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用水热法合成了各种锰的氧化物，用ＸＲＤ衍射表征产物的结构结果表明，随着氧化程度的增加，尖晶石型产物由立方向四方转变，最终成为稳定的β－ＭｎＯ２，提出Ｍｎ３Ｏ４的一种离子分布式，并通过晶格常数αＴ和ｃＴ的计算，证实了这种离子分布式的可能性。
The structures of the products were characterized by XRD. The results showed that with the increase of the degree of oxidation, the spinel products changed from tetragonal to tetragonal and eventually became stable β-MnO2. It was proposed that Mn3O4 Of an ion distribution, and through the calculation of lattice constants αT and cT, confirmed the possibility of this ion distribution.