User: Guest  Login
Document type:
Zeitschriftenaufsatz 
Author(s):
Yelland, E. A.; Hayden, S. M.; Yates, S. J. C.; Pfleiderer, C.; Uhlarz, M.; Vollmer, R.; v. L̈ohneysen, H.; Bernhoeft, N. R.; Smith, R. P.; Saxena, S. S.; Kimura, N. 
Title:
Superconductivity Induced by Spark Erosion in $\mathrm{Zr}{\mathrm{Zn}}_{2}$ 
Abstract:
We show that the superconductivity observed recently in the weak itinerant ferromagnet ZrZn2 [C. Pfleiderer et al., Nature (London) 412, 58 (2001)] is due to remnants of a superconducting layer induced by spark erosion. Results of resistivity, susceptibility, specific heat, and surface analysis measurements on high-quality ZrZn2 crystals show that cutting by spark erosion leaves a superconducting surface layer. The resistive superconducting transition is destroyed by chemically etching a layer o...    »
 
Journal title:
Physical Review B 
Year:
2005 
Journal volume:
72 
Month:
dec 
Journal issue:
21 
Pages contribution:
214523