## Treatise on Materials Science and Technology, Volume 2 |

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Page 236

The BCS theory yields for the coherence

. 18hvf / kg T . ( Uf = Fermi velocity ) ( 9 ) which is 102 - 104 Å for most

superconductors . The mean extension of a Cooper pair and therefore the

coherence ...

The BCS theory yields for the coherence

**length**of a pure superconductor : šo = 0. 18hvf / kg T . ( Uf = Fermi velocity ) ( 9 ) which is 102 - 104 Å for most

superconductors . The mean extension of a Cooper pair and therefore the

coherence ...

Page 306

Regular polyhedra are polyhedra with equal -

polyhedra in the case of YIG are shown in Figs . 6a - c . In Fig . 6a ( Geller and

Gilleo , 1957 ) , the edge of the triangular dodecahedron marked with a single dot

has a ...

Regular polyhedra are polyhedra with equal -

**length**edges . The distortedpolyhedra in the case of YIG are shown in Figs . 6a - c . In Fig . 6a ( Geller and

Gilleo , 1957 ) , the edge of the triangular dodecahedron marked with a single dot

has a ...

Page 307

From Geschwind , 1961 , courtesy of American Institute of Physics . dot has a

6c , the edge of the tetrahedron marked with a single dot has a

From Geschwind , 1961 , courtesy of American Institute of Physics . dot has a

**length**of 2 . 68 Å , and the edge with double dots has a**length**of 2 . 99 Å . In Fig .6c , the edge of the tetrahedron marked with a single dot has a

**length**of 3 .### What people are saying - Write a review

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angle anisotropy approximation assumed atoms average axis c-sites calculated cations coherent compounds concentration condition considerations constant contribution corresponding crystal curve defect density dependence determined diffusion direction discussed dislocations displacement effect elastic elastic scattering electron energy equation et al exist experimental experiments factor field flux lines follows force function garnet given gives important increasing Inelastic Scattering interaction interface ions lattice length limit magnetic materials measured Merwe metal method misfit mode neutron normal obtained parameter phase phonon Phys plane position potential present properties range rare earth reference region relation resolution resonance respectively sample scattering cross section shown shows single solid solution space strain stress structure substrate superconducting surface Table temperature tetrahedral theory thermal thickness transition unit values vector X-ray