Based on the phases graph of NBT-KBT-BT ternary system, The ceramic compositions in the zone of morphotropic phase boundary are generalized by mathematics formula: z(1-x)NBT-xBT-(1-z)(1-y)NBT-yKBT.
以NBT-KBT-BT三元系统相图为基础，其准同型相界区域的陶瓷组成概括为数学式：z(1-x)NBT-xBT-(1-z)(1-y)NBT-yKBT。
参考来源 - NBTThe morphotropic phase boundary of PSTT(100x) relaxor ferroelectric ceramics by the one-step-method lied in the composition range about x=0.4-0.45.
两步法”制备出的PSTT(100x)弛豫型铁电陶瓷的居里温度高;“一步法”合成的PsTT(l0ox)弛豫型铁电陶瓷的准同型相界范围在x=0.40一0.45附近。
参考来源 - 钽钪酸铅—钛酸铅弛豫型铁电陶瓷的制备与性能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Study of the experimental data indicated that the quaternary system exhibited a well-situated property at morphotropic phase boundary(MPB).
实验数据表明：组成在准同型相界处压电陶瓷的综合性能达最佳。
Novel relaxor ferroelectric single crystal lead magnesium niobate-lead titanate (PMNT) has been found to exhibit excellent piezoelectric properties near the morphotropic phase boundary (MPB).
新型弛豫铁电单晶铌镁酸铅—钛酸铅(PMNT)在准同型相界(MPB)附近具有非常优异的压电性能。
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