Mott gap excitations in twin-free YBa2Cu3O7-δ (Tc=93K) studied by resonant inelastic X-ray scattering

Physical Review Letters

Volumn 94, Issue 18, 2005, Pages

  Ishii, K ^a   Tsutsui, K ^b   Endoh, Y ^a,c   Tohyama, T ^b   Kuzushita, K ^a   Inami, T ^a   Ohwada, K ^a   Maekawa, S ^b   Masui, T ^d   Tajima, S ^d   Murakami, Y ^a,e   Mizuki, J ^a  

^a JAPAN SYNCHROTRON RADIATION RESEARCH INSTITUTE   (Japan)

^b TOHOKU UNIVERSITY   (Japan)

^c INTERNATIONAL INSTITUTE FOR ADVANCED STUDIES   (Japan)

^d SUPERCONDUCTIVITY RESEARCH LABORATORY   (Japan)

^e TOHOKU UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

ANISOTROPIC SPECTRA; MOTT GAP EXCITATIONS; RESONANT INELASTIC X-RAY SCATTERING; TWIN-FREE CRYSTAL;

ANISOTROPY; CHARGE TRANSFER; COPPER OXIDES; SUPERCONDUCTING MATERIALS; X RAY SCATTERING; YTTRIUM COMPOUNDS;

ELECTRIC EXCITATION;

EID: 27144545464     PISSN: 00319007     EISSN: 10797114     Source Type: Journal    
DOI: 10.1103/PhysRevLett.94.187002     Document Type: Article

References (28)

1. B. Koch, H.P. Geserich, and T. Wolf, Solid State Commun. SSCOA4 0038-1098 71, 495 (1989). 10.1016/0038-1098(89)90099-9
2. K. Takenaka, Phys. Rev. B PRBMDO 0163-1829 50, 6534 (1994). 10.1103/PhysRevB.50.6534
3. D.N. Basov, Phys. Rev. Lett. 74, 598 (1995). PRLTAO 0031-9007 10.1103/PhysRevLett.74.598
4. R. Gagnon, Phys. Rev. Lett. 78, 1976 (1997). PRLTAO 0031-9007 10.1103/PhysRevLett.78.1976
5. H.L. Edwards, Phys. Rev. Lett. PRLTAO 0031-9007 73, 1154 (1994). 10.1103/PhysRevLett.73.1154
6. D.J. Derro, Phys. Rev. Lett. PRLTAO 0031-9007 88, 097002 (2002). 10.1103/PhysRevLett.88.097002
7. M. Maki, Phys. Rev. B PRBMDO 0163-1829 65, 140511 (2002). 10.1103/PhysRevB.65.140511
8. D.K. Morr and A.V. Balatsky, Phys. Rev. Lett. 90, 067005 (2003). PRLTAO 0031-9007 10.1103/PhysRevLett.90.067005
9. M. Mori, Phys. Rev. B PRBMDO 0163-1829 69, 014513 (2004). 10.1103/PhysRevB.69.014513
10. D.H. Lu, Phys. Rev. Lett. PRLTAO 0031-9007 86, 4370 (2001). 10.1103/PhysRevLett.86.4370
11. M.Z. Hasan, Science SCIEAS 0036-8075 288, 1811 (2000). 10.1126/science.288.5472.1811
12. M.Z. Hasan, Phys. Rev. Lett. 88, 177403 (2002). PRLTAO 0031-9007 10.1103/PhysRevLett.88.177403
13. Y.J. Kim, Phys. Rev. Lett. 89, 177003 (2002). PRLTAO 0031-9007 10.1103/PhysRevLett.89.177003
14. Y.-J. Kim, Phys. Rev. Lett. 92, 137402 (2004). PRLTAO 0031-9007 10.1103/PhysRevLett.92.137402
15. Y.-J. Kim, Phys. Rev. B PRBMDO 0163-1829 69, 155105 (2004). 10.1103/PhysRevB.69.155105
16. T. Inami, Phys. Rev. B PRBMDO 0163-1829 67, 045108 (2003). 10.1103/PhysRevB.67.045108
17. K. Ishii, Phys. Rev. B PRBMDO 0163-1829 70, 224437 (2004). 10.1103/PhysRevB.70.224437
18. V. Hinkov, Nature (London) NATUAS 0028-0836 430, 650 (2004). 10.1038/nature02774
19. T. Inami, Nucl. Instrum. Methods Phys. Res., Sect. A NIMAER 0168-9002 467-468, 1081 (2001). 10.1016/S0168-9002(01)00731-8
20. Y. Yamada and Y. Shohara, Physica C (Amsterdam) 217, 182 (1993). PHYCE6 0921-4534 10.1016/0921-4534(93)90810-D
21. N. Kosugi, Phys. Rev. B PRBMDO 0163-1829 41, 131 (1990). 10.1103/PhysRevB.41.131
22. See EPAPS Document No. E-PRLTAO-94-074521 for further details on the momentum dependence of the Mott gap excitations. A direct link to this document may be found in the online article's HTML reference section. The document may also be reached via the EPAPS homepage (http://www.aip.org/pubservs/epaps.html) or from ftp.aip.org in the directory /epaps/. See the EPAPS homepage for more information.
23. K. Tsutsui, T. Tohyama, and S. Maekawa, Phys. Rev. Lett. 83, 3705 (1999). PRLTAO 0031-9007 10.1103/PhysRevLett.83.3705
24. W.E. Pickett, R.E. Cohen, and H. Krakauer, Phys. Rev. B PRBMDO 0163-1829 42, 8764 (1990). 10.1103/PhysRevB.42.8764
25. K. Tsutsui, T. Tohyama, and S. Maekawa, Phys. Rev. Lett. 91, 117001 (2003). PRLTAO 0031-9007 10.1103/PhysRevLett.91.117001
26. K. Tsutsui, T. Tohyama, and S. Maekawa, Phys. Rev. B PRBMDO 0163-1829 61, 7180 (2000). 10.1103/PhysRevB.61.7180
27. Y. Ohta, T. Tohyama, and S. Maekawa, Phys. Rev. Lett. 66, 1228 (1991). PRLTAO 0031-9007 10.1103/PhysRevLett.66.1228
28. Y. Tokura, Phys. Rev. B PRBMDO 0163-1829 41, 11657 (1990). 10.1103/PhysRevB.41.11657