TY - JOUR
T1 - Magnetic Properties and Structure of Chromium Niobium Oxide and Iron Tantalum Oxide
AU - Nørlund Christensen, A.
AU - Johansson, T.
AU - Lebech, Bente
PY - 1976
Y1 - 1976
N2 - Crystal structures were obtained from X-ray powder patterns. The magnetic properties were investigated between 4.2 and 300K by magnetization measurements and neutron diffraction. Both compounds show spin-glass transitions at low temperatures. In CrNbO4, the cusp in the susceptibility is observed at 9.3K. At higher temperatures, the Curie-Weiss law is obeyed and the moment of the Cr3+ ions is (3.85+or-0.02) mu B. FeTaO4 shows a field-dependent susceptibility similar to that observed in dilute random alloys. The Curie-Weiss law is not obeyed within the temperature region investigated.
AB - Crystal structures were obtained from X-ray powder patterns. The magnetic properties were investigated between 4.2 and 300K by magnetization measurements and neutron diffraction. Both compounds show spin-glass transitions at low temperatures. In CrNbO4, the cusp in the susceptibility is observed at 9.3K. At higher temperatures, the Curie-Weiss law is obeyed and the moment of the Cr3+ ions is (3.85+or-0.02) mu B. FeTaO4 shows a field-dependent susceptibility similar to that observed in dilute random alloys. The Curie-Weiss law is not obeyed within the temperature region investigated.
U2 - 10.1088/0022-3719/9/13/019
DO - 10.1088/0022-3719/9/13/019
M3 - Journal article
SN - 0022-3719
VL - 9
SP - 2601
EP - 2610
JO - Journal of Physics C: Solid State Physics
JF - Journal of Physics C: Solid State Physics
IS - 13
ER -