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A Generalized ferroelectric capacitor modeling methodology

 

作者: DouglasE. Dunn,   CarlosA. Paz de Araujo,  

 

期刊: Integrated Ferroelectrics  (Taylor Available online 1993)
卷期: Volume 3, issue 1  

页码: 13-20

 

ISSN:1058-4587

 

年代: 1993

 

DOI:10.1080/10584589308216696

 

出版商: Taylor & Francis Group

 

关键词: capacitor modeling;equivalent circuit;mobile charge hysteresis

 

数据来源: Taylor

 

摘要:

A generalized ferroelectric capacitor modeling methodology is presented from a theoretical basis through implementation in PSPICE. The approach postulates nonspecific sources of mobile charge as the source of nonideal hysteresis characteristics. These charges are modeled as depletion capacitances in an equivalent circuit model of the ferroelectric capacitor, capable of simulating both AC and DC behavior. A parameter extraction software package is presented, the use of which establishes that the model parameters may be fit to measured hysteresis data with a high degree of accuracy. PSPICE simulation results are then produced which demonstrate the ability to simulate hysteresis and switching behavior. These results may be correlated to measured data to identify specific physical phenomenon, and speed process and device design.

 

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