NDLI: Preparation of barium hexaferrite by a hydrothermal method: structure and magnetic properties

Content Provider	Semantic Scholar
Author	Barb, D. Diamandescu, Lucian Rusi, Alpo M. Tărăbăsanu-Mihăilă, D. Morariu, Marius Teodorescu, V.
Copyright Year	1986
Abstract	Barium hexaferrite, BaFe12O19, was obtained in hydrothermal conditions from a water suspension of α-FeOOH and Ba(OH)2 · 8H2O at a temperature about 315° C. X-ray and Mössbauer spectroscopy as well as electron microscopy investigations demonstrated the appearance of α-Fe2O3 as an intermediate phase in the hydrothermal process. The magnetic characteristics of the obtained isotropic magnets are the following: coercive fieldHc∼159 kA m−1, residual inductionBr∼0.26 T, maximum energy product (BH)max∼12 kJ m−3. The hydrothermal procedure for the preparation of barium hexaferrite in comparison with the conventional one is discussed.
Starting Page	1118
Ending Page	1122
Page Count	5
File Format	PDF HTM / HTML
DOI	10.1007/BF00553240
Volume Number	21
Alternate Webpage(s)	https://page-one.springer.com/pdf/preview/10.1007/BF00553240
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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