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- Title
Appearance of new lines and change in line shape in the IR spectrum of a NaV[sub 2]O[sub 5] single crystal at a spin-Peierls transition.
- Authors
Popova, M. N.; Sushkov, A. B.; Vasil’ev, A. N.; Isobe, M.; Ueda, Yu.
- Abstract
New lines are observed in the infrared spectrum of a crystal due to unit-cell doubling at a spin-Peierls transition (in NaV[sub 2]O[sub 5]). The change in the shape of the spectral lines at the spin-Peierls transition is recorded. A contour characteristic of a Fano resonance is observed above the transition temperature T[sub sp] and the standard symmetric contour is observed below T[sub sp]. We attribute this effect to the opening of a gap in the magnetic-excitation spectrum at the spin-Peierls transition. © 1997 American Institute of Physics.
- Subjects
INFRARED spectra; CRYSTALS
- Publication
JETP Letters, 1997, Vol 65, Issue 9, p743
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.567420