By David L. Nelson and Thomas F. George (Eds.)
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Extra info for Chemistry of High-Temperature Superconductors II
37. Butler, W. ; Olsen, J. ; Faulkner, J. ; Gyorffy, B. L. Phys. Rev. Β 1979, 19, 3708. 38. Allen, P. ; Pickett, W. Rev. Β 1987, 36, 3926. 39. Allen, P. ; Pickett, W. Rev. Β 1988, 37, 7482. 40. ; Collins, R. ; Kaiser, D. ; Holtzberg, F. Phys. Rev. Lett. 1987, 59, 1958. 41. Worthington, T. ; Gallagher, W. ; Dinger, T. Rev. Lett. 1987, 59, 1160. 42. Tozer, S. Rev. Lett. 1987, 59, 1768. 43. ; Murakami, T. Jpn. J. Appl. Phys. 1987, 26, L524. 44. Yu, R. Rev. Β 1988, 26, 7963. ; ACS Symposium Series; American Chemical Society: Washington, DC, 1988.
For, unless experimental evidence f o r magnetic correlations i n these systems i s found, i t would imply either a common, non-magnetic mechanism, or that two d i f f e r e n t mechanisms f o r high T occur i n systems that are c l o s e l y related, a s l i g h t l y implausible s i t u a t i o n . Mother Nature i s having a F i e l d Day! ; ACS Symposium Series; American Chemical Society: Washington, DC, 1988. 42 CHEMISTRY OF HIGH-TEMPERATURE SUPERCONDUCTORS Π Conclusions The status of the applicability of "traditional" band structure and electron-phonon scattering mechanisms to the high-T oxides is currently somewhat unclear.
0. Refer to Figure 1 f o r s i t e definitions. ; ACS Symposium Series; American Chemical Society: Washington, DC, 1988. 3. KLEIN ET A L Oxide Superconductors 31 The Fermi l e v e l , Ep, crosses a single band with antibonding pda character. 14). Since the 0 states (see Figure 3) are completely f i l l e d , we see that the Cu(d)-O (p) band crossing Ep is exactly half-filled for stoichiometric 2-1-4, an e s s e n t i a l a t t r i b u t e for some of the "new mechanism" models being proposed for the oxides.
Chemistry of High-Temperature Superconductors II by David L. Nelson and Thomas F. George (Eds.)