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Two Isotypic Transition Metal Germanophosphates M-4(II)(H2O)(4)[Ge(OH)(2)(HPO4)(2)(PO4)(2)] (M-II = Fe, Co): Synthesis, Structure, Mossbauer Spectroscopy, and Magnetic Properties
Huang, YX; Zhang, X; Huang, X; Schnelle, W; Lin, J(林俊); Mi, JX; Tang, MB; Zhao, JT
2012
Source PublicationINORGANIC CHEMISTRY
ISSN0020-1669
Volume51Issue:5
AbstractSynthetic, structural, thermogravimetric, Mossbauer spectroscopic, and magnetic studies were performed on two new isotypic germanophosphates, M-4(II)(H2O)(4)[Ge(OH)(2)(HPO4)(2)(PO4)(2)] (M-II = Fe, Co), which have been prepared under hydro-/solvo-thermal conditions. Their crystal structures, determined from single crystal data, are built from zigzag chains of (MO6)-O-II-octahedra sharing either trans or skew edges interconnected by [GeP4O14(OH)(4)](8-) germanophosphate pentamers to form three-dimensional neutral framework structure. The edge-sharing (MO6)-O-II-octahedral chains lead to interesting magnetic properties. These two germanophosphates exhibit a paramagnetic to antiferromagnetic transition at low temperatures. Additionally, two antiferromagnetic ordering transitions at around 8 and 6 K were observed for cobalt compound while only one at 19 K for the iron compound. Low-dimensional magnetic correlations within the octahedral chains are also observed. The divalent state of Fe in the iron compound determined from the Mossbauer study and the isothermal magnetization as well as thermal analyses are discussed.
Language英语
Funding Project应物所项目组
WOS IDWOS:000301007100069
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13331
Collection中科院上海应用物理研究所2011-2020年
Recommended Citation
GB/T 7714
Huang, YX,Zhang, X,Huang, X,et al. Two Isotypic Transition Metal Germanophosphates M-4(II)(H2O)(4)[Ge(OH)(2)(HPO4)(2)(PO4)(2)] (M-II = Fe, Co): Synthesis, Structure, Mossbauer Spectroscopy, and Magnetic Properties[J]. INORGANIC CHEMISTRY,2012,51(5).
APA Huang, YX.,Zhang, X.,Huang, X.,Schnelle, W.,Lin, J.,...&Zhao, JT.(2012).Two Isotypic Transition Metal Germanophosphates M-4(II)(H2O)(4)[Ge(OH)(2)(HPO4)(2)(PO4)(2)] (M-II = Fe, Co): Synthesis, Structure, Mossbauer Spectroscopy, and Magnetic Properties.INORGANIC CHEMISTRY,51(5).
MLA Huang, YX,et al."Two Isotypic Transition Metal Germanophosphates M-4(II)(H2O)(4)[Ge(OH)(2)(HPO4)(2)(PO4)(2)] (M-II = Fe, Co): Synthesis, Structure, Mossbauer Spectroscopy, and Magnetic Properties".INORGANIC CHEMISTRY 51.5(2012).
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