EE 298.1: Introduction to Magnetism and Magnetic Materials

Department of Electrical Engineering

University of California, Los Angeles

Prof. Jack W. Judy Office: 6731E Boelter Hall Email: jjudy@ucla.edu Office Hours: Monday 2-3 pm Tel: (310) 206-1371 (email is best)	Lecture: Wednesday 12:00 – 1:50 pm Grading: 30% = Homework 30% = Quizzes 40% = Final
Dr. Ira B. Goldberg (visting scholar) Office: 14-130 Engineering IV Email: ibgoldbe@ee.ucla.edu Office Hours: Friday 10-11 am Tel: (310) 206-3995	Homework: Weekly homework assignments due by the end of lecture. Textbooks: Jiles, Introduction to Magnetism and Magnetic Materials, 2^nd Ed., Chapman and Hall, 1998. Units: 2 units

Course Outline

Week 1 Vocabulary and Units of Magnetism (reading) Magnetism Units, History, and Vocabulary (part1) Basic Equations Governing Magnetism (part2) Magnetism Vocabulary	Week 5 Characteristics of Ferromagnetic Materials and Domain structure Week 6 Shape and magnetocrystalline anisotropies Magnetostriction Magnetoresistance
Week 2 Sources of Magnetism (reading) Magnetic Charges Currents (Ampère’s Law, Biot-Savart) Fields generated by current loops, coils, segments	Week 7 Magnetic Measurement Techniques (Overview)
Week 3 Quantum Mechanics of Angular Momentum Atomic states (reading) Nuclear and electron spin states (reading) Paramagnetism and Diamagnetism Magnetic Resonance	Week 8 Bulk Magnetic Materials Alloys, Spinel Ferrites, Hexagonal Ferrites Applications Motors and Actuators. Electronic Devices Communications
Week 4 Origins of Ferromagnetism Quantum effects Ferromagnetic Characteristics Ferromagnetism, Ferrimagnetism, and Antiferromagnetism	Week 9 Thin-Film Magnetic Materials Structure and properties of magnetic thin films Applications to MEMS devices
	Week 10 Scaling Laws Review

Homework Assignments

HW 1 Vocabulary and Units of Magnetism	HW 6 Magnetoresistance
HW 2 Sources of Magnetism	HW 7 Magnetic Measurement Techniques
HW 3 Quantum Mechanics of Angular Momentum Paramagnetism and Diamagnetism Magnetic Resonance	HW 8 Bulk Magnetic Materials Applications
HW 4 Origins of Ferromagnetism Ferromagnetic Characteristics	HW 9 Thin-Film Magnetic Materials
HW 5 Characteristics of Ferromagnetic Materials	HW 10 Scaling Laws