Published December 1, 1984 | Version v1
Journal article

Neutron-diffraction study of PuAs and PuSb

  • 1. Laboratoire de Diffraction Neutronique, Departement de Recherche Fondamentale, Centre d'Etudes Nucleaires de Grenoble, Bote Postale 85X, F-38041 Grenoble (Cedex), France

Description

The first neutron scattering experiments on PuAs and PuSb single crystals are reported. PuAs is found to be a ferromagnet below T/sub c/ = 123 +- 1 K. PuSb develops below T/sub N/ = 85 +- 1 K an incommen- surate ordering and undergoes, at T/sub I/C = 67 K, a first-order transition to a commensurate phase, ferromagnetic in nature. In both compounds, moments are perpendicular to the ferromagnetic (001) planes, their low-temperature value is μ = (0.75 +- 0.1)μ/sub B/, indicating a GAMMA8-type ground state within the Russell-Saunders level scheme. The magnetic phase diagram of PuSb has been determined. The incommensurate phase is suppressed by a small field of 8.5 kOe

Additional details

Publishing Information

Journal Title
Phys. Rev., B: Condens. Matter
Journal Volume
30
Journal Issue
11
Series
Phys. Rev., B: Condens. Matter.
Journal Page Range
6660-6665
ISSN
0163-1829