30 - Magnetism III

30 - Magnetism III - Physics 212 Magnetism III Nov. 6, 2009...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Physics 212 Fall 2009 Magnetism III Nov. 6, 2009
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Magnetic Moment Which of the following does not signiFcantly contribute to the magnetism of a given material? a) the spin magnetic moment of protons b) the spin magnetic moment of neutrons c) the spin magnetic moment of electrons d) the angular magnetic moment of electrons e) both (a) and (b)
Background image of page 2
Summary Diamagnetism - weak repulsion / material is normally non-magnetic μ e = orb + s Weak magnetic dipole moments will be induced that are generally aligned in opposition to the applied feld. Orbital moment is aFFects by external feld Magnetic properties determined by electron orbital and spin angular momentum e = orb + s
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Paramagnetism Normally nonmagnetic material exhibits a weak attraction to an external feld Examine total dipole moment (oF N atoms) and see how they align with feld Dipoles randomly oriented thermal “agitation” Dipoles orient along feld lines μ T = N atom Paramagnetism - alignment oF dipoles in external feld produces weak attraction μ e = orb + s
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/03/2011 for the course PHYS 221 taught by Professor Tedeschi during the Fall '09 term at South Carolina.

Page1 / 11

30 - Magnetism III - Physics 212 Magnetism III Nov. 6, 2009...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online