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College of Natural Sciences(자연과학대학)Dept. of Chemistry(화학과)CH-Journal Papers(저널논문)

Ferrimagnetism in gamma-manganese sesquioxide (gamma-Mn2O3) nanoparticles

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dc.contributor.authorKim, SHko
dc.contributor.authorChoi, BJko
dc.contributor.authorLee, GHko
dc.contributor.authorOh, SJko
dc.contributor.authorKim, Bongsooko
dc.contributor.authorChoi, HCko
dc.contributor.authorPark, Jko
dc.contributor.authorChang, Yko
dc.date.accessioned2013-03-07T18:14:18Z-
dc.date.available2013-03-07T18:14:18Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2005-04-
dc.identifier.citationJOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.46, no.4, pp.941 - 944-
dc.identifier.issn0374-4884-
dc.identifier.urihttp://hdl.handle.net/10203/90884-
dc.description.abstractCompared to other manganese oxides, characterizations of gamma - Mn2O3 are rare for both nanoparticles and the bulk material. We produced gamma - Mn2O3 nanoparticles with particle diameters ranging from ID to 15 nm and investigated, for the first time, their magnetic properties. The X-ray diffraction pattern shows that gamma - Mn2O3 nanoparticles possess a tetragonal structure with lattice constants of a = 5.790 angstrom and c = 9.402 angstrom. We observed a coercivity as high as similar to 8000 Oe at 5 K and a phase transition from ferrimagnetic to paramagnetic at 39 K.-
dc.languageEnglish-
dc.publisherKOREAN PHYSICAL SOC-
dc.subjectNANOMETER-SIZED MN2O3-
dc.subjectCANTED-SPIN PROBLEM-
dc.subjectMAGNETIC-PROPERTIES-
dc.subjectMN3O4-
dc.subjectNANOCLUSTERS-
dc.titleFerrimagnetism in gamma-manganese sesquioxide (gamma-Mn2O3) nanoparticles-
dc.typeArticle-
dc.identifier.wosid000228458900035-
dc.identifier.scopusid2-s2.0-17744374107-
dc.type.rimsART-
dc.citation.volume46-
dc.citation.issue4-
dc.citation.beginningpage941-
dc.citation.endingpage944-
dc.citation.publicationnameJOURNAL OF THE KOREAN PHYSICAL SOCIETY-
dc.contributor.localauthorKim, Bongsoo-
dc.contributor.nonIdAuthorKim, SH-
dc.contributor.nonIdAuthorChoi, BJ-
dc.contributor.nonIdAuthorLee, GH-
dc.contributor.nonIdAuthorOh, SJ-
dc.contributor.nonIdAuthorChoi, HC-
dc.contributor.nonIdAuthorPark, J-
dc.contributor.nonIdAuthorChang, Y-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorgamma-Mn2O3 nanoparticles-
dc.subject.keywordAuthorstructure-
dc.subject.keywordAuthormagnetic properties-
dc.subject.keywordPlusNANOMETER-SIZED MN2O3-
dc.subject.keywordPlusCANTED-SPIN PROBLEM-
dc.subject.keywordPlusMAGNETIC-PROPERTIES-
dc.subject.keywordPlusMN3O4-
dc.subject.keywordPlusNANOCLUSTERS-
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