Terahertz Electro-Optic properties of PbZr0.52Ti0.48O3 and BaTiO3 ferroelectric thin films

来源 :SFPUP 2014 International Workshop on Strong Field Physics an | 被引量 : 0次 | 上传用户：ytxiaokang

【摘要】

：

　　Electro-optic effects of PbZr0.52Ti0.48O3/PZT) and BaTiO3/BTO) ferroelectric thin films in the terahertz frequency range are studied with high-sensitive ter

【作者】

：

Lei Chen Yuan Zhang Quan Guo Dongwen Zhang Xiangli Zhong Jianmin Yuan

【机构】

：

DepartmentofPhysics,NationalUniversityofDefenseTechnology,Changsha410073,ChinaSchoolofMaterialsScien

【出处】

：

SFPUP 2014 International Workshop on Strong Field Physics an

【发表日期】

：

2014年10期

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　　Electro-optic effects of PbZr0.52Ti0.48O3/PZT) and BaTiO3/BTO) ferroelectric thin films in the terahertz frequency range are studied with high-sensitive terahertz time-domain spectroscopy (THz-TDS).A linear response of PZT film with the linear electro-optic coefficient rc=6.73 × 10-11 m/V, and a quadratic response of BTO film with the second-order electro-optic coefficient Rc=l.42×l0-17 m2/V2, are observed at the frequency of 1 terahertz under the applied static electric field less than 80 kV/cm.The calculation of rc and Rc based on the Landau-Devonshire free energy theory explains the different electro-optic effects of PZT and BTO well.

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Terahertz Electro-Optic properties of PbZr0.52Ti0.48O3 and BaTiO3 ferroelectric thin films

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