Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2002-03-20
Physics
Condensed Matter
Strongly Correlated Electrons
10 pages 3 figures
Scientific paper
Details of the Fermi-surface topology of deuterated $\kappa$-(BEDT-TTF)$_2$Cu(NCS)$_2$ ~have been measured as a function of pressure, and compared with equivalent measurements of the undeuterated salt. We find that the superconducting transition temperature is much more dramatically suppressed by increasing pressure in the deuterated salt. It is suggested that this is linked to pressure-induced changes in the Fermi-surface topology, which occur more rapidly in the deuterated salt than in the undeuterated salt as the pressure is raised. Our data suggest that the negative isotope effect observed on deuteration is due to small differences in Fermi-surface topology caused by the isotopic substitution.
Ardavan Arzhang
Bakker David
Biggs Tim
Goddard Paul
Hayes William
No associations
LandOfFree
Comparison of the normal state properties of $κ$-(BEDT-TTF)$_2$Cu(NCS)$_2$ and its deuterated analogue in high magnetic fields and under high hydrostatic pressures does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Comparison of the normal state properties of $κ$-(BEDT-TTF)$_2$Cu(NCS)$_2$ and its deuterated analogue in high magnetic fields and under high hydrostatic pressures, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Comparison of the normal state properties of $κ$-(BEDT-TTF)$_2$Cu(NCS)$_2$ and its deuterated analogue in high magnetic fields and under high hydrostatic pressures will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-494660