Abstract
Thin films of the intermetallic superconducting compound YNi 2B 2C have been prepared by pulsed laser deposition. The YNi 2B 2C phase was formed during the deposition process at a substrate temperature of 860°C (in situ) or after deposition by post-annealing. Polycrystalline, c-axis oriented films were obtained on MgO and Al 2O 3 substrates. Post-annealed and in situ grown YNi 2B 2C films showed inductively measured transition temperatures up to 15 K with typical transition widths of ≈ 0.5 K. The electrical and magnetic properties of the films like π( T), B c2( T), J c( T) and M( H) at 5 K were measured. The B c2( T) dependence showed a linear behaviour and the low temperature critical current density J c(5 K) was 8 × 10 5 A/cm 2.
Published Version
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