Luminescent and magnetic properties of CoFe2O4@SiO2@Y2O3:Tb3+ nanocomposites with the core-shell

Xiaozhen Ren; Xiaodong Chen; Hong Ding; Hua Yang

doi:10.1016/j.jallcom.2014.11.053

Luminescent and magnetic properties of CoFe₂O₄@SiO₂@Y₂O₃:Tb³⁺ nanocomposites with the core-shell

Xiaozhen Ren, Xiaodong Chen, Hong Ding, Hua Yang^*

^*Corresponding author for this work

Jilin University

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

7 Citations (Scopus)

Abstract

CoFe₂O₄@SiO₂@Y₂O₃:Tb³⁺ nanocomposites with the core-shell structure are obtained by a three-step method. Due to the effects of the magnetic CoFe₂O₄ core, not only luminescent intensity, but also luminescent color has been influenced much. The luminescence property of the composites is influenced with the changes of calcination temperature, the doping of Tb³⁺ and the mass of CoFe₂O₄@SiO₂. The composites have the strongest luminescent intensity when the calcination temperature is 700 °C. These nanocomposites display different ferromagnetic properties, such as remanence (Mr) and coercivity (Hc) with tuning the calcination temperature.

Original language	English
Pages (from-to)	85-89
Number of pages	5
Journal	Journal of Alloys and Compounds
Volume	625
DOIs	https://doi.org/10.1016/j.jallcom.2014.11.053
Publication status	Published - Mar 15 2015
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2014 Elsevier B.V.

ASJC Scopus Subject Areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

Keywords

CoFeO
Luminescence properties
Magnetic properties
Nanocomposites
YO:Tb

Access to Document

10.1016/j.jallcom.2014.11.053

Cite this

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title = "Luminescent and magnetic properties of CoFe2O4@SiO2@Y2O3:Tb3+ nanocomposites with the core-shell",

abstract = "CoFe2O4@SiO2@Y2O3:Tb3+ nanocomposites with the core-shell structure are obtained by a three-step method. Due to the effects of the magnetic CoFe2O4 core, not only luminescent intensity, but also luminescent color has been influenced much. The luminescence property of the composites is influenced with the changes of calcination temperature, the doping of Tb3+ and the mass of CoFe2O4@SiO2. The composites have the strongest luminescent intensity when the calcination temperature is 700 °C. These nanocomposites display different ferromagnetic properties, such as remanence (Mr) and coercivity (Hc) with tuning the calcination temperature.",

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AU - Chen, Xiaodong

AU - Ding, Hong

AU - Yang, Hua

PY - 2015/3/15

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AB - CoFe2O4@SiO2@Y2O3:Tb3+ nanocomposites with the core-shell structure are obtained by a three-step method. Due to the effects of the magnetic CoFe2O4 core, not only luminescent intensity, but also luminescent color has been influenced much. The luminescence property of the composites is influenced with the changes of calcination temperature, the doping of Tb3+ and the mass of CoFe2O4@SiO2. The composites have the strongest luminescent intensity when the calcination temperature is 700 °C. These nanocomposites display different ferromagnetic properties, such as remanence (Mr) and coercivity (Hc) with tuning the calcination temperature.

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