Analyzing the defect structure of CuO-Doped PZT and KNN piezoelectrics from electron paramagnetic resonance

Jakes P.; Kungl H.; Schierholz R.; Eichel R.-A.

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Analyzing the defect structure of CuO-Doped PZT and KNN piezoelectrics from electron paramagnetic resonance

机译：从电子顺磁共振分析掺杂CuO的PZT和KNN压电材料的缺陷结构

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The defect structure for copper-doped sodium potassium niobate (KNN) ferroelectrics has been analyzed with respect to its defect structure. In particular, the interplay between the mutually compensating dimeric (Cu_Nb-V_O) and trimeric (V_O-Cu_Nb-V_O) defect complexes with 180?? and non-180?? domain walls has been analyzed and compared to the effects from (Cu - V_O)x?? dipoles in CuO-doped lead zirconate titanate (PZT). Attempts are made to relate the rearrangement of defect complexes to macroscopic electromechanical properties.

机译：铜掺杂铌酸钾钠（KNN）铁电体的缺陷结构已针对其缺陷结构进行了分析。特别是，相互补偿的二聚体（Cu _{Nb -V _{O ）和三聚体（V _{O -Cu _{Nb < / sub> -V _{O ）缺陷复合物，含180？和非180？分析了畴壁并与（Cu-V _{O ） x ?? CuO掺杂的锆钛酸铅（PZT）中的偶极子。尝试将缺陷配合物的重排与宏观机电性能相关。}}}}}}

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《IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control》 |2014年第9期|1447-1455|共9页
作者
Jakes P.; Kungl H.; Schierholz R.; Eichel R.-A.;
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作者单位

Institut f??r Energie- und Klimaforschung (IEK-9), Forschungszentrum J??lich, J??lich, Germany;

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正文语种 eng
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Ceramics; Dielectrics; Doping; Geometry; Niobium; Strain;

机译：陶瓷;电介质;掺杂几何;铌;应变;

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Analyzing the defect structure of CuO-Doped PZT and KNN piezoelectrics from electron paramagnetic resonance

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