Magnetic and Crystalline Microstructures of the Sr-La-Co M-type Ferrites by Magnetic Force Microscopy

方以坤; 丁伯明; 庞智勇; 王宝燕; 包大新; 韩圣浩; 韩宝善

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Magnetic and Crystalline Microstructures of the Sr-La-Co M-type Ferrites by Magnetic Force Microscopy

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摘要

With proper erosion of sample surface and making a grid of crystal boundaries, the magnetic and crystal1ine microstruct ures of Sr-La-Co M-type ferrites of nominal composition of La0.2 Sr08Fe11.8Co0.2 O19 (at. %) have been investigated by using magnetic force microscopy. By calculating average diameter and thickness, and average alignment degree of the grains of the ferrites, recognizing their domain patterns and calculating the proportion of grains with single domain or multi-domains, the Sr-La-Co M-type ferrites with high magnetic performance have been characterized at microcrystalline and micromagnetic level. In addition, we has interpreted why the grains always present plate-like domains.

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《中国物理快报：英文版》 |2005年第4期|942-945|共4页
作者
方以坤; 丁伯明; 庞智勇; 王宝燕; 包大新; 韩圣浩; 韩宝善;
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作者单位

StateKeyLaboratoryofMagnetism;

BeijingNationalLaboratoryforCondensedMatterPhysics;

InstituteofPhysics;

ChineseAcademyofSciences;

Beijing100080;

CentralResearchInstitute;

HengdianGroupDMEGCMagneticsStockCO.LTD.;

Dongyang322118;

SchoolofPhysicsandMicroelectronics;

StateKeyLaboratoryofCrystalMaterials;

ShandongUniversity;

Jinan250100;

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原文格式 PDF
正文语种 chi
中图分类晶体的磁学性质;
关键词
磁性晶体; 微观结构; 锶; 镧; 钴; 铁素体;

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Magnetic and Crystalline Microstructures of the Sr-La-Co M-type Ferrites by Magnetic Force Microscopy

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