Ultra high pressure application to organic conductors

S. Kagoshima, Ryusuke Kondo, N. Matsushita, S. V. Ovsyannikov, N. A. Shaidarova, V. V. Shchennikov

Research output: Contribution to journalArticle

Abstract

Under pressures as high as 20 GPa at room temperature the electronic and structural properties of organic conductors were measured to search for interesting pressure regimes where novel electronic states were expected. Thermopower, two-probe electrical resistance and contraction of sample's volume were measured on the organic conductors: θ-(BEDT-TTF) 2CsZn(SCN) 4, α-(BEDT-TTF) 2I 3, (BEDT-TTF) 2 PF 6 and (BEDT-TTF)-TCNQ. All the materials exhibited a positive thermopower of the order of 10 μV/K. At about 4-7 GPa (crossover pressure P x) sharp changes were found in the pressure dependence of electronic and mechanical properties of all the substances under consideration related probably to the structural changes under pressure.

Original languageEnglish
Pages (from-to)413-416
Number of pages4
JournalJournal of Low Temperature Physics
Volume142
Issue number3-4
DOIs
Publication statusPublished - Feb 2006
Externally publishedYes

Fingerprint

Organic conductors
conductors
Thermoelectric power
Electronic properties
electronics
electrical resistance
Acoustic impedance
pressure dependence
contraction
Electronic states
crossovers
mechanical properties
Structural properties
probes
room temperature
Mechanical properties
BEDT-TTF

Keywords

  • 62.50.+p
  • 72.15.Jf
  • 72.80.Le

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Kagoshima, S., Kondo, R., Matsushita, N., Ovsyannikov, S. V., Shaidarova, N. A., & Shchennikov, V. V. (2006). Ultra high pressure application to organic conductors. Journal of Low Temperature Physics, 142(3-4), 413-416. https://doi.org/10.1007/s10909-006-9126-7

Ultra high pressure application to organic conductors. / Kagoshima, S.; Kondo, Ryusuke; Matsushita, N.; Ovsyannikov, S. V.; Shaidarova, N. A.; Shchennikov, V. V.

In: Journal of Low Temperature Physics, Vol. 142, No. 3-4, 02.2006, p. 413-416.

Research output: Contribution to journalArticle

Kagoshima, S, Kondo, R, Matsushita, N, Ovsyannikov, SV, Shaidarova, NA & Shchennikov, VV 2006, 'Ultra high pressure application to organic conductors', Journal of Low Temperature Physics, vol. 142, no. 3-4, pp. 413-416. https://doi.org/10.1007/s10909-006-9126-7
Kagoshima S, Kondo R, Matsushita N, Ovsyannikov SV, Shaidarova NA, Shchennikov VV. Ultra high pressure application to organic conductors. Journal of Low Temperature Physics. 2006 Feb;142(3-4):413-416. https://doi.org/10.1007/s10909-006-9126-7
Kagoshima, S. ; Kondo, Ryusuke ; Matsushita, N. ; Ovsyannikov, S. V. ; Shaidarova, N. A. ; Shchennikov, V. V. / Ultra high pressure application to organic conductors. In: Journal of Low Temperature Physics. 2006 ; Vol. 142, No. 3-4. pp. 413-416.
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