whereas the newly discovered disproportionation according to route B can be regarded as a hydrogenation of an azo double bond [4]. The structure (3) can be considered as a transition state, especially since diimide produced from benzenesulfonylhydrazide hydrogenates added tolane stereospecifically t
✦ LIBER ✦
Investigation of vibronic energy relaxation of polymethin cyanine dyes by picosecond spectroscopy
✍ Scribed by H. Paerschke; K.-E. Süsse; D.-G. Welsch; M. Süsse
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 378 KB
- Volume
- 66
- Category
- Article
- ISSN
- 0009-2614
No coin nor oath required. For personal study only.
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We report a relaxation study of elementary excitations in heavily underdoped Bi 2 Sr 2 CaCu 2 O 8+d (Bi2212) using picosecond Raman Spectroscopy. In B 1g symmetry, the two-magnon peak shows a super-linear power dependence which is ascribed to excess magnon population. In contrast, the broad feature