Preparation and Magnetic Properties of Cobalt-Doped FeMn2O4 Spinel Nanoparticles

Abstract Mixed-metal oxide nanoparticles have attracted great scientific interest since they find applications in many fields. However, the synthesis of size-controlled and composition-tuned mixed-metal oxide nanoparticles is a great challenge that complicates their study for practical application....

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Autores principales:	Aleksandr A. Spivakov, Chun-Rong Lin, En-Szu Lin, Ying-Zhen Chen, Yaw-Teng Tseng
Formato:	article
Lenguaje:	EN
Publicado:	SpringerOpen 2021
Materias:	FeMn2O4 nanoparticles Spinel ferrite Cobalt doping Magnetic properties Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/b5a9e84cdf8d4858bd6e0daec2a497be
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spelling	oai:doaj.org-article:b5a9e84cdf8d4858bd6e0daec2a497be2021-11-08T11:13:59ZPreparation and Magnetic Properties of Cobalt-Doped FeMn2O4 Spinel Nanoparticles10.1186/s11671-021-03619-71556-276Xhttps://doaj.org/article/b5a9e84cdf8d4858bd6e0daec2a497be2021-11-01T00:00:00Zhttps://doi.org/10.1186/s11671-021-03619-7https://doaj.org/toc/1556-276XAbstract Mixed-metal oxide nanoparticles have attracted great scientific interest since they find applications in many fields. However, the synthesis of size-controlled and composition-tuned mixed-metal oxide nanoparticles is a great challenge that complicates their study for practical application. In this study, Co-doped FeMn2O4 nanoparticles were synthesized by the solvothermal method in which the crystallization was carried out under autogenous pressure at temperatures of 190 °C for 24 h. The influence of Co doping on the evolution of the structural and magnetic properties was investigated by various methods. It was found from XRD data that crystallite size decreases from 9.1 to 4.4 nm with the increase in Co content, which is in good agreement with the results of TEM. Based on the results of magnetic measurements, it was found that the saturation magnetization first increases with an increase in the cobalt content and reaches its maximum value at x = 0.4, and a further increase in x leads to a decrease in the saturation magnetization. The influence of cation redistribution on the observed changes has been discussed.Aleksandr A. SpivakovChun-Rong LinEn-Szu LinYing-Zhen ChenYaw-Teng TsengSpringerOpenarticleFeMn2O4 nanoparticlesSpinel ferriteCobalt dopingMagnetic propertiesMaterials of engineering and construction. Mechanics of materialsTA401-492ENNanoscale Research Letters, Vol 16, Iss 1, Pp 1-7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	FeMn2O4 nanoparticles Spinel ferrite Cobalt doping Magnetic properties Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	FeMn2O4 nanoparticles Spinel ferrite Cobalt doping Magnetic properties Materials of engineering and construction. Mechanics of materials TA401-492 Aleksandr A. Spivakov Chun-Rong Lin En-Szu Lin Ying-Zhen Chen Yaw-Teng Tseng Preparation and Magnetic Properties of Cobalt-Doped FeMn2O4 Spinel Nanoparticles
description	Abstract Mixed-metal oxide nanoparticles have attracted great scientific interest since they find applications in many fields. However, the synthesis of size-controlled and composition-tuned mixed-metal oxide nanoparticles is a great challenge that complicates their study for practical application. In this study, Co-doped FeMn2O4 nanoparticles were synthesized by the solvothermal method in which the crystallization was carried out under autogenous pressure at temperatures of 190 °C for 24 h. The influence of Co doping on the evolution of the structural and magnetic properties was investigated by various methods. It was found from XRD data that crystallite size decreases from 9.1 to 4.4 nm with the increase in Co content, which is in good agreement with the results of TEM. Based on the results of magnetic measurements, it was found that the saturation magnetization first increases with an increase in the cobalt content and reaches its maximum value at x = 0.4, and a further increase in x leads to a decrease in the saturation magnetization. The influence of cation redistribution on the observed changes has been discussed.
format	article
author	Aleksandr A. Spivakov Chun-Rong Lin En-Szu Lin Ying-Zhen Chen Yaw-Teng Tseng
author_facet	Aleksandr A. Spivakov Chun-Rong Lin En-Szu Lin Ying-Zhen Chen Yaw-Teng Tseng
author_sort	Aleksandr A. Spivakov
title	Preparation and Magnetic Properties of Cobalt-Doped FeMn2O4 Spinel Nanoparticles
title_short	Preparation and Magnetic Properties of Cobalt-Doped FeMn2O4 Spinel Nanoparticles
title_full	Preparation and Magnetic Properties of Cobalt-Doped FeMn2O4 Spinel Nanoparticles
title_fullStr	Preparation and Magnetic Properties of Cobalt-Doped FeMn2O4 Spinel Nanoparticles
title_full_unstemmed	Preparation and Magnetic Properties of Cobalt-Doped FeMn2O4 Spinel Nanoparticles
title_sort	preparation and magnetic properties of cobalt-doped femn2o4 spinel nanoparticles
publisher	SpringerOpen
publishDate	2021
url	https://doaj.org/article/b5a9e84cdf8d4858bd6e0daec2a497be
work_keys_str_mv	AT aleksandraspivakov preparationandmagneticpropertiesofcobaltdopedfemn2o4spinelnanoparticles AT chunronglin preparationandmagneticpropertiesofcobaltdopedfemn2o4spinelnanoparticles AT enszulin preparationandmagneticpropertiesofcobaltdopedfemn2o4spinelnanoparticles AT yingzhenchen preparationandmagneticpropertiesofcobaltdopedfemn2o4spinelnanoparticles AT yawtengtseng preparationandmagneticpropertiesofcobaltdopedfemn2o4spinelnanoparticles
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Preparation and Magnetic Properties of Cobalt-Doped FeMn2O4 Spinel Nanoparticles

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