F. Martak, D. Onggo, Ismunandar, A. Nugroho, N. Mufti, B. Yamin
{"title":"SYNTHESIS AND CHARACTERIZATION OF A BIMETALLIC OXALATE BASED MAGNET: [(C4H9)4P][M(II)Cr(ox)3] M(II) =Mn, Fe, Co, Ni, Cu","authors":"F. Martak, D. Onggo, Ismunandar, A. Nugroho, N. Mufti, B. Yamin","doi":"10.3923/CRC.2009.1.7","DOIUrl":null,"url":null,"abstract":"The mixed-metal [(C4H9)4P][M(II)Cr(ox)3] M(II) = Mn(1), Fe(2), Co(3), Ni(4), Cu(5) and ox is oxalate, has been prepared. X-ray powder diffraction patterns and their Rietveld refinement show that all the compounds along the series are isostructural and siglephased. X-ray powder diffraction profiles are indexed in hexagonal and P63 space group. The magnetic susceptibility data obey Curie-Weiss law in temperature 300-5 K with a positive constans of 15,1 (1), 13.5 (2), 12.7 (3), 12.0 (4) and 11.0 K (5). The temperature dependence of the molar magnetizatior exhibits a magnetic phase transition at Tc = 12 K (1), 11 (2), 10 (3), 8(4), 7 K (5). At low temperature, the compounds complex exhibit long-range ordered magnetic behavior.","PeriodicalId":10941,"journal":{"name":"Current Research in Chemistry","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2009-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Current Research in Chemistry","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3923/CRC.2009.1.7","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
The mixed-metal [(C4H9)4P][M(II)Cr(ox)3] M(II) = Mn(1), Fe(2), Co(3), Ni(4), Cu(5) and ox is oxalate, has been prepared. X-ray powder diffraction patterns and their Rietveld refinement show that all the compounds along the series are isostructural and siglephased. X-ray powder diffraction profiles are indexed in hexagonal and P63 space group. The magnetic susceptibility data obey Curie-Weiss law in temperature 300-5 K with a positive constans of 15,1 (1), 13.5 (2), 12.7 (3), 12.0 (4) and 11.0 K (5). The temperature dependence of the molar magnetizatior exhibits a magnetic phase transition at Tc = 12 K (1), 11 (2), 10 (3), 8(4), 7 K (5). At low temperature, the compounds complex exhibit long-range ordered magnetic behavior.
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