Magnetic properties of actinide Laves phases [electronic resource].
- Argonne, Ill. : Argonne National Laboratory, 1976.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
- Physical Description:
- Pages: 10 : digital, PDF file
- Additional Creators:
- Argonne National Laboratory and United States. Department of Energy. Office of Scientific and Technical Information
- Restrictions on Access:
- Free-to-read Unrestricted online access
- This paper reviews recent high-field (up to 80 kOe) magnetization, nuclear-gamma-ray resonance, and neutron diffraction measurements on a number of actinide ferromagnets with the C-15 Laves phase crystal structure. NpAl/sub 2/ and NpOs/sub 2/ are an interesting contrast; NpAl/sub 2/ behaves as a localized 5f system whereas NpOs/sub 2/ exhibits properties usually associated with itinerant ferromagnets. The second part of the paper reports similar measurements on the series AnFe/sub 2/, where An = U, Np, Pu, and Am. The properties of these compounds suggest an increasing localization of 5f electrons as one proceeds from uranium to americium. The Pu ion in PuFe/sub 2/ is definitely trivalent 5f/sup 5/, but the observation of a small negative moment on the Am site in AmFe/sub 2/ implies a partial occupancy of the Am/sup 2 +/ 5f/sup 7/ state in this compound. This is the first indication of a mixed valence configuration in an actinide system.
- Report Numbers:
- E 1.99:conf-760956-3
- Published through SciTech Connect.
2. international conference on the electronic structures on the actinides, Wroclaw, Poland, 13 Sep 1976.
Lander, G.H.; Aldred, A.T.; Dunlap, B.D.
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