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简要介绍TiO_2—Nb_2O_5复合氧化物半导体的氧敏特性,指出作为理论空燃比(A/F)检测用氧敏材料TiO_2 80mol％以及Nb_2O_595mol％的组成要比单一的TiO_2和Nb_2O_5具有更高的灵敏度和更好的温度稳定性。结构分析指出它们分别是掺Ti的Nb_2O_5的固溶体以及掺Nb的TiO_2固溶体与复合氧化TiNb_2O_7的混合体,并作简要的讨论。
The oxygen sensitive properties of TiO_2-Nb_2O_5 composite oxide semiconductors are briefly introduced. It is indicated that the composition of TiO_2 80mol% and Nb_2O_595mol% as the oxygen sensitive materials for the detection of theoretical air-fuel ratio (A / F) is higher than that of single TiO_2 and Nb_2O_5 Better temperature stability. Structural analysis indicates that they are a mixed solution of Ti-doped Nb 2 O 5 solid solution and Nb-doped TiO 2 solid solution and composite oxide TiNb 2 O 7 respectively, and a brief discussion is given.