MgB 2 thin films were deposited, at low temperature substrates, in situ, on a polished c-cut sapphire substrates, with the aluminium nitride (AlN) buffer layers, using the multiple-target sputtering system. The magnetoresistivities were measured using dc-4 terminal method in applied magnetic field u
Crystallinity and superconductivity of as-grown MgB2 thin films with AlN buffer layers
โ Scribed by K. Tsujimoto; H. Shimakage; Z. Wang; N. Kaya
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 210 KB
- Volume
- 426-431
- Category
- Article
- ISSN
- 0921-4534
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As-grown superconducting MgB 2 thin films were prepared by very simple RF sputtering method using a single target without post-annealing process. A two-component target comprising of many small chunks of B on a Mg disk was used. The films were deposited onto polished single crystal sapphire (R-plane
The relationship between the composition and the superconducting properties of Mg x B 2 films fabricated by molecular beam epixay (MBE) were investigated. The Mg x B 2 films-with a composition gradient of Mg and B-were formed on c-plane Al 2 O 3 (0 0 0 1) substrates by controlling the in-plane distr