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Optical Absorption of Polymer Films Doped with BEDT-TTF Polyiodides

100%
Helberg H., Staerk D., Ulański J., Jeszka J.
Acta Physica Polonica A
|
1995
|
vol. 87
|
issue 4-5
893-897
EN
Conducting reticulate doped polymeric films containing BEDT-TTF io­dide crystalline network were annealed in order to transform the crystallites into crystal phases with metallic conductivity. Measured optical absorption spectra show that annealing shifts the absorption band to higher frequencies and increases the transparency of the films. This behavior corresponds to the transformation of the α-phase into the superconducting α_{t}-phase observed in (BEDT-TTF)_{2}I_{3} single crystals.
2
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Microwave Conductivities of Polymer Films Doped with BEDT-TTF Polyiodides

100%
Staerk D., Helberg H. W., Ulański J., Jeszka J. K.
Acta Physica Polonica A
|
1995
|
vol. 87
|
issue 4-5
797-800
EN
Conducting reticulate doped polymeric films containing BEDT-TTF iodide crystalline networks have been annealed in order to transform the crystallites into crystal phases with metallic conductivity. The microwave conductivity of these films was measured before and after annealing. The temperature dependence of the conductivity changes dramatically with op­timal annealing temperatures and times. This change in the behavior cor­responds to the transformation of the α-phase into the superconducting α_{t}-phase observed in (BEDT-TTF)_{2}I_{3} single crystals.
3
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D.C. Conductivity of Polymer Composites with (BEDT-TTF)_{2}I_{3} Superconductor

76%
Ulański J., Jeszka J., Polanowski P., Głowacki I., Kryszewski M., Staerk D., Helberg H.
Acta Physica Polonica A
|
1995
|
vol. 87
|
issue 4-5
899-903
EN
Electrical properties of conducting reticulate doped polymeric films con­taining BEDT-TTF iodide crystalline network were investigated. Conditions of preparation of this kind of films i.e. time of doping by iodine vapours and time and temperature of annealing and their influence on transformation of the BEDT-TTF iodide crystallites into superconducting phase are discussed.
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