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Magnetization of magnetically inhomogeneous Sr2FeMoO6-δ nanoparticles

Gunnar Suchaneck1 1
Gunnar Suchaneck1
1 TU Dresden, Solid State Electronics Laboratory, 01062 Dresden, Germany
10.3897/j.moem.7.3.75786
Published 30 September 2021
Communication , Volume 7, Issue 3, 85-90
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Suchaneck1 G. Magnetization of magnetically inhomogeneous Sr2FeMoO6-δ nanoparticles // Modern Electronic Materials. 2021. Vol. 7. No. 3. pp. 85-90.
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Suchaneck1 G. Magnetization of magnetically inhomogeneous Sr2FeMoO6-δ nanoparticles // Modern Electronic Materials. 2021. Vol. 7. No. 3. pp. 85-90.
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TY - JOUR
DO - 10.3897/j.moem.7.3.75786
UR - https://moem.colab.ws/publications/10.3897/j.moem.7.3.75786
TI - Magnetization of magnetically inhomogeneous Sr2FeMoO6-δ nanoparticles
T2 - Modern Electronic Materials
AU - Suchaneck1, Gunnar
PY - 2021
DA - 2021/09/30
PB - НИТУ МИСИС
SP - 85-90
IS - 3
VL - 7
ER -
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@article{2021_Suchaneck1,
author = {Gunnar Suchaneck1},
title = {Magnetization of magnetically inhomogeneous Sr2FeMoO6-δ nanoparticles},
journal = {Modern Electronic Materials},
year = {2021},
volume = {7},
publisher = {НИТУ МИСИС},
month = {Sep},
url = {https://moem.colab.ws/publications/10.3897/j.moem.7.3.75786},
number = {3},
pages = {85--90},
doi = {10.3897/j.moem.7.3.75786}
}
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Suchaneck1, Gunnar. “Magnetization of magnetically inhomogeneous Sr2FeMoO6-δ nanoparticles.” Modern Electronic Materials, vol. 7, no. 3, Sep. 2021, pp. 85-90. https://moem.colab.ws/publications/10.3897/j.moem.7.3.75786.
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Keywords

magnetization
nanoparticles
strontium ferromolybdate

Abstract

Magnetization is a key property of magnetic materials. Nevertheless, a satisfactory, analytical description of the temperature dependence of magnetization in double perovskites such as strontium ferromolybdate is still missing. In this work, we develop, for the very first time, a model of the magnetization of nanosized, magnetically inhomogeneous Sr2FeMoO6-δ nanoparticles. The temperature dependence of magnetization was approximated by an equation consisting of a Bloch-law spin wave term, a higher order spin wave correction, both taking into account the temperature dependence of the spin-wave stiffness, and a superparamagnetic term including the Langevin function. In the limit of pure ferromagnetic behavior, the model is applicable also to SFMO ceramics. In the vicinity of the Curie temperature (T/TC > 0.85), the model fails.

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