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The low-frequency dielectric response and non-linear DC electrical transport in k-(BEDT-TTF)2Cu[N(CN)2]Cl (CROSBI ID 474801)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Pinterić, Marko ; Biškup, Neven ; Tomić, Silvia ; Schweitzer, Dieter ; Strunz, Werner ; Heinen, Ilsabe The low-frequency dielectric response and non-linear DC electrical transport in k-(BEDT-TTF)2Cu[N(CN)2]Cl // Proceedings of 35th International Conference on Microelectronics, Devices and Materials (MIDEM'99) Ljubljana, Slovenia / Amon, S. ; Trontelj, L. ; Šorli, I. (ur.). Ljubljana: Society for Microelectronics, Electronic Components and Materials (MIDEM), 1999. str. 83-88

Podaci o odgovornosti

Pinterić, Marko ; Biškup, Neven ; Tomić, Silvia ; Schweitzer, Dieter ; Strunz, Werner ; Heinen, Ilsabe

engleski

The low-frequency dielectric response and non-linear DC electrical transport in k-(BEDT-TTF)2Cu[N(CN)2]Cl

We report AC transport and non-linear DC electrical transport in single crystals of the organic conductor k-(BEDT-TTF)2Cu[N(CN)2]Cl. Non-linear conductivity emerges below 22 K, which is the temperature of canted antiferromagnetic ordering. A broad dielectric relaxation mode of moderate strength (De ~ 3´103) appears at 32 K, and weakens with temperature. The mean relaxation time, much larger than that expected for single-particle excitations, is thermally activated in a manner similar to the DC conductivity and saturates below 22 K. The observed dielectric response data give evidence of a collective mode contribution to the dielectric properties, which might be attributed to charged domain walls in a ferromagnetic domain structure. Non-linear conductivity similar to those observed for commensurate spin and charge density waves are found.

dielectric response; non-linear transport; kappa-ET

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Podaci o prilogu

83-88.

1999.

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objavljeno

Podaci o matičnoj publikaciji

Proceedings of 35th International Conference on Microelectronics, Devices and Materials (MIDEM'99) Ljubljana, Slovenia

Amon, S. ; Trontelj, L. ; Šorli, I.

Ljubljana: Society for Microelectronics, Electronic Components and Materials (MIDEM)

Podaci o skupu

Nepoznat skup

predavanje

29.02.1904-29.02.2096

Povezanost rada

Fizika