氢键铁电体畴壁动力学

Physica B+C Pub Date : 1988-06-01 DOI:10.1016/0378-4363(88)90070-8

A. Gordon

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引用次数: 14

摘要

利用质子转移的孤子机制计算了氢键铁电体中畴壁的迁移率。考虑一维模型。假设氢键双最小阱中质子跳跃的顺序引起了畴壁运动。对KH2PO4晶体进行的计算可以解释这些物质中畴壁的高迁移率。

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Dynamics of domain walls in hydrogen-bonded ferroelectrics

The solitonic mechanism for the protonic transfer is used to calculate a mobility of domain walls in hydrogen-bonded ferroelectrics. A one-dimensional model is considered. It is assumed that the sequence of proton jumps in double-minimum wells of hydrogen bonds brings about a domain wall motion. Calculations carried out for KH₂PO₄ crystals can explain the high mobility of domain walls in these substances.

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Physica B+C

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