Optical investigations of the charge gap in orbital-ordered

Physical Review B - Condensed Matter and Materials Physics

Volumn 61, Issue 10, 2000, Pages 6902-6906

  Jung, J ^a   Ahn, J ^a   Yu, Jaejun ^a   Noh, T ^a   Lee, Jinhyoung ^a   Moritomo, Y ^a  

^a JAPAN SCIENCE AND TECHNOLOGY AGENCY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000994742     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.61.6902     Document Type: Article

References (27)

1. For review, see M. Imada, A. Fujimori, and Y. Tokura, Rev. Mod. Phys. 70, 1039 (1998).
2. S. Jin, T.H. Tiefel, M. McCormack, R.A. Fastnacht, R. Ramesh, and L.H. Chen, Science 264, 413 (1994).
3. Y. Moritomo, Y. Tomioka, A. Asamitsu, Y. Tokura, and Y. Matsui, Phys. Rev. B 51, 3297 (1995).
4. B.J. Sternlieb, J.P. Hill, U.C. Wildgruber, G.M. Luke, B. Nachumi, Y. Moritomo, and Y. Tokura, Phys. Rev. Lett. 76, 2169 (1996).
5. Y. Murakami, H. Kawada, H. Kawata, M. Tanaka, T. Arima, Y. Moritomo, and Y. Tokura, Phys. Rev. Lett. 80, 1932 (1998).
6. E.O. Wollan and W.C. Koehler, Phys. Rev. 100, 545 (1955).
7. M. Kubota, H. Yoshizawa, Y. Moritomo, H. Fujioka, K. Hirota, and Y. Endoh, J. Phys. Soc. Jpn. 68, 2202 (1999).
8. T.W. Noh, J.H. Jung, and K.H. Kim, Physics of Manganites, edited by T.A. Kaplan and S.D. Mahanti (Plenum, New York, 1999), and references therein.
9. H.L. Liu, S.L. Cooper, and S-W. Cheong, Phys. Rev. Lett. 81, 4684 (1998).
10. P. Calvani, G. De Marzi, P. Dore, S. Lupi, P. Maselli, F. D’Amore, S. Gagliardi, and S-W. Cheong, Phys. Rev. Lett. 81, 4504 (1998).
11. Y. Okimoto, Y. Tomioka, Y. Onose, Y. Otsuka, and Y. Tokura, Phys. Rev. B 59, 7401 (1999).
12. T. Ishikawa, K. Ookura, and Y. Tokura, Phys. Rev. B 59, 8367 (1999).
13. Y. Moritomo, A. Nakamura, S. Mori, N. Yamamoto, K. Ohoyama, and M. Ohashi, Phys. Rev. B 56, 14 879 (1997).
14. A. Sekiyama, S. Suga, M. Fujikawa, S. Imada, T. Iwasaki, K. Matsuda, T. Matsushita, K.V. Kaznacheyev, A. Fujimori, H. Kuwahara, and Y. Tokura, Phys. Rev. B 59, 15 528 (1999).
15. J.H. Jung, K.H. Kim, D.J. Eom, T.W. Noh, E.J. Choi, J. Yu, Y.S. Kwon, and Y. Chung, Phys. Rev. B 55, 15 489 (1997).
16. Phys. Rev. BJ.H. Jung, K.H. Kim, T.W. Noh, E.J. Choi, and J. Yu, 57, R11 043 (1998).
17. K.H. Kim, J.Y. Gu, H.S. Choi, G.W. Park, and T.W. Noh, Phys. Rev. Lett. 77, 1877 (1996).
18. Phys. Rev. Lett.K.H. Kim, J.H. Jung, and T.W. Noh, 81, 1517 (1998).
19. R.M.A. Azzam and N.M. Bashara, Ellipsometry and Polarized Light (Elsevier Science, Amsterdam, 1989).
20. Y. Moritomo et. al (unpublished).
21. J. Lee, J. Yu, and K. Terakura (unpublished).
22. J. Korean Phys. Soc. 33, S55 (1998).
23. K. Terakura, I. Solovyev, and H. Sawada, Colossal Magnetoresistive Oxides, edited by Y. Tokura (Gordon & Breach, Tokyo, 1999), and references therein.
24. A similar Hamiltonian was also used. Refer to A.J. Millis, B.I. Shraiman, and R. Mueller, Phys. Rev. Lett. 77, 175 (1996).
25. P.W. Anderson, Phys. Rev. 102, 1008 (1956).
26. A. Moreo, S. Yunoki, and E. Dagotto, Science 283, 2034 (1999).
27. H. Yi and J. Yu, Phys. Rev. B 58, 11 123 (1998).