Magnetic Materials: Principles and Applications

Crosslisted as: MATS 251B, NANO 251A, MAE 265B

The basis of magnetism: classical and quantum mechanical points of view. Different kinds of magnetic materials. Magnetic phenomena including anisotropy, magnetostriction, domains, and magnetization dynamics. Current frontiers of nanomagnetics research including thin films and particles. Optical, data storage, and biomedical engineering applications of soft and hard magnetic materials.

Proposed notes for final:  Final notes

Syllabus ’15

News and assignments

Week 1 reading: Cullity Chapter 1, Chapter 3.1-3.6 and Chapter 4

HW#1 due on Jan. 22, 2015.

HW1 solution

HW#2 due on Feb. 12.

HW2 solution

HW#3 due on Mar. 3.

HW3 solution

HW#4 due on Mar. 12

HW4 solution

There are corrections to problems 4 and 7.  For problem 4 you also need the saturation magnetization of 1000 emu/cm^3.  For Problem 7 you need to have a damping factor of 0.01.

Read chapters 13 and 14 in Cullity (on soft and hard magnets)

Week 2 reading: Cullity Chapter 9 and sections 1-4 Dennis review article (posted below)

Week 4 reading: Biomedical Nanomagnetics: A spin through possibilities in imaging, diagnostics and therapy (link below)

Paper on MRI contrast using nanoparticles: MRI contrast particles

paper on multispectral MRI nature07048

Chapter on soft magnets: 12 soft magnets

Magnetic challenges for HEV

Magnetic Materials and Energy Review

spintronics review paper

MRAM review

STT applications

Lecture slides

Week1-A + extra material first lecture plus extra material.

Week1-B + extra material second lecture plus extra materials



Week4 with updated slide


permanent magnetic slides

thin-film slides

transport slides part 1

transport slide part 2

Magnetic recording intro slides

Magnetic recording scaling slides

Field notes

MRAM slides intro and writing


Class times and location (Winter 2015): Tu/Th, 8:00pm – 9:20pm, WLH 2113

Office Hours: Tuesday and Thursday 10 -11 am, and by appointment

Office: CMRR, Directors Office (off lobby)



Introduction to magnetic materials/ B.D. Cullity, C.D. Graham, Hoboken, N.J. : IEEE/Wiley, c2009

(at search for “Cullity magnetic materials”)

Also suggest:

Magnetic materials: fundamentals and applications / Nicola A. Spaldin, Cambridge; New York: Cambridge University Press, 2010

(at search for “Spaldin magnetic materials”)


Magnetism and magnetic materials / J.M.D. Coey, Cambridge University Press, 2010

(at search for “Coey magnetic materials”)

see Syllabus for additional books reserved in the library.

Journal review article:

The defining length scales of mesomagnetism: a review, Dennis et al., J. Phys: Condens. Matter 14, R1175 (2002).

Biomedical Nanomagnetics: A spin through possibilities in imaging, diagnostics and therapy, K. M. Krishnan, IEEE Trans. Magn. 46, 2523 (2010).


Homework: 25%   (Assigned 1st, 3rd, 5th and 7th weeks and due in two weeks.)

Literature write-up: 10%,  Due 10th week

Midterm: 15%  (Feb. 11)

Final: 50%,   3/20/2012  9:00 AM – 11:59 AM           Location: TBA

Lecture policy: Attendance is expected, and class participation encouraged. All the material presented in the class is fair game on the quizzes and examinations.

Examinations: Exams will be closed book.

Academic Integrity: A zero tolerance policy towards academic dishonesty will be enforced. Academic misconduct includes but is not limited to cheating, plagiarism and collusion and

will result in a failing grade (F) will be awarded and the case forwarded to the Academic Integrity Office.

You are encouraged to read the official campus policy:,

Please speak with the instructor if you have any concerns.