Magnetic phase transition, aggregate formation, and electrical conductivity in Fe-doped polyacetylene
- 1 December 1983
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 28 (11), 6589-6591
- https://doi.org/10.1103/physrevb.28.6589
Abstract
Both and ions occur in Fe-doped polyacetylene. At low dopant levels (<0.01 mole fraction) both and ions are paramagnetic down to 4.2 K. At dopant levels >0.01 mole fraction, there is evidence from Mössbauer spectroscopy that ions associate into aggregates which are magnetically ordered below 25 K. Aggregate formation appears to correlate with high electrical conductivity.
Keywords
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