Preparation of the oxypnictides and studies on their superconductivity

Physics – Condensed Matter – Superconductivity

Scientific paper

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

2 pages, 4 fiures, submitted to JPSJ supplement, corrected typos

Scientific paper

LaFe1-yCoyAsO1-xFx (x=0.11) with various y values were prepared and their electrical resistivities, superconducting diamagnetisms and Hall coefficients have been measured. 75As- and 135La-NMR studies have also been carried out In spite of the successful Co-doping, we have not found any meaningful correlation of Tc with y, which indicates that the Tc-suppression by Co-doping is considered not to be so significant as expected for superconductors with nodes. Even for superconductors without nodes, it may not be easy to expect this small effect on Tc, if there are two different (disconnected) Fermi surfaces whose order parameters have opposite signs. The data of the NMR Knight shift indicate that the Cooper pairs are in the singlet state and the spin susceptibility is almost fully suppressed at low temperature.

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for scientists and scientific papers. Rate them and share your experience with other people.

Rating

Preparation of the oxypnictides and studies on their superconductivity 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 Preparation of the oxypnictides and studies on their superconductivity, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preparation of the oxypnictides and studies on their superconductivity will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFWR-SCP-O-219643

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.