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PZT film laminated structure, liquid ejection head, liquid ejection unit, device for ejecting liquid, and method for manufacturing PZT film laminated structure
PZT film laminated structure, liquid ejection head, liquid ejection unit, device for ejecting liquid, and method for manufacturing PZT film laminated structure
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机译:PZT膜层叠结构,液体喷射头,液体喷射单元,液体喷射装置以及PZT膜层叠结构的制造方法
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摘要
A PZT-film laminated structure includes a substrate, a lower electrode on the substrate, an orientation control layer on the lower electrode, a PZT layer on the orientation control layer, and an upper electrode on the PZT layer. The PZT layer has a (100) or (001) main orientation in which a peak intensity of PZT (100) or (001) is 90% or greater relative to a peak intensity of all PZT peaks in an X-ray diffraction measurement. A ratio of a total value of a secondary ion intensity of Cl relative to a total value of a secondary ion intensity of Ti in the PZT layer is equal to or smaller than 0.03 when the secondary ion intensity of Cl and the secondary ion intensity of Ti in the PZT layer are measured in a direction of thickness of the PZT layer with a magnetic-field secondary ion mass spectrometry.
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