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.
KLOSEK V.;
GRIVEAU Jean-Christophe;
FAURE P.;
GENESTIER C.;
BACLET N.;
WASTIN Franck;
2008-11-26
IOP PUBLISHING LTD
JRC48984
0953-8984,
https://publications.jrc.ec.europa.eu/repository/handle/JRC48984,
10.1088/0953-8984/20/27/275217,
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