PEG-assisted synthesis of Mn3O4 nanoparticles: A structural and magnetic study

Zehra Durmus; Merve Tomaş; Abdulhadi Baykal; Hüseyin Kavas; Muhammed S. Toprak

doi:10.1080/15533174.2011.591302

PEG-assisted synthesis of Mn₃O₄ nanoparticles: A structural and magnetic study

Zehra Durmus, Merve Tomaş, Abdulhadi Baykal^*, Hüseyin Kavas, Muhammed S. Toprak

^*Corresponding author for this work

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

10 Citations (Scopus)

Abstract

We report on the synthesis of Mn₃O₄ nanoparticles via a polyethyleneglycol (PEG)-assisted hydrothermal route. Crystalline phase was identified as Mn₃O₄. The crystallite size from X-ray Diffraction (XRD) pattern and particle size from transmission electron microscopy (TEM) micrographs were calculated as 23±1 nm and 24.5±0.5 nm, respectively. Nanoparticles (NPs) exhibit mainly tetragonal and spherical morphologies. Magnetic characteristics of Mn₃O ₄ NPs were evaluated by electron spin resonance (ESR) in the temperature range of 24-294 K and the Curie temperature was observed as 43 K. Also the magnetic phases that occur in nanosize Mn₃O₄ are detected below Tc by this method. The room-temperature paramagnetic characteristic are verified by vibrating sample magnetometry (VSM).

Original language	English
Pages (from-to)	768-773
Number of pages	6
Journal	Synthesis and Reactivity in Inorganic, Metal-Organic and Nano-Metal Chemistry
Volume	41
Issue number	7
DOIs	https://doi.org/10.1080/15533174.2011.591302
Publication status	Published - Aug 2011
Externally published	Yes

Keywords

MnO
PEG
chemical synthesis
magnetization
nanostructured materials

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10.1080/15533174.2011.591302

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abstract = "We report on the synthesis of Mn3O4 nanoparticles via a polyethyleneglycol (PEG)-assisted hydrothermal route. Crystalline phase was identified as Mn3O4. The crystallite size from X-ray Diffraction (XRD) pattern and particle size from transmission electron microscopy (TEM) micrographs were calculated as 23±1 nm and 24.5±0.5 nm, respectively. Nanoparticles (NPs) exhibit mainly tetragonal and spherical morphologies. Magnetic characteristics of Mn3O 4 NPs were evaluated by electron spin resonance (ESR) in the temperature range of 24-294 K and the Curie temperature was observed as 43 K. Also the magnetic phases that occur in nanosize Mn3O4 are detected below Tc by this method. The room-temperature paramagnetic characteristic are verified by vibrating sample magnetometry (VSM).",

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T2 - A structural and magnetic study

AU - Durmus, Zehra

AU - Tomaş, Merve

AU - Baykal, Abdulhadi

AU - Kavas, Hüseyin

AU - Toprak, Muhammed S.

PY - 2011/8

Y1 - 2011/8

N2 - We report on the synthesis of Mn3O4 nanoparticles via a polyethyleneglycol (PEG)-assisted hydrothermal route. Crystalline phase was identified as Mn3O4. The crystallite size from X-ray Diffraction (XRD) pattern and particle size from transmission electron microscopy (TEM) micrographs were calculated as 23±1 nm and 24.5±0.5 nm, respectively. Nanoparticles (NPs) exhibit mainly tetragonal and spherical morphologies. Magnetic characteristics of Mn3O 4 NPs were evaluated by electron spin resonance (ESR) in the temperature range of 24-294 K and the Curie temperature was observed as 43 K. Also the magnetic phases that occur in nanosize Mn3O4 are detected below Tc by this method. The room-temperature paramagnetic characteristic are verified by vibrating sample magnetometry (VSM).

AB - We report on the synthesis of Mn3O4 nanoparticles via a polyethyleneglycol (PEG)-assisted hydrothermal route. Crystalline phase was identified as Mn3O4. The crystallite size from X-ray Diffraction (XRD) pattern and particle size from transmission electron microscopy (TEM) micrographs were calculated as 23±1 nm and 24.5±0.5 nm, respectively. Nanoparticles (NPs) exhibit mainly tetragonal and spherical morphologies. Magnetic characteristics of Mn3O 4 NPs were evaluated by electron spin resonance (ESR) in the temperature range of 24-294 K and the Curie temperature was observed as 43 K. Also the magnetic phases that occur in nanosize Mn3O4 are detected below Tc by this method. The room-temperature paramagnetic characteristic are verified by vibrating sample magnetometry (VSM).

KW - MnO

KW - PEG

KW - chemical synthesis

KW - magnetization

KW - nanostructured materials

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PEG-assisted synthesis of Mn₃O₄ nanoparticles: A structural and magnetic study

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Keywords

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