Abstract

The nonequivalence of the crystallographic {110} and {111} planes in Y3Fe5O12 (YIG) garnet crystals was revealed in the analysis of the crystal density as a function of the intensity ratio of coherent and incoherent X-ray scattering (K/nk). The samples were divided into two groups with different types of variation in their physical properties. For the first time, the quantitative correlation between the absorption coefficient α and K/nk with due account of the crystallographic orientation in the YIG crystals was established. It was found that the samples with the (111) orientation had minimum resistivity at 293 K because it is along this direction that the easy magnetization axis, domain boundaries, and dislocations were oriented. It was shown that the parameter K/nk can be used as a criterion for estimating the part of conduction electrons involved in charge transfer.

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