Metal-insulator transition i and

Physical Review B - Condensed Matter and Materials Physics

Volumn 56, Issue 11, 1997, Pages 6627-6630

  Khazeni, K ^a   Crespi, Vincent H ^a   Hone, J ^a   Zettl, A ^a   Cohen, Marvin L ^a  

^a LAWRENCE BERKELEY NATIONAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001190510     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.56.6627     Document Type: Article

References (22)

1. J. Winter and H. Kuzmany, Solid State Commun. 84, 935 (1992).
2. Q. Zhu, O. Zhou, J. E. Fischer, A. R. McGhie, W. J. Romanow, R. M. Strongin, M. A. Cichy, and A. B. Smith III, Phys. Rev. B 47, 13 948 (1993).
3. Peter W. Stephens, G. Bortel, G. Faigel, M. Tegze, A. Jánossy, S. Pekker, G. Oszlanyi, and L. Forró, Nature (London) 370, 636 (1994).
4. (Formula presented) versus lattice constant: O. Zhou, G. B. M. Vaughan, Qing Zhu, J. E. Fischer, P. A. Heiney, N. Coustel, J. P. McCauley, and A. B. Smith III, Science 255, 833 (1992).
5. the Hall coefficient versus lattice constant: Li Lu, V. H. Crespi, M. S. Fuhrer, A. Zettl, and M. L. Cohen, Phys. Rev. Lett. 74, 1637 (1995).
6. (Formula presented) versus lattice constant: V. A. Stenger, C. H. Pennington, D. R. Buffinger, and R. P. Ziebarth, 74, 1649 (1995).
7. a discussion based on earlier work [R. Tycko, G. Dabbagh, M. J. Rosseinsky, D. W. Murphy, A. P. Rameriz, and R. M. Fleming, 68, 1912 (1992)] is in the Ph.D. thesis of V. H. Crespi, University of California, Berkeley.
8. J. Hone, M. S. Fuhrer, K. Khazeni, and A. Zettl, Phys. Rev. B 52, 8700 (1995).
9. F. Bommeli, L. Degiorgi, P. Wachter, Ö. Legeza, A. Jánossy, G. Oszlanyi, O. Chauvet, and Forró, Phys. Rev. B 51, 14 794 (1995).
10. S. Pekker, A. Janossy, L. Mihaly, O. Chauvet, M. Carrard, and L. Forró, Science 265, 1077 (1994).
11. M. Carrard, L. Forró, L. Mihaly, and S. Pekker, Synth. Met. 80, 29 (1996).
12. O. Chauvet, et al., Phys. Rev. Lett. 72, 2721 (1994).
13. M. C. Martin, D. Koller, A. Rosenberg, C. Kendziora, and L. Mihaly, Phys. Rev. B 51, 3210 (1995).
14. A. Janossy, O. Chauvet, S. Pekker, J. R. Cooper, and L. Forró, Phys. Rev. Lett. 71, 1091 (1993); Laszlo Mihaly et al. (unpublished).
15. M. C. Martin, D. Koller, X. Du, P. W. Stephens, and L. Mihály, Phys. Rev. B 49, 10 818 (1994).
16. A magnetic transition has been observed in dimerized KC(Formula presented) G. Oszlányi, G. Bortel, G. Faigel, M. Tegze, L. Gránásy, S. Pekker, P. W. Stephens, G. Bendele, R. Dinnebier, G. Mihály, A. Jánossy, O. Chauvet, and L. Forró, Phys. Rev. B 51, 12 228 (1995).
17. W. A. Vareka and A. Zettl, Phys. Rev. Lett. 72, 4121 (1994).
18. Since superconductivity in other alkali-doped phases C(Formula presented) [and several other organic conductors, e.g., J. E. Schirber, Mol. Cryst. Liq. Cryst. 181, 285 (1990) or
19. R. L. Greene and P. M. Chaikin, Physica B & C 126, 431 (1984)] is suppressed by external pressure, it is interesting to search for superconductivity at pressures near that which induces metallic behavior near (Formula presented).
20. J. Nguyen, J. Hone, R. Jeanloz, and A. Zettl (unpublished). The bulk moduli are nearly constant across the pressure range and corrections to constant volume using bulk moduli differing by 10-30 % do not change the essential results of this work.
21. E. J. Mele, G. V. Krishna, and S. C. Erwin, Phys. Rev. B 52, 12 493 (1995).
22. S. C. Erwin, G. V. Krishna, and E. J. Mele, 51, 7345 (1995). LDA calculations show that the intrachain bandwidth in KC(Formula presented) is small because the (Formula presented) intermolecular bonds interact weakly with the (Formula presented)-like state at the Fermi level. In addition to the instabilities of a one-dimensional metal, three-dimensional (Formula presented)C(Formula presented) at smaller lattice constants may enter a pseudogapped phase which is ferromagnetic intrachain and antiferromagnetic interchain.