Abstract
The electrical resistivity of single crystalline boro-carbide superconductor YNi 2B 2C has been measured down to 80 mK and under magnetic fields up to 17 T. The electrical resistivity shows quadratic temperature dependence with a moderate T 2 coefficient of 1.6 × 10 −9 Ω- cm K −2 . With applied fields above H C2 , a positive magnetoresistance, which is proportional to fields, has been observed. The resistance as a function of fields exhitits an oscillatory behavior with minuscule amplitude whose periodicity of 517 T for the first time in this compound. This periodicity is consistent with the α-branch observed by the de-Haas-van Alphen effect [1,2].
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