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MonographDOI

Magnetism and Magnetic Materials

01 Jan 2001-Magnetism and Magnetic Materials (Cambridge University Press)-
TL;DR: In this paper, the authors introduce magnetostatics and magnetism of localized electrons on the atom, and apply it to spin electronics and magnetic recording, as well as applications of hard magnets.
Abstract: 1. Introduction 2. Magnetostatics 3. Magnetism of electrons 4. Magnetism of localized electrons on the atom 5. Ferromagnetism and exchange 6. Antiferromagnetism and other magnetic order 7. Micromagnetism, domains and hysteresis 8. Nanoscale magnetism 9. Magnetic resonance 10. Experimental methods 11. Magnetic materials 12. Applications of soft magnets 13. Applications of hard magnets 14. Spin electronics and magnetic recording 15. Special topics Appendixes Index.
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Journal ArticleDOI
TL;DR: A current snapshot of high-throughput computational materials design is provided, and the challenges and opportunities that lie ahead are highlighted.
Abstract: High-throughput computational materials design is an emerging area of materials science. By combining advanced thermodynamic and electronic-structure methods with intelligent data mining and database construction, and exploiting the power of current supercomputer architectures, scientists generate, manage and analyse enormous data repositories for the discovery of novel materials. In this Review we provide a current snapshot of this rapidly evolving field, and highlight the challenges and opportunities that lie ahead.

1,568 citations

Journal ArticleDOI
TL;DR: Microwave sintering has emerged as a new method for sinterding a variety of materials that has shown significant advantages against conventional sinterging procedures as mentioned in this paper. But microwave sinterings are not suitable for all materials.

911 citations

Journal ArticleDOI
TL;DR: This article reviews static and dynamic interfacial effects in magnetism, focusing on interfacially-driven magnetic effects and phenomena associated with spin-orbit coupling and intrinsic symmetry breaking at interfaces, identifying the most exciting new scientific results and pointing to promising future research directions.
Abstract: This article reviews static and dynamic interfacial effects in magnetism, focusing on interfacially-driven magnetic effects and phenomena associated with spin-orbit coupling and intrinsic symmetry breaking at interfaces. It provides a historical background and literature survey, but focuses on recent progress, identifying the most exciting new scientific results and pointing to promising future research directions. It starts with an introduction and overview of how basic magnetic properties are affected by interfaces, then turns to a discussion of charge and spin transport through and near interfaces and how these can be used to control the properties of the magnetic layer. Important concepts include spin accumulation, spin currents, spin transfer torque, and spin pumping. An overview is provided to the current state of knowledge and existing review literature on interfacial effects such as exchange bias, exchange spring magnets, spin Hall effect, oxide heterostructures, and topological insulators. The article highlights recent discoveries of interface-induced magnetism and non-collinear spin textures, non-linear dynamics including spin torque transfer and magnetization reversal induced by interfaces, and interfacial effects in ultrafast magnetization processes.

758 citations

Journal ArticleDOI
Do Kyung Kim1, Y. Zhang1, W. Voit1, K. V. Rao1, Mamoun Muhammed1 
TL;DR: In this article, the synthesis and coating of superparamagnetic monodispersed iron oxide nanoparticles was carried out by chemical solution method and controlled co-precipitation technique was used to prevent undesirable critical oxidation of Fe.

716 citations

Journal ArticleDOI
TL;DR: The Z2 invariants dictating the presence of DLNs are developed based on parity eigenvalues at the parity-invariant points in reciprocal space and the effects of spin-orbit interactions and symmetry breaking are discussed.
Abstract: We propose and characterize a new Z2 class of topological semimetals with a vanishing spin-orbit interaction. The proposed topological semimetals are characterized by the presence of bulk one-dimensional (1D) Dirac line nodes (DLNs) and two-dimensional (2D) nearly flat surface states, protected by inversion and time-reversal symmetries. We develop the Z2 invariants dictating the presence of DLNs based on parity eigenvalues at the parity-invariant points in reciprocal space. Moreover, using first-principles calculations, we predict DLNs to occur in Cu_{3}N near the Fermi energy by doping nonmagnetic transition metal atoms, such as Zn and Pd, with the 2D surface states emerging in the projected interior of the DLNs. This Letter includes a brief discussion of the effects of spin-orbit interactions and symmetry breaking as well as comments on experimental implications.

706 citations