Strontium magnetic susceptibility

It is risky, of course, to generalize from one oxide to another, but in the absence of adequately completed studies with anyone of the oxides, the assumption concerning the density of carriers seems justified. All of the superconducting oxides display R(T)fs similar to those cited above. In the case of strontium titanate, SrTiOg.., Schooley et al. (15) have shown that the critical superconducting temperature determined from the midpoints of the abrupt decreases in the resistance vs temperature and the magnetic susceptibility vs temperature depend on the density of carriers determined from measurements of Hall coefficients. Thus the results of Tc vs density of carriers is shown in Figure 4. Therein, one observes that the Tc s from both R(T) and x(T) increase to maxima near 10 carriers cm 3 and thereafter they decrease. 

The magnetic susceptibility of solutions of strontium <6.4 mol % in molten SrCl2 has been measured at ca. 900 °C. The salt becomes less diamagnetic as metal is added. This paramagnetic effect is smaller than expected for the formation of Sr+ ions according to ... 

Kohler and Muller (1991) obtained a divalent samarium fluoroaluminate, LiSm-AlFg, by heating a confined mixture of the appropriate fluorides two days at < 700°C. In contrast to the structure of the closely related strontium and calcium analogues in which the divalent cation is coordinated octahedrally, the Sm ion coordination is trigonal prismatic. Magnetic-susceptibility measurements show temperature dependence typical of divalent samarium. 

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