Pressure Effects on Neptunium Monochalcogenides NpS and NpSe
We present high pressure resistivity at low temperature of NpS and NpSe systems
up to 10 and 25 GPa respectively. These systems are reported as type II antiferro-
magnets at 25 and 38 K respectively presenting bad metal aspects. In the magnetic
domain, they present semiconducting features with high resistivity. When applying
pressure, we observe an increase of TN from 25 to 50 K for NpS while magnetic order
temperature decreases for NpSe from 38 K to 20 K.
GRIVEAU Jean-Christophe;
REBIZANT Jean;
2006-09-13
ELSEVIER B.V.
JRC34211
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