everything.study
3.45

Magnetic Materials

3-0-9 units · Graduate

Topics include origin of magnetism in materials, magnetic domains and domain walls, magnetostatics, anisotropy, antiferro- and ferrimagnetism, magnetization dynamics, spintronics, magnetism in thin films and nanoparticles, magnetotransport phenomena, and magnetic characterization. Discusses a range of applications, including magnetic recording, spintronic memory, magnetoopical devices, and multiferroics. Assignments include problem sets and a term paper on a magnetic device or technology. Students taking graduate version complete additional assignments.

Spring 2004

Topics

  • Introduction
  • Magnetostatics
  • Magnetostatics (cont.)
  • Where Do Magnetic Moments Come From?
  • Spin, Anomalous Zeeman Effect, and Ferromagnetism
  • Exchange in Insulators
  • Bonding and Magnetism
  • Magnetic Anisotropy
  • Torque Measurement of Magnetic Anisotropy
  • Magnetoelastic Anisotropy
  • Magnetic Domain Walls and Domains
  • Magnetic Domains
  • Lab Experience
  • Analysis and Discussion of Lab Results
  • Magnetization Processes
  • Soft Ferromagnetic Materials Behavior
  • Amorphous Magnetism
  • Nanocrystalline Magnetic Materials
  • Hard Magnetic Materials
  • Transport in Magnetic Materials
  • Surface and Thin Film Magnetism
  • Magnetic Recording
  • Magnetic Recording Materials
  • Oral Presentations by Students (20-30 minutes)

Readings

  • All readings are sections from the course textbook - O’Handley, R. C. Modern Magnetic Materials, Principles and Applications . New York: John Wiley and Sons, 1999. ISBN: 9780471155669.
    Listed reading
  • Introduction
    Listed reading
  • Magnetostatics
    Listed reading
  • Maxwell’s Equations Give Boundary Conditions on B and H
    Listed reading
  • Magnetostatics (cont.)
    Listed reading
  • Where Do Magnetic Moments Come From?
    Listed reading
  • Spin, Anomalous Zeeman Effect, and Ferromagnetism
    Listed reading
  • Spin Quantum Numbers: l, s, j
    Listed reading
  • Exchange in Insulators
    Listed reading
  • Bonding and Magnetism
    Listed reading
  • Magnetic Anisotropy
    Listed reading
  • Torque Measurement of Magnetic Anisotropy
    Listed reading
  • Magnetoelastic Anisotropy
    Listed reading
  • Magnetic Domain Walls and Domains
    Listed reading
  • Magnetic Domains
    Listed reading
  • Lab Experience
    Listed reading
  • Magnetization Processes
    Listed reading
  • Soft Ferromagnetic Materials Behavior
    Listed reading
  • Amorphous Magnetism
    Listed reading
  • Nanocrystalline Magnetic Materials
    Listed reading
  • Hard Magnetic Materials
    Listed reading
  • Transport in Magnetic Materials
    Listed reading
  • Surface and Thin Film Magnetism
    Listed reading
  • Magnetic Recording
    Listed reading
  • Magnetic Recording Materials
    Listed reading
  • Particulate: y Fe2O3 CrO2, Co-Ferric Oxide, Barium Ferrite
    Listed reading
  • O’Handley, R. C. Modern Magnetic Materials, Principles and Applications. New York: John Wiley and Sons, 1999. ISBN: 9780471155669.
    Listed reading
  • Jiles, D. C. Introduction to Magnetism and Magnetic Materials . New York: Chapman and Hall, 1991. ISBN: 9780412386305.
    Listed reading
  • Cullity, B. Introduction to Magnetic Materials . Boston: Addison-Wesley, 1972. ISBN: 9780201012187.
    Listed reading
  • Chikazumi, S. Physics of Ferromagnetism . New York: Oxford University Press, 1997. ISBN: 9780198517764.
    Listed reading

Prerequisites & course information

Subject meets with 3.152 Prereq: 3.23 G (Spring) 3-0-9 units

Sources