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Microstructure and Transport Properties of Bi-2212 Prepared by CO2 Laser Line Scanning

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Abstract

A novel Laser Line Scanning method has been applied to process rectangular cross-section Bi-2212 monoliths containing 2.9 % Ag using a CO2 Laser. Although previous work has suggested the use of nIR lasers (≈0.8–1.1 μm) for melt-processing metal oxide superconductors, the results obtained here demonstrate that mid-IR radiation from a CO2 laser (10.6 μm) may be just as convenient for such a purpose while it enables processing large surface areas. The samples described here were processed at traverse rates ranging between 15 and 60 mm/h, exhibited a complex textured microstructure and yielded highest I c values of 71 A at 77 K.

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Acknowledgements

The authors acknowledge the European Commission LIFE Program (LIFE11/ENV/ES 560 “CERAMGLASS”), the Spanish MINECO and European Commission FEDER Program (Projects MAT2008-00429 and MAT2011-22719), Universidad de Zaragoza (Project UZ2011-TEC-03 and Servicio General de Apoyo a la Investigación-SAI), as well as DGA for Groups T87 (Laser Applications Lab) and T13 (Applied Superconductivity).

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Authors and Affiliations

  1. ICMA, CSIC-Universidad de Zaragoza, María de Luna, 3, 50018, Zaragoza, Spain

    V. Lennikov, L. A. Angurel, A. Sotelo & G. F. de la Fuente

  2. Department of Electronic and Computer Education, Faculty of Tarsus Technical Education, University of Mersin, Mersin, Turkey

    B. Özkurt

  3. Department of Physics, Faculty of Sciences and Letters, Çukurova University, 01330, Adana, Turkey

    B. Özçelik

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  1. V. Lennikov
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  2. B. Özkurt
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  3. L. A. Angurel
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  4. A. Sotelo
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  5. B. Özçelik
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  6. G. F. de la Fuente
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Correspondence to G. F. de la Fuente.

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Lennikov, V., Özkurt, B., Angurel, L.A. et al. Microstructure and Transport Properties of Bi-2212 Prepared by CO2 Laser Line Scanning. J Supercond Nov Magn 26, 947–952 (2013). https://doi.org/10.1007/s10948-012-1934-1

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  • DOI: https://doi.org/10.1007/s10948-012-1934-1

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