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Crystal Structures and Magnetic Properties of Polyethylene Glycol (PEG-4000) Encapsulated Co0.5Ni0.5Fe2O4 Magnetic Nanoparticles

INDONESIAN JOURNAL OF APPLIED PHYSICS Β· Vol. 8 No. 2 (2018) Β· hlm. 75–80

DOI
10.13057/ijap.v8i2.22108
ISSN
2477-6416, 2089-0133
Terbit
2018-12-02
Penerbit
Department of Physics, Sebelas Maret University
Bahasa
eng

Abstrak

Nanocrystalline mixed spinel ferrite of Co0.5Ni0.5Fe2O4 magnetic nanoparticles (MNPs) has been successfully synthesized by coprecipitation method and encapsulated by PEG-4000 with various concentrations. X-Ray Diffraction (XRD) patterns showed that nanoparticles contained Co0.5Ni0.5Fe2O4 spinel ferrite with crystallite size of 14.9 nm. After PEG-4000 encapsulation particles size decreased became 7.7 nm. Interaction Co0.5Ni0.5Fe2O4 nanoparticles with long chain PEG-4000 caused the crystal growth trap. Lattice parameter and X-Ray density have no significant difference after encapsulated PEG-4000. The coercivity (𝐻𝑐) of Co0.5Ni0.5Fe2O4 was 214 Oe. The 𝐻𝑐 decreased after PEG-4000 encapsulation became 127 Oe, which is due to the decrease of crystallite size. The maximum magnetization (Mmax) of Co0.5Ni0.5Fe2O4 was 12.0 emu/g, and decreased after PEG-4000 encapsulation to 11.7 emu/g, because PEG-4000 is paramagnetic. After the concentration of PEG-4000 increased, then the amount of paramagnetic material increase which lead maximum magnetization decrease.

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  • Hasanuddin University
  • Universitas Halu Oleo
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Rekan penulisOrganisasiArtikel bersama
Eko Arief SetiadiAfiliasi tidak diketahui3
Nanda ShabrinaAfiliasi tidak diketahui3
Hesti Retno Budi UtamiAfiliasi tidak diketahui3
Nur Fadhilah FahmiAfiliasi tidak diketahui3
Hafied CangaraHasanuddin University1
Yumnawati YumnawatiAfiliasi tidak diketahui1
Ismail SalehUniversitas Halu Oleo1
Abdin AbdinAfiliasi tidak diketahui1
La AgusuAfiliasi tidak diketahui1
La Ode RusmanAfiliasi tidak diketahui1
Adrian Rahmat NurAfiliasi tidak diketahui1
Diah MahmudahAfiliasi tidak diketahui1
Nurhidayati SakinahAfiliasi tidak diketahui1
I Putu Tedy IndrayanaAfiliasi tidak diketahui1
Ferni MalegaAfiliasi tidak diketahui1

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Sumber metadata: OAI-PMH (metadata jurnal) https://jurnal.uns.ac.id/ijap/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Crystal Structures and Magnetic Properties of Polyethylene Glycol (PEG-4000) Encapsulated Co0.5Ni0.5Fe2O4 Magnetic Nanoparticles</dc:title>
	<dc:creator>Suharyadi, Edi</dc:creator>
	<dc:creator>Griyanika, Lintang</dc:creator>
	<dc:creator>Utomo, Joko</dc:creator>
	<dc:creator>Agustina, Ayu Kurnia</dc:creator>
	<dc:creator>Kato, Takeshi</dc:creator>
	<dc:creator>Iwata, Satoshi</dc:creator>
	<dc:subject xml:lang="en-US">Spinel Ferrite, Magnetic Nanoparticles, Coprecipitation, CoNi Ferrites</dc:subject>
	<dc:description xml:lang="en-US">Nanocrystalline mixed spinel ferrite of Co0.5Ni0.5Fe2O4 magnetic nanoparticles (MNPs) has been successfully synthesized by coprecipitation method and encapsulated by PEG-4000 with various concentrations. X-Ray Diffraction (XRD) patterns showed that nanoparticles contained Co0.5Ni0.5Fe2O4 spinel ferrite with crystallite size of 14.9 nm. After PEG-4000 encapsulation particles size decreased became 7.7 nm. Interaction Co0.5Ni0.5Fe2O4 nanoparticles with long chain PEG-4000 caused the crystal growth trap. Lattice parameter and X-Ray density have no significant difference after encapsulated PEG-4000. The coercivity (𝐻𝑐) of Co0.5Ni0.5Fe2O4 was 214 Oe. The 𝐻𝑐 decreased after PEG-4000 encapsulation became 127 Oe, which is due to the decrease of crystallite size. The maximum magnetization (Mmax) of Co0.5Ni0.5Fe2O4 was 12.0 emu/g, and decreased after PEG-4000 encapsulation to 11.7 emu/g, because PEG-4000 is paramagnetic. After the concentration of PEG-4000 increased, then the amount of paramagnetic material increase which lead maximum magnetization decrease.</dc:description>
	<dc:publisher xml:lang="en-US">Department of Physics, Sebelas Maret University</dc:publisher>
	<dc:contributor xml:lang="en-US"></dc:contributor>
	<dc:date>2018-12-02</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en-US">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://jurnal.uns.ac.id/ijap/article/view/22108</dc:identifier>
	<dc:identifier>10.13057/ijap.v8i2.22108</dc:identifier>
	<dc:source xml:lang="en-US">INDONESIAN JOURNAL OF APPLIED PHYSICS; Vol 8, No 2 (2018): October; 75-80</dc:source>
	<dc:source>2477-6416</dc:source>
	<dc:source>2089-0133</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://jurnal.uns.ac.id/ijap/article/view/22108/18148</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2018 INDONESIAN JOURNAL OF APPLIED PHYSICS</dc:rights>
</oai_dc:dc>