Strongly enhanced 1/f - noise level in {kappa}-(BEDT-TTF){sub 2}X salts.
Fluctuation spectroscopy has been used as an investigative tool to understand the scattering mechanisms of carriers and their low-frequency dynamics in quasi-two-dimensional organic conductors ?-(BEDT-TTF)2X. We report on the very high noise level in these systems as determined from Hooge's empirical law to quantify 1/f-type noise in solids. The value of the Hooge parameter ?H, i.e. the normalized noise level, of 105-107 is several orders of magnitude higher than values of ?Hnot, vert, similar10-2-10-3 typically found in homogeneous metals and semiconductors.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC); Deutsche Forschungagemeinschaft
- DOE Contract Number:
- DE-AC02-06CH11357
- OSTI ID:
- 982694
- Report Number(s):
- ANL/MSD/JA-67261; TRN: US201015%%1299
- Journal Information:
- Physica B, Vol. 405, Issue 2010
- Country of Publication:
- United States
- Language:
- ENGLISH
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