516-0917/03 – Magnetic Properties of Solids (MVPL)
Gurantor department | Institute of Physics | Credits | 10 |
Subject guarantor | doc. Dr. Mgr. Kamil Postava | Subject version guarantor | doc. Dr. Mgr. Kamil Postava |
Study level | postgraduate | Requirement | Choice-compulsory |
Year | | Semester | winter + summer |
| | Study language | Czech |
Year of introduction | 2003/2004 | Year of cancellation | 2015/2016 |
Intended for the faculties | HGF | Intended for study types | Doctoral |
Subject aims expressed by acquired skills and competences
Conclude fundamentals of magnetism theory. Relate magnetic properties of solids, modern magnetic materials. Present their applications
Classify basic phenomena and materials - soft magnetic materials, permanent magnets, magnetic transport effects, magnetic properties of superconductors, magnetic storage, sensors, and spin electronics.
Teaching methods
Lectures
Individual consultations
Summary
The course includes fundamentals of magnetism and magnetic properties of
solids. It is focused on understanding of basic properties of magnetic
materials, microscopic origin of magnetism, its phenomenological description,
magnetic circuits, soft magnetic materials, permanent magnets, magnetic
transport effects, magnetic properties of superconductors. Magnetic properties
of materials are related to their applications in magnetic storage, sensors,
and spin electronics.
Compulsory literature:
1. B. D. Cullity, Introduction to Magnetic Materials, Addison-Wesley, 1972,
(2nd ed. Wiley, 2005).
2. R. C. O'Handley, Modern Magnetic Materials : Principles and Applications,
Wiley-Interscience, 1999.
3. R. E. Hummel, Electronic properties of materials, 3rd ed., Springer, 2000.
4. N. A. Spaldin, Magnetic Materials, Fundamentals and Device Applications,
Cambridge University Press, 2003.
Recommended literature:
1. JILES, D. Introduction to magnetism and magnetic materials. CRC Press, 1998.
Way of continuous check of knowledge in the course of semester
E-learning
Other requirements
individual systematic study
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
1.magnetostatics
- The boundary conditions of Maxwell's equations
- Magnetic flux, magnetic flux density
- Magnetic field generators
- Ampere's law the total current, magnetic circuits
- Permittivity and magnetic susceptibility
2.ORIGIN atomic magnetism
- Electron spin, Pauli exclusion principle
- Orbital and spin magnetic moments
- Spin-orbit interaction, Hund rules
3.A DIAMAGNETIZMUS paramagnetism
- Diamagnetic susceptibility
- Langevin theory paramagnetizmu
- Curie-Weiss law
4.FEROMAGNETIZMUS, Magnetic anisotropy
- Collective electron theory feromagnetizmu, Curie temperature
- Antiferromagnetic and ferrimagnetic arrangement
- Ferromagnetic domain observation of magnetic domains
- Domains theories, magnetic anisotropy, hysteresis
- Magnetostriction and magnetoelastic phenomena
5. MAGNETIC MATERIALS
- Magnetically soft materials for iron-based amorphous alloys
- Magnetically hard materials, ferrites
- Permanent magnets and their applications
- Magnetic oxides, magnetic semiconductors
6. Transport phenomena in magnetic materials
- Transport of electrons in magnetic materials
- Hall events
- Magnetorezistivita, GMR, TMR
- Giant magnetoimpedance
7. APPLICATION OF MAGNETIC MATERIALS
- Magnetic sensors
- High-temperature superconductors
- Magnetic recording information
- Biotechnological applications
- Magnetic cooling, magnetocaloric effects
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction
Předmět neobsahuje žádné hodnocení.