Introduction to Solid State Physics |
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Page 15
Ajay Kumar Saxena. ( a ) ( b ) Fig . 1.10 . The Meissner effect ( a ) For T > Tc or H > Hc , normal conductor ( b ) TT and H < He , material is superconductor the Meissner effect is related thermodynamically to the free - energy ...
Ajay Kumar Saxena. ( a ) ( b ) Fig . 1.10 . The Meissner effect ( a ) For T > Tc or H > Hc , normal conductor ( b ) TT and H < He , material is superconductor the Meissner effect is related thermodynamically to the free - energy ...
Page 39
... Meissner effect , 14 and is the reason that superconductors are perfect diamagnets . The circulating currents which ( by Lenz's law ) oppose the applied magnetic field are able to exactly cancel the applied field because the resistivity ...
... Meissner effect , 14 and is the reason that superconductors are perfect diamagnets . The circulating currents which ( by Lenz's law ) oppose the applied magnetic field are able to exactly cancel the applied field because the resistivity ...
Page 177
... Meissner effect . The exclusion of B is the effect of a surface current induced by the external field H. But since current densities j are limited by a critical value je ( see Eqs . ( 27.24 ) , ( 27.26 ) below ) , this also implies the ...
... Meissner effect . The exclusion of B is the effect of a surface current induced by the external field H. But since current densities j are limited by a critical value je ( see Eqs . ( 27.24 ) , ( 27.26 ) below ) , this also implies the ...
Contents
CRYSTAL STRUCTURE | 1 |
CRYSTAL DIFFRACTION AND THE RECIPROCAL LATTICE | 43 |
CRYSTAL BINDING | 95 |
Copyright | |
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absolute zero absorption alkali halide alloy antiferromagnet applied field atoms axis boundary Brillouin zone calculated Chapter charge components conduction band conduction electrons crystal structure cubic density dielectric constant dielectric function diffraction dipole direction dislocation dispersion relation effective mass elastic electric field electron concentration electron gas energy gap equation equilibrium excited exciton experimental F center Fermi surface ferroelectric ferromagnetic Figure free electron frequency function given heat capacity hole impurity interaction ionic lattice constant lattice points low temperatures magnetic field magnetic moment magnon metal modes momentum motion nearest neighbors neutron normal nuclear optical orbital paramagnetic particle phase phonon Phys plane polarization positive potential primitive cell quantum reciprocal lattice vector region resonance result room temperature scattering semiconductor shown in Fig space specimen sphere superconducting theory thermal tion transition unit vacancy valence band velocity wavefunction wavelength wavevector x-ray