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Spatially resolved and integral measurements of the electron spin diffusion properties of an organic quasi 1-D conductor

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2005

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Saez de Jauregui, David
Matejcek, Stefan
Dormann, Elmar

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https://doi.org/10.1016/j.synthmet.2005.07.110
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Synthetic Metals. 2005, 152(1-3), pp. 401-404. ISSN 0379-6779. eISSN 1879-3290. Available under: doi: 10.1016/j.synthmet.2005.07.110

Zusammenfassung

The radical cation salt (Fluoranthen)2PF6 is an organic quasi-1d conductor showing a Peierls transition at TP = 186 K. Model calculations predicted that the Peierls transition is suppressed by an increased density of defects which can be influenced by irradiating the crystals with high-energetic protons (EP = 25 MeV). This prediction could be verified by microwave conductivity measurements investigating a homogeneously irradiated crystal. In order to eliminate possible sample dependence, a high quality crystal was irradiated through a periodic grid to result in a stripy pattern. A detailed spatially resolved X-band-pulse-ESR-analysis quantifies the resulting defect concentration and proves that the Peierls transition can be nonuniformly suppressed.

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540 Chemie

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Organic conductors based on radical and/or anion salts; Metal-insulator phase transitions; Electron spin resonance

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ISO 690DRESCHER, Malte, David SAEZ DE JAUREGUI, Stefan MATEJCEK, Elmar DORMANN, 2005. Spatially resolved and integral measurements of the electron spin diffusion properties of an organic quasi 1-D conductor. In: Synthetic Metals. 2005, 152(1-3), pp. 401-404. ISSN 0379-6779. eISSN 1879-3290. Available under: doi: 10.1016/j.synthmet.2005.07.110
BibTex
@article{Drescher2005-09Spati-40201,
  year={2005},
  doi={10.1016/j.synthmet.2005.07.110},
  title={Spatially resolved and integral measurements of the electron spin diffusion properties of an organic quasi 1-D conductor},
  number={1-3},
  volume={152},
  issn={0379-6779},
  journal={Synthetic Metals},
  pages={401--404},
  author={Drescher, Malte and Saez de Jauregui, David and Matejcek, Stefan and Dormann, Elmar}
}
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