Neutron Diffraction Studies on the Higher Order Magnetic Structures of Rare Earth Metal,Ho,Tb-Y and Tb-Er Alloys,and Compound,TbRu2Ge2 under Extreme Conditions 希土類金属Ho、Tb-Y、Tb-Er合金、およびTbRu2Ge2化合物の極端条件下中性子回折による高次磁気構造の研究
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著者
書誌事項
- タイトル
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Neutron Diffraction Studies on the Higher Order Magnetic Structures of Rare Earth Metal,Ho,Tb-Y and Tb-Er Alloys,and Compound,TbRu2Ge2 under Extreme Conditions
- タイトル別名
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希土類金属Ho、Tb-Y、Tb-Er合金、およびTbRu2Ge2化合物の極端条件下中性子回折による高次磁気構造の研究
- 著者名
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小杉, 武史
- 著者別名
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コスギ, タケシ
- 学位授与大学
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京都大学
- 取得学位
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博士 (人間・環境学)
- 学位授与番号
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甲第9032号
- 学位授与年月日
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2001-03-23
注記・抄録
博士論文
目次
- 論文目録 / (0001.jp2)
- Contents / p1 (0004.jp2)
- Chapter 1 Introduction / p1 (0006.jp2)
- 1-1 General Introduction / p1 (0006.jp2)
- 1-2 Magnetic Structure Properties of Rare Earth Alloys / p3 (0007.jp2)
- Chapter 2 Specifications of the Neutron Diffractometers and the Cryostats for the Extreme Conditions / p8 (0010.jp2)
- 2-1 The Kyoto University Reactor-Neutron Diffractometer(KUR-ND) / p8 (0010.jp2)
- 2-2 KEK Neutron Scattering Facility-A Single Crystal Diffractometer(KENS-FOX) / p9 (0010.jp2)
- 2-3 Neutron Time-of-Flight Method / p12 (0012.jp2)
- 2-4 Cryostats / p13 (0012.jp2)
- Chapter 3 Study of the Magnetic Structures of Tb₀.₇₆Y₀.₂₄ Single Crystal under High Pressure / p21 (0016.jp2)
- 3-1 The Effects of Pressure on the Magnetic Properties of Rare Earth Metals / p21 (0016.jp2)
- 3-2 Terbium-Yttrium System / p22 (0017.jp2)
- 3-3 Magnetic Structures under High Pressures / p25 (0018.jp2)
- 3-4 Temperature Dependence of the Helical Turn Angle / p27 (0019.jp2)
- 3-5 The Fermi Surface and the Helical Turn Angle / p30 (0021.jp2)
- 3-6 The Lattice Constant and the Helical Turn Angle / p31 (0021.jp2)
- 3-7 Conclusion / p33 (0022.jp2)
- Chapter 4 Study of the Helifan Structures in Holmium / p34 (0023.jp2)
- 4-1 Magnetic Phase Diagram of Holmium / p34 (0023.jp2)
- 4-2 Helifan-A New Type of Magnetic Structure / p36 (0024.jp2)
- 4-3 Diffraction Patterns under various Magnetic Field at 50 K / p38 (0025.jp2)
- 4-4 Magnetization Processes at 50 K / p40 (0026.jp2)
- 4-5 Conclusion / p46 (0029.jp2)
- Chapter 5 Study of the Two-Dimensional Magnetic Ordering in TbRu₂Ge₂ Single Crystal at Low Temperatures / p47 (0029.jp2)
- 5-1 Magnetic Properties of TbRu₂Ge₂ / p47 (0029.jp2)
- 5-2 Two-Dimensional Magnetic Ordering / p48 (0030.jp2)
- 5-3 Diffraction Patterns in the a*-b* reciprocal Plane / p50 (0031.jp2)
- 5-4 Temperature Dependence of the Magnetic Reflections at the Low-Temperature Phase / p56 (0034.jp2)
- 5-5 The Magnetic Structure in the Low-Temperature Phase / p56 (0034.jp2)
- 5-6 The PF model / p63 (0037.jp2)
- 5-7 Conclusion / p64 (0038.jp2)
- Chapter 6 Study of the Tilted Helix Structure of Tb₀.₅Er₀.₅ in an External Magnetic Field / p66 (0039.jp2)
- 6-1 Terbium - Erbium system / p66 (0039.jp2)
- 6-2 Temperature Dependence of the Magnetic Structures / p68 (0040.jp2)
- 6-3 Magnetization Processes at 1.6K / p73 (0042.jp2)
- 6-4 Magnetization Processes at 4.2K / p75 (0043.jp2)
- 6-5 The Transition from a Tilted Helix to a Normal Helix / p77 (0044.jp2)
- 6-6 The model of the Magnetic Structures on Tb₀.₅Er₀.₅ / p80 (0046.jp2)
- 6-7 Conclusion / p83 (0047.jp2)
- Chapter 7 Conclusion / p84 (0048.jp2)
- References / p86 (0049.jp2)
- Acknowledgements / p89 (0050.jp2)
- Appendix A Principles of Neutron Scattering / p91 (0051.jp2)
- A-1 Nuclear Scattering / p91 (0051.jp2)
- A-2 Magnetic Scattering / p92 (0052.jp2)
- Appendix B Magnetization Processes on Helical Magnetic Structures / p99 (0055.jp2)
- Appendix C Magnetization Measurements with SQUID Magnetometer / p103 (0057.jp2)
- C-1 SQUID Magnetometer / p103 (0057.jp2)
- C-2 Results / p104 (0058.jp2)
- C-3 Magnetic Phase Diagram of Tb₀.₅Er₀.₅ / p110 (0061.jp2)
