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DESCRIPTION:Mike Whangbo \, NC State University\n\nThis talk will briefly r
eview how the spin exchange interactions of magnetic solids are described
quantitatively and qualitatively. When the choice of a spin lattice is mad
e by inspecting the geometrical pattern of the magnetic ion arrangement or
by seeking the novelty of the physics the chosen model generates\, intere
sting but erroneous interpretations often result. The importance of choosi
ng a spin lattice on the basis of electronic structure considerations is e
mphasized. The magnetic solids to be discussed in this talk include: \nCs
2 CuCl 4 \, \nNa 3 Cu 2
SbO 6 \, \nBi 4 Cu 3 V 2 O 14 \, \nCu 3 (CO 3 ) 2 <
/sub> (OH) 2 \, \nAgCrO 2 \, \nCa 3
CoMnO 6 \, \nMnWO 4 \, \n[Cu(HF 2 )(
pyz) 2 ]BF 4 . \n
DTSTART:20091203T210000Z
LOCATION:Physics Building\, Room 204
SUMMARY:Spin exchange interactions and magnetic properties
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