Synthesis, microstructure, and magnetic properties of monosized MnxZnyFe3 - x - yO4 ferrite nanocrystals

Hayoung Yoon; Ji Sung Lee; Ji Hyun Min; Jun Hua Wu; Young Keun Kim

doi:10.1186/1556-276X-8-530

Synthesis, microstructure, and magnetic properties of monosized Mn_xZn_yFe_{3 - x - y}O₄ ferrite nanocrystals

Hayoung Yoon, Ji Sung Lee, Ji Hyun Min, Jun Hua Wu, Young Keun Kim

Department of Materials Science and Engineering

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

24 Citations (Scopus)

Abstract

We report the synthesis and characterization of ferrite nanocrystals which exhibit high crystallinity and narrow size distributions. The three types of samples including Zn ferrite, Mn ferrite, and Mn-Zn ferrite were prepared via a non-aqueous nanoemulsion method. The structural, chemical, and magnetic properties of the nanocrystals are analyzed by transmission electron microscopy, X-ray diffraction, X-ray fluorescence, and physical property measurement system. The characterization indicates that the three types of ferrite nanocrystals were successfully produced, which show well-behaved magnetic properties, ferrimagnetism at 5 K and superparamagnetism at 300 K, respectively. In addition, the magnetization value of the ferrites increases with the increasing concentration of Mn.

Original language	English
Article number	530
Pages (from-to)	1-5
Number of pages	5
Journal	Nanoscale Research Letters
Volume	8
Issue number	1
DOIs	https://doi.org/10.1186/1556-276X-8-530
Publication status	Published - 2013

Bibliographical note

Funding Information:
This work was supported through the National Research Foundation of Korea which is funded by the Ministry of Science, ICT and Future Planning (NRF-2010-0017950, NRF-2011-0002128).

Keywords

Ferrimagnetism
Ferrite
Nanocrystal
Nanoemulsion
Superparamagnetism

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics

Access to Document

10.1186/1556-276X-8-530

Cite this

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title = "Synthesis, microstructure, and magnetic properties of monosized MnxZnyFe3 - x - yO4 ferrite nanocrystals",

abstract = "We report the synthesis and characterization of ferrite nanocrystals which exhibit high crystallinity and narrow size distributions. The three types of samples including Zn ferrite, Mn ferrite, and Mn-Zn ferrite were prepared via a non-aqueous nanoemulsion method. The structural, chemical, and magnetic properties of the nanocrystals are analyzed by transmission electron microscopy, X-ray diffraction, X-ray fluorescence, and physical property measurement system. The characterization indicates that the three types of ferrite nanocrystals were successfully produced, which show well-behaved magnetic properties, ferrimagnetism at 5 K and superparamagnetism at 300 K, respectively. In addition, the magnetization value of the ferrites increases with the increasing concentration of Mn.",

keywords = "Ferrimagnetism, Ferrite, Nanocrystal, Nanoemulsion, Superparamagnetism",

author = "Hayoung Yoon and Lee, {Ji Sung} and Min, {Ji Hyun} and Wu, {Jun Hua} and Kim, {Young Keun}",

note = "Funding Information: This work was supported through the National Research Foundation of Korea which is funded by the Ministry of Science, ICT and Future Planning (NRF-2010-0017950, NRF-2011-0002128).",

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T1 - Synthesis, microstructure, and magnetic properties of monosized MnxZnyFe3 - x - yO4 ferrite nanocrystals

AU - Yoon, Hayoung

AU - Lee, Ji Sung

AU - Min, Ji Hyun

AU - Wu, Jun Hua

AU - Kim, Young Keun

N1 - Funding Information: This work was supported through the National Research Foundation of Korea which is funded by the Ministry of Science, ICT and Future Planning (NRF-2010-0017950, NRF-2011-0002128).

PY - 2013

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N2 - We report the synthesis and characterization of ferrite nanocrystals which exhibit high crystallinity and narrow size distributions. The three types of samples including Zn ferrite, Mn ferrite, and Mn-Zn ferrite were prepared via a non-aqueous nanoemulsion method. The structural, chemical, and magnetic properties of the nanocrystals are analyzed by transmission electron microscopy, X-ray diffraction, X-ray fluorescence, and physical property measurement system. The characterization indicates that the three types of ferrite nanocrystals were successfully produced, which show well-behaved magnetic properties, ferrimagnetism at 5 K and superparamagnetism at 300 K, respectively. In addition, the magnetization value of the ferrites increases with the increasing concentration of Mn.

AB - We report the synthesis and characterization of ferrite nanocrystals which exhibit high crystallinity and narrow size distributions. The three types of samples including Zn ferrite, Mn ferrite, and Mn-Zn ferrite were prepared via a non-aqueous nanoemulsion method. The structural, chemical, and magnetic properties of the nanocrystals are analyzed by transmission electron microscopy, X-ray diffraction, X-ray fluorescence, and physical property measurement system. The characterization indicates that the three types of ferrite nanocrystals were successfully produced, which show well-behaved magnetic properties, ferrimagnetism at 5 K and superparamagnetism at 300 K, respectively. In addition, the magnetization value of the ferrites increases with the increasing concentration of Mn.

KW - Ferrimagnetism

KW - Ferrite

KW - Nanocrystal

KW - Nanoemulsion

KW - Superparamagnetism

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