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

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Page 236

At absolute zero the thermodynamic critical

= 1 / 2N ( 0 ) 42 ( 6 ) The critical

approximately as H . ( T ) / H . ( 0 ) = 1 – ( T / T . ) ? ( 7 ) Modifications to the BCS

theory ...

At absolute zero the thermodynamic critical

**field**H . ( 0 ) is given by H . ( 0 ) 2 / 81= 1 / 2N ( 0 ) 42 ( 6 ) The critical

**field**falls off with increasing temperatureapproximately as H . ( T ) / H . ( 0 ) = 1 – ( T / T . ) ? ( 7 ) Modifications to the BCS

theory ...

Page 237

superconductor . To get the difference of the free energies for H , + 0 , we

therefore have to add the

for finite applied ...

**field**Ha , the**field**will penetrate into the normal metal but not into thesuperconductor . To get the difference of the free energies for H , + 0 , we

therefore have to add the

**field**expulsion energy density H , ? / 87 . Thus we getfor finite applied ...

Page 302

There are many significant achievements in this

treatises on this subject ( Orgel , 1960 ; Griffith , 1961 ; Ballhausen , 1962 ) to

which all interested readers are referred . There have also been specific studies

on ...

There are many significant achievements in this

**field**and numerous books andtreatises on this subject ( Orgel , 1960 ; Griffith , 1961 ; Ballhausen , 1962 ) to

which all interested readers are referred . There have also been specific studies

on ...

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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