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Zn-Mn-O - feromagnetik na sobnoj temperaturi

dc.creatorMilivojević, Dušan
dc.creatorBlanuša, Jovan
dc.creatorSpasojević, Vojislav
dc.creatorKusigerski, Vladan
dc.creatorBabić-Stojić, Branka S.
dc.date.accessioned2018-03-03T14:30:37Z
dc.date.available2018-03-03T14:30:37Z
dc.date.issued2007
dc.identifier.issn0367-598X
dc.identifier.urihttps://vinar.vin.bg.ac.rs/handle/123456789/6745
dc.description.abstractSemiconductor Zn-Mn-O crystallites were synthesized by a solid state reaction method starting from the thermal decomposition of the appropriate oxalates. Samples were thermally treated in air at temperatures ranging from 400 to 900 degrees C. The nominal concentrations of manganese were x = 0.01, 0.02, 0.04 and 0.10. The samples were investigated by the X-ray powder diffraction method, magnetization measurements and by electron paramagnetic resonance. X-ray diffractgrams show a dominant wurtzite structure of Zn-Mn-O. Room temperature ferromagnelism was observed in Zn-Mn-O samples with manganese concentrations x:! 0.04, thermally treated at low temperature (500 degrees C). The saturation magnetization for the sample with x = 0.01 was 0.05 mu(B)/Mn. The room temperature ferromagnetism seems to be due to the diffusion of Zn into the Mn-oxides gains.en
dc.description.abstractIspitivani su poluprovodnički Zn-Mn-O kristali dobijeni metodom sinteze u čvrstom stanju - termičkom dekompozicijom odgovarajućih oksalata i termičkim tretmanom. Termički tretman je izvršen u vazduhu na različitim temperaturama u intervalu od 400 do 900 °C. Nominalne koncentracije mangana su x = 0,01; 0,02; 0,04 i 0,10. Uzorci su ispitivani metodom difrakcije X-zraka na prahu, merenjem magnetizacije i metodom elektronske paramagnetne rezonance. Analiza difraktograma ukazuje na dominantnu vurcitnu kristalnu strukturu sintetisanog Zn-Mn-O materijala. Feromagnetizam na sobnoj temperaturi je uočen na uzorcima Zn-Mn-O sa koncentracijom mangana x ≤ 0,04 termički tretiranim na nižim temperaturama (500 °C). Magnetizacija zasićenja u uzorku x = 0,01 iznosi 0,05 μB/Mn. Ferromagnetna faza je verovatno posledica difuzije Zn u neki manganov oksid.sr
dc.relationinfo:eu-repo/grantAgreement/MESTD/MPN2006-2010/141027/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/MPN2006-2010/141013/RS//
dc.rightsopenAccessen
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceHemijska industrijaen
dc.subjectmagnetic semiconductorsen
dc.subjecta room temperature ferromagnetismen
dc.subjectZn-Mn-Oen
dc.subjectmagnetni poluprovodnicisr
dc.subjectferomagnetizam na sobnoj temperaturisr
dc.subjectZn-Mn-Osr
dc.titleZn-Mn-O: Ferromagnet at room temperatureen
dc.titleZn-Mn-O - feromagnetik na sobnoj temperaturisr
dc.typearticleen
dc.rights.licenseBY
dcterms.abstractБабић-Стојић Бранка С.; Блануша Јован; Кусигерски Владан; Миливојевић Душан; Спасојевић Војислав;
dc.citation.volume61
dc.citation.issue3
dc.citation.spage147
dc.citation.epage151
dc.identifier.wos000255026500008
dc.identifier.doi10.2298/HEMIND0703147M
dc.description.other5th Young Researchers Seminar, Dec 25-26, 2006, Belgrade, Serbiaen
dc.type.versionpublishedVersion
dc.identifier.fulltexthttps://vinar.vin.bg.ac.rs//bitstream/id/13764/6741.pdf


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