Superconductivity in D- and F-band MetalsHarry Suhl, M. Brian Maple |
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Page 77
... compounds with the A15 crystal structure have dominated the class of high temperature superconductors . The crystal structure of an A15 compound A3B is cubic ( space group 0 ) . However , the site symmetry ( D2d ) of the A atoms is much ...
... compounds with the A15 crystal structure have dominated the class of high temperature superconductors . The crystal structure of an A15 compound A3B is cubic ( space group 0 ) . However , the site symmetry ( D2d ) of the A atoms is much ...
Page 84
... A15 structure among high - T compounds : Is there something special about the A15 structure ? One feature that seems to emerge is that the A15 structure forces the nearest neighbor A atom separation ( along the chains ) to be ~ 10 ...
... A15 structure among high - T compounds : Is there something special about the A15 structure ? One feature that seems to emerge is that the A15 structure forces the nearest neighbor A atom separation ( along the chains ) to be ~ 10 ...
Page 456
... A15 compounds V3X and Nb3X , X Al , Ga , Si , Ge , and Sn have been presented . In Fig . 1 we show new results for Nb3Sb , one of the low- T , ( = 0.2 K ) A15 com- pounds . We see from Fig . 1 that N ( EF ) ( EF is the Fermi energy ) is ...
... A15 compounds V3X and Nb3X , X Al , Ga , Si , Ge , and Sn have been presented . In Fig . 1 we show new results for Nb3Sb , one of the low- T , ( = 0.2 K ) A15 com- pounds . We see from Fig . 1 that N ( EF ) ( EF is the Fermi energy ) is ...
Contents
Theoretical OverviewEmphasis on New Mechanisms | 13 |
Working Hypotheses | 23 |
Superconductivity in the Actinides | 37 |
Copyright | |
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A15 compounds A15 phase A15 structure Academic Press actinides actinium alloys americium amorphous anisotropy annealing atoms band structure behavior Brillouin zone calculations composition Copyright©1980 by Academic critical field curves density dHvA disorder Douglass effects electron-phonon europium experimental f electron f-Band Metals Fermi energy Fermi level Fermi surface ferromagnetic FIGURE films form reserved frequency function Gavaler Geballe high-Te impurities interaction irradiation ISBN kbar Kessel Laboratory lanthanum lattice lattice constant layers Lett low temperature magnetic materials Mattheiss Matthias measurements Nb,Ge Nb3Ge Nb3Ir Nb3Sb Nb3Sn neptunium neutron niobium observed obtained parameter peaks phonon Phys Physics pressure properties protactinium region resistivity rights of reproduction samples scattering shown in Fig single crystal Solid State Commun specific heat sputtered stoichiometric superconducting Testardi theoretical theory thickness thorium tion transition metal transition temperature V3Si valence values