Anisotropy and Hard Magnets

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Related lectures (33)

Covers the materials science of magnetic materials, focusing on properties, concepts, and optimization for functional applications.

Permanent Magnets: Hysteresis Cycle MOOC: Electromechanical conversion I

Covers the hysteresis cycle of permanent magnets and their sensitivity to temperature.

Nano Magnetism: Recording and Magnetization

Explores nano-magnetism, magnetic recording trends, storage media, and the magnetism of isolated atoms.

Magnetic anisotropy: fundamentals and applications

Explores magnetic anisotropy energy, orbital moments, bit magnetization, superparamagnetism, and atomic-scale engineering in nanostructures.

Ferromagnetism: Magnetic Properties

Explores the magnetic properties of ferromagnetic materials, including retention of magnetization and hysteresis cycles.

Magnetic Interactions: Ferromagnetism & Exchange

Covers ferromagnetism, antiferromagnetism, and paramagnetism, explaining exchange interactions and magnetic domains.

Applications of Hard Magnets Log in to Mediaspace to watch this video

Explores the applications and benefits of hard magnets in modern technologies, emphasizing their compact design advantages.

Magnetic Anisotropy: Basics and Applications Log in to Mediaspace to watch this video

Explores magnetic anisotropy fundamentals, temperature effects, and applications in modern technologies.

Magnetic Materials: Hysteresis Curves Explained Log in to Mediaspace to watch this video

Covers hysteresis curves in magnetic materials, focusing on soft and hard magnets and their applications.

Hard Magnetic Materials: Fabrication and Properties Log in to Mediaspace to watch this video

Explores the fabrication and properties of hard magnetic materials, focusing on strategies for high coercivity and remanence.

Hysteresis Curves: M vs H_int Log in to Mediaspace to watch this video

Explains hysteresis curves, coercive fields, and the concept of a true permanent magnet.

Demagnetization Field: External vs Internal Fields Log in to Mediaspace to watch this video

Explores demagnetization field in non-ellipsoidal bodies, comparing external and internal fields and discussing magnetic energy and shape anisotropy.

Magnetic Domains and Walls Log in to Mediaspace to watch this video

Explores magnetic domains and walls in ferromagnetic materials, discussing their formation, energy considerations, and domain configurations.

Magnetic Hysteresis: Behavior and Loops Log in to Mediaspace to watch this video

Covers magnetic hysteresis, coercive fields, and soft magnetic materials, including the history of coercive fields and interpreting hysteresis curves.

Magnetic Anisotropy in Ferromagnetic Materials Log in to Mediaspace to watch this video

Explores magnetic anisotropy in different ferromagnetic materials and discusses the magnetocrystalline anisotropy of permalloy and rare-earth magnets.

Soft Magnets: Properties and Applications Log in to Mediaspace to watch this video

Explores the optimization strategies and characteristics of soft magnetic materials for technical applications in modern technologies.

Magnetic Domains and Walls: Properties and Characteristics Log in to Mediaspace to watch this video

Explores magnetic domains, domain walls, and their energy considerations in materials like iron, cobalt, and nickel.

Anisotropy and Spin-Orbit Coupling Log in to Mediaspace to watch this video

Explores anisotropy in magnetic materials, spin-orbit coupling effects, and magnetization curves.

Soft Magnetic Materials: Fe-Si Alloys to Amorphous Alloys Log in to Mediaspace to watch this video

Explores Fe-Si and Ni-Fe soft magnetic materials, discussing their properties, processing, and applications, as well as the benefits of tailored impurities.

Hard Magnets: Materials, critical elements, Sect. 4.6&4.7 Log in to Mediaspace to watch this video

Explores the characteristics and production of hard magnets, emphasizing the significance of rare earth elements and their diverse applications.

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