Neutron diffraction from stoichiometric and metal-deficient V2O3

Details Neutron diffraction from stoichiometric and metal-deficient V2O3 Neutron diffraction from stoichiometric and metal-deficient V2O3

Aug 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981phrvb..24.1818y&link_type=abstract

Physical Review B (Condensed Matter), Volume 24, Issue 4, August 15, 1981, pp.1818-1823

Physics

Condensed Matter

5

Scientific paper

Neutron diffraction has been used to study two samples of V2O3, one stoichiometric (TM-I~150 K) and a second metal deficient (TM-I~50 K). In the former, magnetic intensity was observed below the metal-insulator transition at the 32 32 3 reflection as well as at those reflections previously reported by Moon. This intensity is thought to be due to a small magnetic contribution from the oxygen sites. In the latter sample, antiferromagnetic ordering was observed in the metallic phase with a discontinuous change in magnetic intensity at the M-I transition. The magnetic moment for the pure V2O3 specimen agrees with the 1.2μB value determined by Moon, but the saturation value in the metal-deficient specimen was determined to be only ~0.9μB.

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