A unified structure model in (3 + 1)‐dimensional superspace proved suitable for identification of a homologous phase (Ga_1−αAl_α)₂O₃(ZnO)_m by the profile fitting of powder X‐ray diffraction intensities for thermoelectric composite materials in the pseudoternary system ZnO–Al₂O₃–Ga₂O₃. A homologous compound of the phase parameter m ≃ 37 was found to coexist with (Al,Ga)‐doped ZnO in samples sintered at 1723 K in air. The thermoelectric properties of the composite materials were closely related to the phase fractions. The higher the phase fraction of (Al,Ga)‐doped ZnO with the wurtzite structure, the higher the electrical conductivity. On the other hand, the homologous compound with the long‐period structure was effective in lowering the thermal conductivity of the materials.

中文翻译：

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在（3 + 1）维超空间中使用统一的结构模型来识别基于ZnO的热电复合材料中的同相（Ga1-αAlα）2O3（ZnO）m

在（3 + 1）维超空间的统一结构模型证明适合同源相进行鉴定（GA _1-α的Al _α）₂ ö ₃（ZnO）的_米由轮廓为热电复合粉末的X射线衍射强度的嵌合准三元系ZnO–Al ₂ O ₃ –Ga ₂ O _{3中的材料}。相位参数m的同源化合物在空气中以1723 K烧结的样品中发现≃37与（Al，Ga）掺杂的ZnO共存。复合材料的热电性能与相分数密切相关。具有纤锌矿结构的（Al，Ga）掺杂的ZnO的相分数越高，电导率越高。另一方面，具有长周期结构的同源化合物可有效降低材料的热导率。