References
- Courtens , E. , Vacher , R. and Dagorn , Y. 1986 . Phys. Rev. B , 33 : 7625
- Lyons , K. B. , Fleury , P. A. , Negran , T. J. and Carter , H. L. 1987 . Phys. Rev. B , 36 : 2465
- Fleury , P. A. and Worlock , J. M. 1968 . Phys. Rev. , 174 : 613
- Uwe , H. , Lyons , K. B. , Carter , H. L. and Fleury , P. A. 1986 . Phys. Rev. B , 33 : 6436
- The difference spectra in Figure 1 are obtained by subtraction of an equivalent spectrum in a lightly Sr-doped crystal, where the induced scattering is absent, due to screening of the impurities by the doping-induced free carriers.
- Yoshizawa , H. Cowley , R. A. 1982 . Phys. Rev. Lett. , 48 : 438
- Samara , G. A. 1984 . Phys. Rev. Lett. , 53 : 298
- Lyons , K. B. , Fleury , P. A. and Rytz , D. 1986 . Phys. Rev. Lett. , 57 : 2207
- Lyons , K. B. Fleury , P. A. 1976 . J. Appl. Phys. , 47 : 4898
- Rammal , R. and Souletie , J. 1982 . Magnetism of Metals and Alloys , Edited by: Cyrot , M. pp. 408 – 425 . North-Holland : Amsterdam .
- Lyons , K. B. and Fleury , P. A. 1987 . Time Dependent Effects in Disordered Materials , Edited by: Pynn , R. and Riste , R. pp. 297 – 300 . New York : Plenum .
- Svedlindh , P. 1987 . Phys. Rev. B , 35 : 263
- Chou , H. Shapiro , S. M. 1990 . Phys. Rev. B , 41 : 7231