Band structure of YBa2Cu3Ox in relation with the oxygen vacancy distribution
作者： E Orti , Ph Lambin , J-L Bredas , J-P Vigneron , EG Derouane
DOI: 10.1016/0038-1098(87)90971-9
关键词:
摘要: Abstract The electronic band structure and the density of states YBa2Cu3Ox superconductor are computed for x = 7 using extended Huckel scheme. Two ordered arrangements oxygen vacancies in basal Cu-O planes have been considered. It is shown that vacancy distribution plays a major role this compound deeply influences at Fermi level.
harvard.edu
elsevier.com
sci-hub.se 参考文章(9)
Jaejun Yu, A. J. Freeman, J. -H. Xu, Electronically driven instabilities and superconductivity in the layered La2-xBaxCuO4 perovskites. Physical Review Letters. ,vol. 58, pp. 1035- 1037 ,(1987) , 10.1103/PHYSREVLETT.58.1035
M. K. Wu, J. R. Ashburn, C. J. Torng, P. H. Hor, R. L. Meng, L. Gao, Z. J. Huang, Y. Q. Wang, C. W. Chu, Superconductivity at 93 K in a new mixed-phase Y-Ba-Cu-O compound system at ambient pressure Physical Review Letters. ,vol. 58, pp. 908- 910 ,(1987) , 10.1103/PHYSREVLETT.58.908
L. F. Mattheiss, Electronic band properties and superconductivity in La2-yXyCuO4. Physical Review Letters. ,vol. 58, pp. 1028- 1030 ,(1987) , 10.1103/PHYSREVLETT.58.1028
J. G. Bednorz, K. A. M�ller, Possible high Tc superconductivity in the Ba-La-Cu-O system European Physical Journal B. ,vol. 64, pp. 189- 193 ,(1986) , 10.1007/BF01303701
T. Siegrist, S. Sunshine, D. W. Murphy, R. J. Cava, S. M. Zahurak, Crystal structure of the high- T c superconductor Ba 2 YCu 3 O 9 − δ Physical Review B. ,vol. 35, pp. 7137- 7139 ,(1987) , 10.1103/PHYSREVB.35.7137
J. J Capponi, C Chaillout, A. W Hewat, P Lejay, M Marezio, N Nguyen, B Raveau, J. L Soubeyroux, J. L Tholence, R Tournier, Structure of the 100 K Superconductor Ba2YCu3O7 between (5 ÷ 300) K by Neutron Powder Diffraction EPL. ,vol. 3, pp. 1301- 1307 ,(1987) , 10.1209/0295-5075/3/12/009
Roald Hoffmann, An Extended Hückel Theory. I. Hydrocarbons The Journal of Chemical Physics. ,vol. 39, pp. 1397- 1412 ,(1963) , 10.1063/1.1734456
Robert V. Kasowski, William Y. Hsu, Frank Herman, Electronic structure of pure and doped orthorhombic La2CuO4 Solid State Communications. ,vol. 63, pp. 1077- 1080 ,(1987) , 10.1016/0038-1098(87)91051-9
Katsuhiko Takegahara, Hisatomo Harima, Akira Yanase, Electronic Structure of La2CuO4by APW Method Japanese Journal of Applied Physics. ,vol. 26, pp. L352- L354 ,(1987) , 10.1143/JJAP.26.L352