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NanMTh6F30 : A Large Family of Quaternary Thorium Fluorides

机译:Nanmth6F30:大家庭的四元钍氟化物

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摘要

Recently we reported the synthesis, crystal structures, and magnetic properties of compounds in the NanMU6F30 series, where n = 4, 3 and where M is a divalent or trivalent metal cation, respectively. In this article we advance our investigation of this structure type by expanding it to the thorium-containing compounds NanMTh6F30, where n = 3 in the case of M-III = Al, Sc, Ti, V, Cr, Fe, Ga, In, n = 4 when M-II = Mg, Mn, Co, Ni, Cu, Zn, and n varies from 3.87 to 4.39 when the M site is partially occupied by a trivalent rare-earth element. Magnetic properties of the compounds containing magnetic ions M = Ti3+, V3+ , Cr3+ , Mn2+, Fe3+, Co2+, Ni2+,Cu2+ were studied to demonstrate that the substitution of Th(IV) for U(IV) prevents the magnetic ions from coupling magnetically and, therefore, they exhibit simple paramagnetic behavior.
机译:最近我们报道了纳米u6f30系列中化合物的合成,晶体结构和磁性,其中n = 4,3和m是二价或三价金属阳离子。 在本文中,我们通过将其扩展到含钍的化合物NaNMTH6F30,推进对该结构类型的研究,其中N = 3在M-III = Al,Sc,Ti,V,Cr,Fe,Ga,In, 当M位点被三价稀土元素部分占据时,当M-II = Mg,Mn,Co,Ni,Cu,Zn和N次数不同于3.87至4.39时,N = 4。 研究了含有磁离子M = Ti3 +,V3 +,Cr3 +,Mn2 +,Fe3 +,CO 2 +,Ni2 +,Cu2 +的磁性,以证明对U(IV)的替代为磁离子磁离子磁性和磁离子 因此,它们表现出简单的顺磁性行为。

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