Chitosan templated synthesis of strontium–iron–oxygen nanocrystalline system

Ángela B. Sifontes; Raquel S. Del Toro; Edward Ávila; Edgar Cañizales; Giojanny Lovera; Liz Cubillán; Verónica González; Andrea Mónaco; Joaquín L. Brito

doi:10.1016/j.ceramint.2015.07.104

Chitosan templated synthesis of strontium–iron–oxygen nanocrystalline system

Ángela B. Sifontes
, Raquel S. Del Toro
, Edward Ávila
, Edgar Cañizales
, Giojanny Lovera
, Liz Cubillán
, Verónica González
, Andrea Mónaco
, Joaquín L. Brito

Instituto Venezolano de Investigaciones Científicas
Petróleos de Venezuela, S.A.

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

A mixture of ferrites phases containing strontium ortho/hexagonal ferrites was synthesized using chitosan as template and heat treatments. The analysis by XRD, FTIR, SEM, TEM and HRTEM showed the coexistence of the perovskite-like SrFeO_2.9 and hexaferrite SrFe₁₂O₁₉ phases. The ferrites consisted of hard agglomerates containing nanoparticles. The crystallites sizes range between 5 and 20 nm of different morphologies. A possible phase transition model is suggested.

Original language	English
Pages (from-to)	13250-13256
Number of pages	7
Journal	Ceramics International
Volume	41
Issue number	10
DOIs	https://doi.org/10.1016/j.ceramint.2015.07.104
State	Published - Dec 2015
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2015 Elsevier Ltd and Techna Group S.r.l.

Keywords

A. Precursors: organic
B. Electron microscopy
D. Ferrites
D. Perovskites

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10.1016/j.ceramint.2015.07.104

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title = "Chitosan templated synthesis of strontium–iron–oxygen nanocrystalline system",

abstract = "A mixture of ferrites phases containing strontium ortho/hexagonal ferrites was synthesized using chitosan as template and heat treatments. The analysis by XRD, FTIR, SEM, TEM and HRTEM showed the coexistence of the perovskite-like SrFeO2.9 and hexaferrite SrFe12O19 phases. The ferrites consisted of hard agglomerates containing nanoparticles. The crystallites sizes range between 5 and 20 nm of different morphologies. A possible phase transition model is suggested.",

keywords = "A. Precursors: organic, B. Electron microscopy, D. Ferrites, D. Perovskites",

author = "Sifontes, \{{\'A}ngela B.\} and \{Del Toro\}, \{Raquel S.\} and Edward {\'A}vila and Edgar Ca{\~n}izales and Giojanny Lovera and Liz Cubill{\'a}n and Ver{\'o}nica Gonz{\'a}lez and Andrea M{\'o}naco and Brito, \{Joaqu{\'i}n L.\}",

note = "Publisher Copyright: {\textcopyright} 2015 Elsevier Ltd and Techna Group S.r.l.",

year = "2015",

month = dec,

doi = "10.1016/j.ceramint.2015.07.104",

language = "Ingl{\'e}s",

volume = "41",

pages = "13250--13256",

journal = "Ceramics International",

issn = "0272-8842",

number = "10",

}

TY - JOUR

T1 - Chitosan templated synthesis of strontium–iron–oxygen nanocrystalline system

AU - Sifontes, Ángela B.

AU - Del Toro, Raquel S.

AU - Ávila, Edward

AU - Cañizales, Edgar

AU - Lovera, Giojanny

AU - Cubillán, Liz

AU - González, Verónica

AU - Mónaco, Andrea

AU - Brito, Joaquín L.

PY - 2015/12

Y1 - 2015/12

N2 - A mixture of ferrites phases containing strontium ortho/hexagonal ferrites was synthesized using chitosan as template and heat treatments. The analysis by XRD, FTIR, SEM, TEM and HRTEM showed the coexistence of the perovskite-like SrFeO2.9 and hexaferrite SrFe12O19 phases. The ferrites consisted of hard agglomerates containing nanoparticles. The crystallites sizes range between 5 and 20 nm of different morphologies. A possible phase transition model is suggested.

AB - A mixture of ferrites phases containing strontium ortho/hexagonal ferrites was synthesized using chitosan as template and heat treatments. The analysis by XRD, FTIR, SEM, TEM and HRTEM showed the coexistence of the perovskite-like SrFeO2.9 and hexaferrite SrFe12O19 phases. The ferrites consisted of hard agglomerates containing nanoparticles. The crystallites sizes range between 5 and 20 nm of different morphologies. A possible phase transition model is suggested.

KW - A. Precursors: organic

KW - B. Electron microscopy

KW - D. Ferrites

KW - D. Perovskites

UR - https://www.scopus.com/pages/publications/84938613702

U2 - 10.1016/j.ceramint.2015.07.104

DO - 10.1016/j.ceramint.2015.07.104

M3 - Artículo

AN - SCOPUS:84938613702

SN - 0272-8842

VL - 41

SP - 13250

EP - 13256

JO - Ceramics International

JF - Ceramics International

IS - 10

ER -

Chitosan templated synthesis of strontium–iron–oxygen nanocrystalline system

Abstract

Bibliographical note

Keywords

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