✦ LIBER ✦
Temperature dependence of a superexchange interaction determined from merging effect of copper(II) EPR lines
✍ Scribed by S.K. Hoffmanne
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 396 KB
- Volume
- 98
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
An analytical expression describing the shape of an EPR spectrum containing two lines from differently oriented eschange coupled copper(H) compleses is presented and used for the determination of the interdimer e\chanSe integral S in [Co(enlj] z [Cu&ls] C12-2H20 crystal. The value 2J' = 0.0072 cm-'. 1s found at room temperature and decreases linearly with temperature as a result of thermal lattice vibrations.