Raman phonons in La{sub 2-2x}Sr{sub 1+2x}Mn{sub 2}O{sub 7} layered manganites.
Journal Article
·
· J. Raman Spectrosc.
Phonons of polycrystalline La{sub 2-2x}Sr{sub 1+2x}Mn{sub 2}O{sub 7} (0.38 x 1.0) ceramic samples were studied at room temperature using Raman spectroscopy. The spectra are consistent with the group theory predictions for a body-centered tetragonal crystal structure (D{sup 17}{sub 4h}). Since no appreciable changes were observed in the Raman spectra for different extents of La doping, this suggests that the layered manganite structure is less sensitive to dopants than that of the related three-dimensional perovskites.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- SC; FOR
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 942911
- Report Number(s):
- ANL/MSD/JA-35840
- Journal Information:
- J. Raman Spectrosc., Journal Name: J. Raman Spectrosc. Journal Issue: 11 ; Nov. 2000 Vol. 31; ISSN 0377-0486
- Country of Publication:
- United States
- Language:
- ENGLISH
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