Abstract:
A new method to synthesize barium hexaferrite by chemical coprecipitation is described. A mixed precursor was precipitated by addition of a barium salt to a strongly alkaline ferrate (VI) solution. The precursor yielded barium hexaferrite on heating for 6 h at 800°C; partial transformation was evident even at lower temperatures, from X-ray patterns and Mössbauer spectra. Scanning electron microscopy of the powders fired at 800°C, showed that the particles were less than 0.5 μm in diameter.
Registro:
Documento: |
Artículo
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Título: | Synthesis of ultrafine particles of barium ferrite by chemical coprecipitation |
Autor: | Jacobo, S.E.; Domingo-Pascual, C.; Rodriguez-Clemente, R.; Blesa, M.A. |
Filiación: | Facultad de Ingeniería, Universidad de Buenos Aires, Argentina Inst. de Cie. de Mat. de Barcelona, Bellaterra, Spain Unidad de Actividad Quimica, Comn. Nac. de Ener. Atómica, Av. Libertador 8250, 1429, Buenos Aires, Argentina INQUIMAE, Fac. de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Argentina
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Palabras clave: | Barium compounds; Firing (of materials); Mossbauer spectroscopy; Particles (particulate matter); Precipitation (chemical); Scanning electron microscopy; Synthesis (chemical); X ray analysis; Barium hexaferrite; Coprecipitation; Ferrites |
Año: | 1997
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Volumen: | 32
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Número: | 4
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Página de inicio: | 1025
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Página de fin: | 1028
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DOI: |
http://dx.doi.org/10.1023/A:1018582423406 |
Título revista: | Journal of Materials Science
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Título revista abreviado: | J Mater Sci
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ISSN: | 00222461
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CODEN: | JMTSA
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00222461_v32_n4_p1025_Jacobo |
Referencias:
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Citas:
---------- APA ----------
Jacobo, S.E., Domingo-Pascual, C., Rodriguez-Clemente, R. & Blesa, M.A.
(1997)
. Synthesis of ultrafine particles of barium ferrite by chemical coprecipitation. Journal of Materials Science, 32(4), 1025-1028.
http://dx.doi.org/10.1023/A:1018582423406---------- CHICAGO ----------
Jacobo, S.E., Domingo-Pascual, C., Rodriguez-Clemente, R., Blesa, M.A.
"Synthesis of ultrafine particles of barium ferrite by chemical coprecipitation"
. Journal of Materials Science 32, no. 4
(1997) : 1025-1028.
http://dx.doi.org/10.1023/A:1018582423406---------- MLA ----------
Jacobo, S.E., Domingo-Pascual, C., Rodriguez-Clemente, R., Blesa, M.A.
"Synthesis of ultrafine particles of barium ferrite by chemical coprecipitation"
. Journal of Materials Science, vol. 32, no. 4, 1997, pp. 1025-1028.
http://dx.doi.org/10.1023/A:1018582423406---------- VANCOUVER ----------
Jacobo, S.E., Domingo-Pascual, C., Rodriguez-Clemente, R., Blesa, M.A. Synthesis of ultrafine particles of barium ferrite by chemical coprecipitation. J Mater Sci. 1997;32(4):1025-1028.
http://dx.doi.org/10.1023/A:1018582423406