铁电开关的尺寸效应

Journal of Applied Sciences ›› 2003, Vol. 21 ›› Issue (2): 173-176.

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Size Effect in Ferroelectric Switching

XU Rong-qing¹, ZHOU Qing-chun², WANG Mao-xiang³

1 Department of Information and Electronics, East China Shipbuilding Institute, Zhenjiang 212003, China;
2 Department of Basic Courses, East China Shipbuilding Institute, Zhenjiang 212003, China;
3 Department of Electronic Engineering, Southeast University, Nanjing 210096, China

Received:2002-01-02 Revised:2002-04-16 Online:2003-06-10 Published:2003-06-10

Abstract

Abstract: The Orihara-Ishibashi theory of finite ferroelectric system is applied to the cubic ferro-electrics. The expressions of the ratio of the reversed domain volume to the system volume Q(t) and the reversal rate dQ/dt which is closely related to the switching current, are given for cubic domain reversals. Computations indicate that the switching current drops with the size of the ferroelectric system, and in a certain range of l(l<0. 75), the switching time also decreases with l.

Key words: ferroelectrics, switching current, domain

CLC Number:

XU Rong-qing, ZHOU Qing-chun, WANG Mao-xiang. Size Effect in Ferroelectric Switching[J]. Journal of Applied Sciences, 2003, 21(2): 173-176.

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Size Effect in Ferroelectric Switching

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