Introduction to Solid State Physics |
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Page 187
... ANTIFERROMAGNETISM The antiferromagnetic state is characterized by an ordered anti- parallel arrangement of electron spins . When the exchange integral J Exchange integral > O Ferromagnetism Exchange integral < 0 Antiferromagnetism Fig ...
... ANTIFERROMAGNETISM The antiferromagnetic state is characterized by an ordered anti- parallel arrangement of electron spins . When the exchange integral J Exchange integral > O Ferromagnetism Exchange integral < 0 Antiferromagnetism Fig ...
Page 189
... ANTIFERROMAGNETIC DATA The Curie points often vary by considerable amounts between samples , and in some cases there ... antiferromagnetism arises ANTIFERROMAGNETISM 189.
... ANTIFERROMAGNETIC DATA The Curie points often vary by considerable amounts between samples , and in some cases there ... antiferromagnetism arises ANTIFERROMAGNETISM 189.
Page 194
... antiferromagnetic substances by neutron diffraction experi- ments . The experimental spin structure of manganese oxide in the antiferromagnetic state is shown in Fig . 10.24 . The most surprising feature about the observed spin lattice ...
... antiferromagnetic substances by neutron diffraction experi- ments . The experimental spin structure of manganese oxide in the antiferromagnetic state is shown in Fig . 10.24 . The most surprising feature about the observed spin lattice ...
Contents
LATTICE ENERGY OF IONIC CRYSTALS | 29 |
ELASTIC CONSTANTS OF CRYSTALS | 43 |
LATTICE VIBRATIONS | 60 |
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absorption alkali alloy anisotropy antiferromagnetic approximately atoms axes axis Bardeen barium titanate boundary calculated charge coefficient conduction band cube Curie point Debye density diamagnetic dielectric constant diffraction diffusion dipole direction discussed dislocation displacement domains effect elastic electric field energy entropy equation equilibrium experimental F-centers factor Fermi ferroelectric ferromagnetic free electron frequency given heat capacity holes impurity interaction ionic crystals ionized ions lattice constant lattice points London low temperatures magnetic field magnetic moment metals molecules motion nearest neighbor normal observed optical orbital parallel paramagnetic particles perovskite phonons Phys physical plane polarizability polarization positive potassium potassium chloride potential Proc quantum resonance result room temperature scattering Seitz shear Shockley shown in Fig single crystal sodium chloride solids specimen spin strain stress superconducting surface susceptibility symmetry Table theory thermal tion transition unit volume vacancy valence values vector velocity wave functions x-ray zero