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ＬａＢａ２ＦｅＣｕ２Ｏｙ的结构是立方相，晶格常数为，电子衍射表明这种化合物具有非公度调制结构．调制波矢ｑ１＝０．３６７ａ＊，ｑ２＝０．３６７ｂ＊，并且推测ｑ３＝０．３６７ｃ＊，电阻测试表明该化合物为半导体．
The structure of LaBa2FeCu2Oy is a cubic phase with a lattice constant of about 10 Å. Electron diffraction shows that this compound has a non-uniform modulation structure. Modulation wave vector q1 = 0.367a *, q2 = 0.367b *, and speculation q3 = 0.367c * , resistance test showed that the compound is a semiconductor.