Publication: Electron-lattice coupling in congruent Co-doped LiNbO_3 : Cr^3^+: ZnO crystal
Loading...
Official URL
Full text at PDC
Publication Date
2001-07-30
Authors
Advisors (or tutors)
Editors
Journal Title
Journal ISSN
Volume Title
Publisher
Institute of Physics
Abstract
The importance of the role of the ion-lattice coupling in determining the energy levels of Cr^3^+ ions in congruent LiNbO_3 crystals doped with 2.9% of ZnO is demonstrated in this paper. The Racah parameters: B = 533 cm^-1, C = 3244 cm^-1 and the crystal-field intensity Dq = 1527 cm^-1 were determined and the Tanabe-Sugano diagram was constructed. The characteristics of the absorption and the emission spectra of Cr^3^+ ions in these crystals can be explained in terms of the configurational-coordinate diagram in the harmonic approximation, with good agreement obtained. The Huang-Rhys parameter S = 6.86 and the lattice phonon energy hbarω = 343 cm^-1 are also reported in this work.
Description
© 2001 IOP Publishing Ltd.
UCM subjects
Unesco subjects
Keywords
Citation
[1] Volk T R, Rubinina N M and Wöhlecke V I M 1994 J. Opt. Soc. Am. B 11 1681-7
[2] Jaque D, Capmany J, García-Solé J, Brenier A and Boulon G 2000 Appl. Phys. B 70 11-14
[3] Montoya E, Capmany J, Bausá L E, Kellner T, Diening A and Haber G 1999 Appl. Phys. Lett. 74 3113-15
[4] Qiu Y 1993 J. Phys.: Condens. Matter 5 2041-4
[5] Diaz-Caro J, García-Solé J, Bravo D, Sanz-García J A, López F J and Jaque F 1996 Phys. Rev. B 54 13042-6
[6] Torchia G A, Sanz-García J A, Díaz-Caro J, Han T and Jaque F 1998 Chem. Phys. Lett. 288 65-70
[7] Torchia G A, Sanz-García J A, López F J, Bravo D, García-Solé J, Jaque F, Gallagher H G and Han T P J 1998 J. Phys.: Condens. Matter 10 L341-5
[8] Corradi G, Soethe H, Spaeth J M and Polgár K 1991 J. Phys.: Condens. Matter 3 1901-8
[9] Martín A, López F J and Agulló-López F 1992 J. Phys.: Condens. Matter 4 847-53
[10] Kling A, Soares J C, da Silva M F, Sanz-García J A, Dieguez E and Agulló-López F 1998 Nucl. Instrum. Methods Phys. Res. B 136-138 426-30
[11] Jia W, Liu H, Knutson R and Yen W M 1990 Phys. Rev. B 41 10906-10
[12] Tanabe Y and Sugano S 1954 J. Phys. Soc. Japan 9 753-66
[13] Sugano S J, Tanabe Y and Kamikura H 1970 Multiplets of Transition Metal Ions in Crystals (New York: Academic).
[14] Henderson B and Imbush G F 1989 Optical Spectroscopy of Inorganic Solids (Oxford: Oxford Science)
[15] Macfarlane P I, Holliday K, Nicholls J F H and Henderson B 1995 J. Phys.: Condens. Matter 7 9643-56
[16] Camarillo E, Tocho J O, Vergara I, Dieguéz E, García-Solé J and Jaque F 1990 Phys. Rev. B 45 4600-4
[17] Ridah A, Fontana M D and Bourson P 1997 Phys. Rev. B 56 5967-73
[18] Ridah A, Bourson P, Fontana M D and Malovichko G 1997 J. Phys.: Condens. Matter 9 9687-93
[19] Torchia G A, Muñoz J A, Cusso F, Jaque F and Tocho J O 2001 J. Lumin. 92 317-22.