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Frequency-dependent conductivity of charge ordering phases in two-dimensional organic metals: search for the anisotropic dispersion and collective excitations

Frequency-dependent conductivity of charge ordering phases in two-dimensional organic metals: search for the anisotropic dispersion and collective excitations
二维有机金属中电荷排序相的频率相关电导率:寻找各向异性色散和集体激发
批准号:
54227208
负责人:
Professor Dr. Martin Dressel
金额:
$0.0万
依托单位:
依托单位国家:
德国
项目类别:
Research Grants
财政年份:
2008
资助国家:
德国
项目状态:
已结题
起止时间:
2007-12-31 至 2009-12-31

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中文摘要
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英文摘要
The aim of this research program is to advance the understanding of charge-ordered electronic phases stabilized in two-dimensional organic conductors. In particular, we will look for the collective excitations of these charge-ordered states: the dc electricfield nonlinear effects, the low-frequency loss peak and the pinned charge-mode resonance. Experimentally, we will perform studies of frequency, electric field and temperature dependent conductivity in the dc-MHz range and in the optical wave range (submillimeter, millimeter and infrared spectral range) for electric fields along the main crystallographic directions. These experiments will be extended by investigations of galvanornagnetic properties of the charge ordering phase transition.
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