Study on switching current of periodic poling LiNbO3 by applying external field | Zendy

Jianhua Chen | Zendy; Qu Shao-Bo | Zendy; Xiaoyong Wei | Zendy; Zhuo Xu | Zendy; Zhu Lin-hu | Zendy

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Study on switching current of periodic poling LiNbO3 by applying external field

Author(s) -

Jianhua Chen,

Qu Shao-Bo,

Xiaoyong Wei,

Zhuo Xu,

Zhu Lin-hu

Publication year - 2009

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.58.554

Subject(s) - poling , nucleation , materials science , field (mathematics) , optics , pulse (music) , square wave , current (fluid) , domain (mathematical analysis) , condensed matter physics , optoelectronics , physics , voltage , mathematics , detector , dielectric , pure mathematics , ferroelectricity , thermodynamics , mathematical analysis , quantum mechanics

Periodically poled LiNbO3 was prepared by applying external field. Through a comparison study on switching currents of different sized PPLN, a new method of determining the nucleation time and the velocity of domain tip propagation toward the opposite face of the crystal was proposed. According to this method, a conclusion could be drawn that the nucleation time is 80ns and the tip velocity of switching domain is 0.1667m/s, when the external field is 25.1kV/mm, 50ms square wave pulse.

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