フェライト焼結体及びフェライト複合体の高周波透磁率に関する研究

• Material Type: 博士論文
• Title: フェライト焼結体及びフェライト複合体の高周波透磁率に関する研究
• Author/Editor: 中村, 龍哉
• Author Heading: 中村, 龍哉
• Alternative Title: Study on High-Frequency Permeability in Ferrite Ceramics and Ferrite Composite Materials
• Degree grantor/type: 広島大学
• Date Granted: 1996-01-22
• Dissertation Number: 乙第2789号
• Degree Type: 博士(理学); Physical Science
• Text Language Code: eng
• Target Audience: 一般
• DOI: 10.11501/3119959
• Format (IMT): application/pdf
• Source: fulltext; http://ir.lib.hiroshima-u.ac.jp/31881/files/15995
• Access Restrictions: インターネット公開
• Rights (production): Copyright(c) by Author
• Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）; https://irdb.nii.ac.jp
• Original Data Provider (Database): 広島大学 : 広島大学学術情報リポジトリ

• Summary, etc.: The complex permeability spectra of Ni-Zn sintered ferrite and the ferrite composite materials were studied. The complex permeability spectra in the f...

Table of Contents

Contents
Abstract / p1
Acknowledgments / p4
1.Introduction / p5
2.Crystal structure and magnetic properties of spinel ferrite / p8
　2.1 Crystal structure / p8
　2.2 Magnetic properties / p9
3.Synthesis technique / p14
　3.1 Solid state reaction / p14
　3.2 Hydrothermal precipitation / p17
4.Frequency dispersion of complex permeability / p20
　4.1 Spin rotational permeability / p22
　4.2 Domain wall motion contribution / p24
　4.3 Inverse cole-cole plot technique / p26
5.Permeability dispersion of Ni-Zn ferrite composite materials / p29
　5.1 Complex permeability spectra / p31
　5.2 Magnetic circuit model / p33
　5.3 Extended Snoek's law / p36
　5.4 Temperature variation of permeability spectra / p39
6.Complex permeability in low-temperature sintered Ni-Zn-Cu ferrite / p43
　6.1 Sintering ability and permeability / p46
　6.2 Permeability variation / p47
7.Electromagnetic properties and power loss in Mn-Zn ferrite ceramics / p50
　7.1 Microstructure and electromagnetic properties / p52
　7.2 Power loss / p56
8.Concluding remarks / p58
References / p60