Superconductivity for CaC{sub 6} to 32 GPa hydrostatic pressure.
The dependence of the superconducting transition temperature T{sub c} of CaC{sub 6} has been determined as a function of hydrostatic pressure in both helium-loaded gas and diamond-anvil cells to 0.6 GPa and 32 GPa, respectively. Following an initial increase at the rate +0.39(1) K/GPa, T{sub c} drops abruptly from 15 to 4 K at {approx}10 GPa. Between 18 and 32 GPa, no superconducting transition is observed above 2 K.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC); National Science Foundation (NSF)
- DOE Contract Number:
- DE-AC02-06CH11357
- OSTI ID:
- 1000666
- Report Number(s):
- ANL/MSD/JA-68540; TRN: US201101%%449
- Journal Information:
- Phys. Rev. B, Vol. 82, Issue Oct. 4, 2010
- Country of Publication:
- United States
- Language:
- ENGLISH
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