Inverse Iron Isotope Effect on the transition temperature of the (Ba,K)Fe2As2 superconductor

Details Inverse Iron Isotope Effect on the transition temperature of the (Ba,K)Fe2As2 superconductor Inverse Iron Isotope Effect on the transition temperature of the (Ba,K)Fe2As2 superconductor

2009-03-20

arxiv.org/abs/0903.3515v3

PHYSICAL REVIEW LETTERS (PRL) 103, 257003 (2009)

Physics

Condensed Matter

Superconductivity

12 pages, 6 figures

Scientific paper

10.1103/PhysRevLett.103.257003

We report that (Ba,K)Fe2As2 superconductor (a transition temperature, Tc = 38 K) shows inverse Iron isotope effect (-0.18) (the sample including the larger atomic weight of Fe depicts higher Tc). Measurements of both temperature dependent magnetization and resistivity reveal a clear inverse shift by systematic studies on Tc using three types of Fe-isotopes (Fe-54, natural Fe and Fe-57). This indicates the first evidence of the inverse isotope effect in high-Tc superconductors. This atomic mass dependence on Tc implies the exotic coupling mechanism.

Affiliated with

Also associated with

No associations

Rating

Inverse Iron Isotope Effect on the transition temperature of the (Ba,K)Fe2As2 superconductor 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 Inverse Iron Isotope Effect on the transition temperature of the (Ba,K)Fe2As2 superconductor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Inverse Iron Isotope Effect on the transition temperature of the (Ba,K)Fe2As2 superconductor will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-642097