| 铁电和铁磁微分回线谱分析 |
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| 引用本文： | 丘翠环,陈丽,李智强.铁电和铁磁微分回线谱分析[J].广东工业大学学报,2002,19(2):69-72. |
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| 作者姓名： | 丘翠环 陈丽 李智强 |
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| 作者单位： | 广东药学院物理教研室； 广东工业大学应用物理系； 中山大学物理系 广东广州510224； 广东广州510090； 广东广州510275； |
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| 摘 要： | 利用费米统计公式证明了微分铁电或铁磁回线可分解为一至两个高斯或洛仑兹线型之和 .对TGS ,BaTiO3 单晶 ,和硅钢片 ,锰锌铁氧体的测量证明理论与实验完全符合 .用微分回线代替回线来表征材料性质更具有实用和理论上的意义 .
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| 关 键 词： | 微分回线 费米统计 屏蔽电荷 |
| 文章编号： | 1007-7162(2002)02-0069-04 |
| 修稿时间： | 2001年9月20日 |
Spectrum Analysis on the Differential Hysteresis Loops of Ferroelectric and Ferromagnetism |
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| QIU Cui-huan ,CHEN Li ,LI Zhi-qiang.Spectrum Analysis on the Differential Hysteresis Loops of Ferroelectric and Ferromagnetism[J].Journal of Guangdong University of Technology,2002,19(2):69-72. |
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| Authors: | QIU Cui-huan CHEN Li LI Zhi-qiang |
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| Affiliation: | (1.Dept.of Physics,Guangdong College of Pharmacy,Guangzhou 510224,China; 2.Dept. of Applied Physics,GDUT,Guangzhou 510275,Chin; 3.Dept. of Physics,Zhongshan University,Guangzhou 510224,China) |
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| Abstract: | It has been proved that differential ferroelectric or ferromagnetism hysteresis loops may be regarded as the composition of two Gaussian or Lorentz profiles by means of the Fermi statistical equation.The theory is corresponding well to the results of experiments in measuring TGS,BaTiO 3 single crystal silicon steel and manganese-zinc ferrite.As a token of the characterof materials,it is the differential hysteresis loop,rather than the hysteresis loop,has much more meaning both in the theory and in applications. |
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| Keywords: | differential hysteresis loop Fermi statistics shielded charge |
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