Aktas / Mikailov Advances in Nanoscale Magnetism

Proceedings of the International Conference on Nanoscale Magnetism ICNM-2007, June 25 -29, Istanbul, Turkey
1. Auflage 2008
ISBN: 978-3-540-69882-1
Verlag: Springer-Verlag
Format: PDF
Kopierschutz: Adobe DRM (»Systemvoraussetzungen)

E-Book, Englisch, 330 Seiten

The book aims to provide an overview of recent progress in the understanding of magnetic properties in nanoscale through recent results of various theoretical and experimental investigations. The papers describe a wide range of physical aspects.

Autoren/Hrsg.

Aktas, Bekir

Mikailov, Faik

Inhaltsverzeichnis

1;Preface;6
2;Contents;10
3;1 Role of Defects and Disorder in the Half- Metallic Full- Heusler Compounds;16
3.1;1.1 Introduction;16
3.2;1.2 Defects in Full-Heuslers Containing Co and Mn;18
3.3;1.3 Defects Driven Half-Metallic Ferrimagnetism;22
3.4;1.4 A Possible Route to Half- Metallic Antiferromagnetism;26
3.5;1.5 Vacancies;28
3.6;1.6 Summary and Outlook;29
3.7;References;31
4;2 Clustering in Heusler Alloys;35
4.1;2.1 Introduction;35
4.2;2.2 Experimental Methods;38
4.3;2.3 Results and Discussion;38
4.4;References;48
5;3 Anisotropy of Ferromagnetic Heusler Alloys Thin Films;50
5.1;3.1 Introduction;50
5.2;3.2 The Theory of Ferromagnetic Resonance;55
5.3;3.3 Introduction;63
5.4;3.4 Conclusions;75
5.5;References;77
6;4 Quantum Monte Carlo Study of Anderson Magnetic Impurities in Semiconductors;79
6.1;4.1 Introduction;79
6.2;4.2 Model;81
6.3;4.3 Two-Dimensional Case;83
6.4;4.4 Three-Dimensional Case;91
6.5;4.5 Tight-Binding Model for a Mn d Orbital in GaAs;94
6.6;4.6 Discussion and Summary;96
6.7;References;98
7;5 New Type of Nanomaterials: Doped Magnetic Semiconductors Contained Ferrons, Antiferrons and Afmons;100
7.1;5.1 Introduction;100
7.2;5.2 Ferrons;101
7.3;References;121
8;6 Cerium-Doped Yttrium Iron Garnet Thin Films Prepared by Sol- Gel Process: Synthesis, Characterization, and Magnetic Properties;123
8.1;Abbreviations;123
8.2;6.1 Introduction;124
8.3;6.2 Experimental Details;127
8.4;6.3 Results and Discussion;130
8.5;6.4 Summary and Conclusions;137
8.6;References;138
9;7 Tuning the Magnetic and Electronic Properties of Manganite Thin Films by Epitaxial Strain;140
9.1;7.1 Introduction;140
9.2;7.2 Preparation and Analysis of Films;144
9.3;7.3 Structural Characterization, Electrical and Magnetic Properties of Manganites Film;147
9.4;7.4 General Discussion;153
9.5;7.5 Conclusions;155
9.6;References;155
10;8 Radiation Nanostructuring of Magnetic Crystals;157
10.1;8.1 Introduction;157
10.2;8.2 The Influence of Inhomogeneities upon the Properties of Ferrites and Ferrite Devices;158
10.3;8.3 Wave-Front Reversal in a Medium with Inhomogeneities;159
10.4;8.4 Experimental Results;161
10.5;8.5 Discussions;167
10.6;8.6 Conclusions;172
10.7;References;173
11;9 Electromagnetic Radiation of Micro and Nanomagnetic Structures with Magnetic Reversal;174
11.1;9.1 Introduction;174
11.2;9.2 Experimental;175
11.3;9.3 Results and Discussion;177
11.4;9.4 Conclusions;187
11.5;References;188
12;10 Structural and Magnetic Properties and Preparation Techniques of Nanosized M- type Hexaferrite Powders;189
12.1;10.1 Introduction;189
12.2;10.2 Crystalline Structure;190
12.3;10.3 Magnetic Properties;192
12.4;10.4 Methods for Preparation;198
12.5;10.5 Microemulsion Technique;202
12.6;References;205
13;11 Nanocrystallization and Surface Magnetic Structure of Ferromagnetic Ribbons and Microwires;210
13.1;11.1 Introduction;210
13.2;11.2 Co-Rich Ribbons;211
13.3;11.3 Ni-Rich Ribbons;215
13.4;11.4 Microwires with Novel Composition Cu70(Co70Fe5Si10B15)30;217
13.5;References;222
14;12 On Structural and Magnetic Propertiesof Fe73.5 xSi13.5B9Cu1Nb3Mnx Metal Alloys;223
14.1;12.1 Introduction;223
14.2;12.2 Experiment;224
14.3;12.3 Results and Discussion;224
14.4;12.4 Conclusions;233
14.5;References;234
15;13 FeCoZr– Al2O3 Granular Nanocomposite Films with Tailored Structural, Electric, Magnetotransport and Magnetic Properties;235
15.1;13.1 Introduction;235
15.2;13.2 Properties of FeCoZr– Al2O3 Nanocomposite Films: Synthesis in Pure Ar and Mixed Ar + O Ambient;247
15.3;13.3 Concluding Remarks;265
15.4;References;267
16;14 Ferromagnetism of Nanostructures Consisting of Ferromagnetic Granules with Dipolar Magnetic Interaction;272
16.1;14.1 Introduction;272
16.2;14.2 Lattices of Point-like and Rod-like Ferromagnetic Granules with Dipole Interaction;276
16.3;14.3 Lattices of Ellipsoidal Granules with Dipole Interaction;283
16.4;14.4 Partially Populated Lattices of Point- Like Ising Dipoles;290
16.5;14.5 Random Systems of Point-Like and Rod- Like Ising Dipoles;298
16.6;14.6 Experimental Examples;314
16.7;References;321
17;15 Magnetic Dipolar Interactions in Nanoparticle Systems: Theory, Simulations and Ferromagnetic Resonance;323
17.1;15.1 Introduction;323
17.2;15.2 Theory of Dipole – Dipole Interactions in Magnetic Nanoparticles;324
17.3;15.3 Ferromagnetic Resonance in Magnetic Nanoparticles;327
17.4;15.4 Conclusions;328
17.5;References;328
18;Contributors;329