Physics – Condensed Matter – Superconductivity
Scientific paper
2004-12-20
Physical Review B vol. 71 (2005), 184512
Physics
Condensed Matter
Superconductivity
Submitted to Phys. Rev. B
Scientific paper
10.1103/PhysRevB.71.184512
The crystal structure of boron doped superconducting MgC_{1-x}{11}^B_{x}Ni_{3}, studied by powder neutron diffraction, is reported. The solubility limit of boron is determined to be approximately x=0.16. The unit cell expands from a = 3.81089(2) to 3.81966(2) Angstroms as x increases from x=0 to x=0.155. Boron ({11}^B) doping decreases Tc with increasing x: from 7.09K (x=0) to 6.44K (x=0.155).
Avdeev Maxim
Cava Robert. J.
Jorgensen J. D.
Klimczuk T.
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