Glass-ceramic composites with strontium hexaferrite ultrafine particles in the SrO-Fe2O3-B2O3-SiO2 systemстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Glass samples with nominal compositions SrFe12O19+(12-n)SrB2O4+nSrSiO(3), n=3, 6, 9 were prepared by rapid quenching of the melt. Processes of glass devitrification were studied. The samples were annealed at temperatures of 600-900 degrees C, and the resulting glass-ceramics was characterized by XRD, SEM, EDX, and magnetic measurements. SrFe12O19 crystallizes above 700 degrees C and forms nano- and submicron platelet particles with the aspect ratio depending on the thermal treatment conditions. The glass-ceramic samples annealed at 900 degrees C show coercive force values in the range of 422-455 kA/m.