Temperature Dependence of the Optical Response of Small, Open Shell Sodium Clusters
β Scribed by Ellert, Christoph; Schmidt, Martin; Schmitt, Christina; Reiners, Thomas; Haberland, Hellmut
- Book ID
- 125427308
- Publisher
- The American Physical Society
- Year
- 1995
- Tongue
- English
- Weight
- 213 KB
- Volume
- 75
- Category
- Article
- ISSN
- 0031-9007
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π SIMILAR VOLUMES
Photoabsorption cross sections were measured for Na,+ , n=9,21, and 41 at two temperatures, a low one at T= 130 K, and a high one with T> 300 K. A large, unexpected temperature effect is observed. The single, broad peaks observed at high temperature become narrower at 130 K for n = 2 1 and 4 1. For
## Abstract Information about the orderβdisorder transition of NaNO~2~ is obtained from the temperature dependence of the optical nonlinear susceptibility Ο^(2)^. The decrease of Ο^(2)^(__T__) in the ferroelectric phase can be related to increasing rotational motion of the NOβions. While Ο^(2)^ ind