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|Title:||High Pressure Study of Pu0.92Am0.08 Binary Alloy|
|Authors:||KLOSEK V.; GRIVEAU Jean-Christophe; FAURE P.; GENESTIER C.; BACLET N.; WASTIN Franck|
|Citation:||JOURNAL OF PHYSICS-CONDENSED MATTER vol. 20 p. 275217|
|Publisher:||IOP PUBLISHING LTD|
|Type:||Articles in periodicals and books|
|Abstract:||The phase transitions (by means of x-ray diffraction) and electrical resistivity of a Pu0.92Am0.08 binary alloy were determined under pressure (up to 2 GPa). The evolution of atomic volume with pressure gives detailed information concerning the degree of localization of 5f electronic states and their delocalization process. A quasi-linear V = f (P) dependence reflects subtle modifications of the electronic structure when P increases. The electrical resistivity measurements reveal the very high stability of the d phase for pressures less than 0.7 GPa, since no martensitic-like transformation occurs at low temperature. Remarkable electronic behaviours have also been observed. Finally, resistivity curves have shown the temperature dependence of the phase transformations together with unexpected kinetic effects.|
|JRC Directorate:||Nuclear Safety and Security|
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