29:31