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Title: Magnetic properties and Fermi surface of antiferromagnetic SmCu/sub 6/

Technical Report ·
OSTI ID:6358360

We report measurements of the magnetic susceptibility, specific heat, magnetoresistance, Hall effect, and Fermi surface in SmCu/sup 6/. The susceptibility follows the Van Vleck form for Sm/sup 3 +/ near room temperature and shows two antiferromagnetic phase transitions at 9.6 K and 5.2 K. The specific heat implies a quartet ground state for the crystal field split J = 5/2 angular momentum state. Magnetoresistance indicates two conduction carriers of uncompensated electrons and holes. de Haas-van Alphen measurements show that the Fermi surface in the antiferromagnetic state consists of a network of cylinders oriented 30/degree/ from the b and c axes. 14 refs., 10 figs.

Research Organization:
Argonne National Lab., IL (USA)
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
6358360
Report Number(s):
ANL/PPRNT-89-179; ON: DE89008471
Resource Relation:
Other Information: Portions of this document are illegible in microfiche products
Country of Publication:
United States
Language:
English