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Instruments / Technical Area	Publication Details	Published	Actions
	Fe5O5[B6O10(OH)3] 3 nH2O: Wave-Layered Iron Borate and Frustrated Kirsten Christensen , Jeppe Christensen , Tao Yang , Junliang Sun , Guobao Li , Yingxia Wang , Fuhui Liao , Jianhua Lin , Zhanbing He , Xiaodong Zou Inorganic Chemistry 48 (23), 11209-11214 DOI: 10.1021/ic9016867 PMID: 19856951 Show Abstract ▼ Abstract: The first layered iron borate, Fe5O5(B6O10(OH)(3)] center dot nH(2)O, has been prepared by the boric acid flux method, Its structure, determined by single crystal X-ray diffraction, contains a double FeO6-octahedral layer and an unusual [B6O13] chain. The rigid and cambered [B6O13] Chains bend the octahedral layers, resulting in a wave-like and sandwiched structure. Crystallographic study indicates the structural modulation is mainly from the [B6O13] chains because of the insertion of water molecules in between. Nevertheless, FeO6 layers in the average structure, which are well separated by borate chains, is still a reasonable model to understand the two-dimensional magnetism. The strong antiferromagnetic interactions and the complex Fe3+-net suggest a possible geometrically magnetic frustration, which may be the reason for the second-order temperature-induced magnetic transition at similar to 125 K. The condensed Fe3+ layers and the relatively low redox potential at about 1.25 V versus Li+/Li show its potentials as an anodic material.	Oct 2009

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Fe5O5[B6O10(OH)3] 3 nH2O: Wave-Layered Iron Borate and Frustrated

Kirsten Christensen , Jeppe Christensen , Tao Yang , Junliang Sun , Guobao Li , Yingxia Wang , Fuhui Liao , Jianhua Lin , Zhanbing He , Xiaodong Zou

Inorganic Chemistry 48 (23), 11209-11214

DOI: 10.1021/ic9016867

PMID: 19856951

Show Abstract ▼

Oct 2009