Magnetic Susceptibility and Local Structure of the Glasses Ga2S3(As2S3, PbS)–GeS2–MnS

Tver’yanovich, Yu. S.; Vilminot, S.; Degtyaryev, S.S.; Derory, A.

doi:10.1006/jssc.2000.8694

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“…It was previously shown [10] that, in general, the reciprocal of the magnetic susceptibility of an ensemble in which there is a distribution of the Weiss constants is a nonlinear function of the temperature. However, at temperatures higher than room temperature, deviations from a linear dependence are negligible [11]. The mean Weiss con- stants and the magnetic moments M are listed in Table 1.…”

Section: Resultsmentioning

confidence: 99%

Formation of CuCr2Se4 ferromagnetic spinel microcrystals in a chalcogenide glass matrix

Tver’yanovich¹,

Kim²,

Rusnak³

et al. 2005

Glass Phys Chem

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Crystals of the CuCr 2 Se 4 ferromagnetic spinel and spinel-based solid solutions are shown to form in glass-forming alloys of the Cu 2 Se-As 2 Se 3 -Cr 2 Se 3 -Se system containing Cr 2 Se 3 at a content greater than 0.005 mole fractions. The crystalline phases are identified by the magnetochemical method (from the Curie temperatures) and X-ray diffraction analysis. According to electron microscopy, the crystal sizes are equal to several micrometers. IR irradiation of the samples in a magnetic field leads to an increase in the magnetization. The excess magnetization disappears after the external magnetic field is removed.

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Section: Resultsmentioning

confidence: 99%