Microwave Conductivities of Polymer Films Doped with BEDT-TTF Polyiodides

Staerk, Daniel U.; Helberg, H. W.; Ulański, Jacek; Jeszka, J.K.

doi:10.12693/aphyspola.87.797

Search citation statements

Order By: Relevance

Paper Sections

Select...

Methods1

Citation Types

Supporting

Mentioning

Contrasting

Year Published

1995

1996

Publication Types

Select...

Article2

Relationship

Self Cite1

Independent1

Authors

Journals

Cited by 2 publications

(1 citation statement)

References 7 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Also the crystalline network in the films is examined in a polarizing microscope. The samples are treated together with samples which are used for measurements of the microwave conductivity [8].…”

Section: Methodsmentioning

confidence: 99%

Optical Absorption of Polymer Films Doped with BEDT-TTF Polyiodides

et al. 1995

Self Cite

View full text Add to dashboard Cite

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)2I3 single crystals.

show abstract

Section: Methodsmentioning

confidence: 99%

Optical Absorption of Polymer Films Doped with BEDT-TTF Polyiodides

et al. 1995

Self Cite

View full text Add to dashboard Cite

show abstract

Superconducting organic polymer films

Ulański

Jeszka

Laukhina

et al. 1996

Macromolecular Symposia

View full text Add to dashboard Cite

A concept of producing superconducting composites by means of reticulate doping of polymers with low molecular weight organic superconductors is presented. The obtained polycarbonate films contain around 2 wt.% of BEDT‐TTF polyiodides in a form of continuous crystalline network. D.c. and microwave conductivity measurements demonstrate, that the as‐obtained reticulate composites show semiconducting‐type properties. After annealing at optimized conditions a dramatic change occurs and the composites become metallic in the entire temperature range due to a conversion of various phases of the BEDT‐TTF polyiodides into the metallic and superconducting β1‐phase. The composites show the superconducting transition below 5 K1 as evidenced by magnetoresistance measurements, indicating that the content of the β1‐phase microcrystals in the conducting network exceeds the percolation threshold.

show abstract

Microwave Conductivities of Polymer Films Doped with BEDT-TTF Polyiodides

Cited by 2 publications

References 7 publications

Optical Absorption of Polymer Films Doped with BEDT-TTF Polyiodides

Optical Absorption of Polymer Films Doped with BEDT-TTF Polyiodides

Superconducting organic polymer films

Contact Info

Product

Resources

About