Magnetic and structural properties of Zn-doped yttrium iron garnet nanoparticles

R. Peña-Garcia; A. Delgado; Y. Guerra; B. V.M. Farias; D. Martinez; E. Skovroinski; A. Galembeck; E. Padrón-Hernández

doi:10.1002/pssa.201533078

Magnetic and structural properties of Zn-doped yttrium iron garnet nanoparticles

R. Peña-Garcia, A. Delgado, Y. Guerra, B. V.M. Farias, D. Martinez, E. Skovroinski, A. Galembeck, E. Padrón-Hernández

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

33 Citations (Scopus)

Abstract

Zn-doped YIG was prepared using the sol–gel method with TGA measurements showing the phase formation between 900 and 1000 °C. XRD analysis showed close to 1100 °C the formation of Franklinite phase, coexisting with the cubic YIG. Y₃(Fe_1–xZn_x)₅O₁₂ samples with different Zn concentrations (x = 0, 0.01, 0.03, and 0.05) were prepared and analyzed for a magnetic study. A decrease in magnetic moment of the samples was confirmed on increasing the concentration of Zn ions. This decrease is due to the substitution of Fe ions by Zn. This also confirmed the results of XRD showing the linear increase in the lattice parameter. Fittings by Bloch's law shows results compared with those already reported in the literature. The exponent and constant for the Bloch law presented similar values to those reported for YIG doped with other ions. We obtained the parameter α ∼10⁻⁶ K⁻ⁿ with n close to 1.9 for all samples.

Original language	English
Pages (from-to)	2485-2491
Number of pages	7
Journal	Physica Status Solidi (A) Applications and Materials Science
Volume	213
Issue number	9
DOIs	https://doi.org/10.1002/pssa.201533078
Publication status	Published - 1 Sept 2016
Externally published	Yes

Keywords

ceramics
magnetic properties
nanoparticles
sol–gel processing
thermogravimetry analysis
yttrium iron garnet

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10.1002/pssa.201533078

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abstract = "Zn-doped YIG was prepared using the sol–gel method with TGA measurements showing the phase formation between 900 and 1000 °C. XRD analysis showed close to 1100 °C the formation of Franklinite phase, coexisting with the cubic YIG. Y3(Fe1–xZnx)5O12 samples with different Zn concentrations (x = 0, 0.01, 0.03, and 0.05) were prepared and analyzed for a magnetic study. A decrease in magnetic moment of the samples was confirmed on increasing the concentration of Zn ions. This decrease is due to the substitution of Fe ions by Zn. This also confirmed the results of XRD showing the linear increase in the lattice parameter. Fittings by Bloch's law shows results compared with those already reported in the literature. The exponent and constant for the Bloch law presented similar values to those reported for YIG doped with other ions. We obtained the parameter α ∼10−6 K−n with n close to 1.9 for all samples.",

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T1 - Magnetic and structural properties of Zn-doped yttrium iron garnet nanoparticles

AU - Peña-Garcia, R.

AU - Delgado, A.

AU - Guerra, Y.

AU - Farias, B. V.M.

AU - Martinez, D.

AU - Skovroinski, E.

AU - Galembeck, A.

AU - Padrón-Hernández, E.

PY - 2016/9/1

Y1 - 2016/9/1

N2 - Zn-doped YIG was prepared using the sol–gel method with TGA measurements showing the phase formation between 900 and 1000 °C. XRD analysis showed close to 1100 °C the formation of Franklinite phase, coexisting with the cubic YIG. Y3(Fe1–xZnx)5O12 samples with different Zn concentrations (x = 0, 0.01, 0.03, and 0.05) were prepared and analyzed for a magnetic study. A decrease in magnetic moment of the samples was confirmed on increasing the concentration of Zn ions. This decrease is due to the substitution of Fe ions by Zn. This also confirmed the results of XRD showing the linear increase in the lattice parameter. Fittings by Bloch's law shows results compared with those already reported in the literature. The exponent and constant for the Bloch law presented similar values to those reported for YIG doped with other ions. We obtained the parameter α ∼10−6 K−n with n close to 1.9 for all samples.

AB - Zn-doped YIG was prepared using the sol–gel method with TGA measurements showing the phase formation between 900 and 1000 °C. XRD analysis showed close to 1100 °C the formation of Franklinite phase, coexisting with the cubic YIG. Y3(Fe1–xZnx)5O12 samples with different Zn concentrations (x = 0, 0.01, 0.03, and 0.05) were prepared and analyzed for a magnetic study. A decrease in magnetic moment of the samples was confirmed on increasing the concentration of Zn ions. This decrease is due to the substitution of Fe ions by Zn. This also confirmed the results of XRD showing the linear increase in the lattice parameter. Fittings by Bloch's law shows results compared with those already reported in the literature. The exponent and constant for the Bloch law presented similar values to those reported for YIG doped with other ions. We obtained the parameter α ∼10−6 K−n with n close to 1.9 for all samples.

KW - ceramics

KW - magnetic properties

KW - nanoparticles

KW - sol–gel processing

KW - thermogravimetry analysis

KW - yttrium iron garnet

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Magnetic and structural properties of Zn-doped yttrium iron garnet nanoparticles

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