2017
DOI: 10.1515/amm-2017-0290
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Effect of Annealing, Stoichiometry, and Surface on Magnetism of (Pr,Dy)FeCoB Microparticles Ensemble

Abstract: Magnetic properties of powder (Pr,Dy)FeCoB ferrimagnetic alloys and effects of annealing, surface states were analyzed. X-ray photoelectron spectroscopy and Mössbauer spectra of powders indicate the effect of surface states on phase composition and magnetic properties of the studied powder, if particles average size is smaller than 10 μm. Effect of stoichiometry on magnetic anisotropy was found. Thermal stability of anisotropy field was proved by replacement of Fe atoms with Co atoms.

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Cited by 5 publications
(2 citation statements)
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“…Обнаруженная фотолюминесценция требует дополнительных исследований. Оксидные включения могут быть использованы для локального исследования степени окисления, что очень важно для определения магнитных свойств материалов [30].…”
Section: поперечная составляющая намагниченностиunclassified
“…Обнаруженная фотолюминесценция требует дополнительных исследований. Оксидные включения могут быть использованы для локального исследования степени окисления, что очень важно для определения магнитных свойств материалов [30].…”
Section: поперечная составляющая намагниченностиunclassified
“…reduction of the material temperature when the magnetic field is activated. Since, according to the theory of spin glasses [9,10], full spin disordering in them takes place only in the absence of a magnetic field, and as the field increases, fan, sphero-magnetic, and meta-magnetic structures arise, which transition to a ferro or ferrimagnetic state in strong fields, we can expect the PrDyFeCoB alloy to exhibit negative MCE, going from spin-glass to ferromagnetic state as the field increases.…”
Section: Introductionmentioning
confidence: 99%