W. Pendl et al., INVESTIGATION OF THE MAGNETIC HYPERFINE FIELD AT THE Y-SITE IN THE HEUSLER ALLOYS CO(2)Y(1-X)(1)Y(X)(2)Z (Y=TI, V, NB,CR, Z=AL, SN), Journal of physics. Condensed matter, 8(50), 1996, pp. 11317-11326
The magnetic hyperfine field (mhf) acting on a Ta-181 probe dilutely s
ubstituted at the non-magnetic transition element site has been invest
igated for the pseudo-quaternary Heusler alloys Co2Ti1-xNbxAl, Co2Ti1-
xVxAl, Co2Ti1-xVxSn, and Co2V1-xCrxAl with x = 0.2,0.4,0.6 and 0.8 by
TDPAC measurements utilizing the 133-482 keV gamma-gamma cascade in Ta
-181 following the beta(-)-decay of Hf-181. Magnetization measurements
on Co2Ti1-x(Nb, V)(x)Al samples were carried out by using a vibrating
-sample magnetometer. The Curie temperature and the saturation magneti
zation were obtained for each alloy. The lattice parameters of the all
oys were determined by x-ray diffraction measurements. The results for
the mhf acting on Ta occupying the non-magnetic transition element si
te are discussed and compared with the mhf systematics for the cobalt-
based Heusler alloys.