Synthesis and search for superconductivity in LiBC

Details Synthesis and search for superconductivity in LiBC Synthesis and search for superconductivity in LiBC

2002-07-18

arxiv.org/abs/cond-mat/0207448v1

Physics

Condensed Matter

Superconductivity

7 pages, 6 figures 1 table

Scientific paper

10.1016/S0038-1098(02)00474-X

Following the recent theoretical prediction of superconductivity in hole doped LiBC by Rosner et al [1], we have attempted to synthesise Li deficient LixBC (x = 1, 0.8, 0.6 and 0.4) and look for superconductivity in this system. Our synthesis procedure, following the recipe for MgB2, involves reaction of elemental components in a Ta crucible at 900o C under 50 bar of argon pressure. X-ray diffraction measurements indicate the formation of P63/mmc structure up to x=0.6. However, no diamagnetic signal or zero resistance, corresponding to the superconducting transition, was observed in the temperature range of 300 to 4 K. This is possibly related to the presence of disorder in the B-C stacking; evidence for which is suggested from a study of the vibrational modes of LixBC through infrared spectroscopy.

Affiliated with

Also associated with

No associations

Rating

Synthesis and search for superconductivity in LiBC 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 Synthesis and search for superconductivity in LiBC, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Synthesis and search for superconductivity in LiBC will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-209242