Course Contents

INTRODUCTION: magnetism & Types of magnetic materials with their applications, Concept of Magnetism in classical and quantum physics. ORIGIN OF MAGNETISM: orbital motion of a single electron, spin states of a single electron, states of isolated ions, ions in magnetic fields, spectroscopic investigations, Quantum Mechanics, Magnetism and Bonding in Metals. MAGNETICALLY ORDERED SOLIDS: spontaneous magnetic order, ferromagnetisms in elements, alloys and metallic compounds, ferromagnetism & anti-ferromagnetism, linear and helical magnetism. MAGNETIC ANISOTROPY: magnetocrystalline anisotropy, shape anisotropy and stress anisotropy. DIA- AND PARA-MAGNETISM IN SOLIDS: diamagnetism of isolated atoms and ions, diamagnetism of crystalline solids, the main classes of paramagnetic solids, paramagnetism due to ions of rare-earth and transition elements, paramagnetism of metals, free radicals and molecular paramagnetism, paramagnetic relaxation. SOFT MAGNETIC MATERIALS: theory and applications. AMORPHOUS MATERIALS magnetism and disorder Magnetism in Small Structures: exchange coupling and nanocrystals, SURFACE AND THIN FILM MAGNETISM, MODERN APPLICATIONS OF MAGNETIC MATERIALS

Course Synopsis

INTRODUCTION: magnetism & Types of magnetic materials with their applications, Concept of Magnetism in classical and quantum physics. ORIGIN OF MAGNETISM: orbital motion of a single electron, spin states of a single electron, states of isolated ions, ions in magnetic fields, spectroscopic investigations, Quantum Mechanics, Magnetism and Bonding in Metals. MAGNETICALLY ORDERED SOLIDS: spontaneous magnetic order, ferromagnetisms in elements, alloys and metallic compounds, ferromagnetism & anti-ferromagnetism, linear and helical magnetism. MAGNETIC ANISOTROPY: magnetocrystalline anisotropy, shape anisotropy and stress anisotropy. DIA- AND PARA-MAGNETISM IN SOLIDS: diamagnetism of isolated atoms and ions, diamagnetism of crystalline solids, the main classes of paramagnetic solids, paramagnetism due to ions of rare-earth and transition elements, paramagnetism of metals, free radicals and molecular paramagnetism, paramagnetic relaxation. SOFT MAGNETIC MATERIALS: theory and applications. AMORPHOUS MATERIALS magnetism and disorder Magnetism in Small Structures: exchange coupling and nanocrystals, SURFACE AND THIN FILM MAGNETISM, MODERN APPLICATIONS OF MAGNETIC MATERIALS

Course Learning Outcomes

After taking this course the students are able to understand the magnetic materials and their properties.