Publikation: Reversible laser annealing on YBa2Cu3O7-delta thin films
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High-temperature YBn2Cu307-d thin films were patterned by a laser writing technique based on the temperature increase in the focus of a laser beam. The corresponding local increase of the oxygen diffusion velocity can be employed to write reversibly deoxygenated (semiconducting) and reoxygenated (superconducting)patterns, if nitrogen or oxygen, respectively, is chosen as ambient atmosphere. By using different scan velocities it is possible to decrease or increase Tc and the critical current. The influence of the ambient atmosphere, the patterning velocity and the laser power density on the resulting pattern was investigated by different methods. like light microscopy, scanning acoustic near-field microscopy (SNAM), and electrical four-point dc measurements. It could be proved that this planar palteming technique has fully reversible properties.
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EISENMENGER, Johannes, Rainer STEINKE, C. BRAND, S. KAMBACH, M. HOFFMANN, Clemens BECHINGER, Paul LEIDERER, 1997. Reversible laser annealing on YBa2Cu3O7-delta thin films. In: Laser Physics. 1997, 7(2), pp. 349-355. ISSN 1054-660X. eISSN 1555-6611BibTex
@article{Eisenmenger1997Rever-5139, year={1997}, title={Reversible laser annealing on YBa2Cu3O7-delta thin films}, number={2}, volume={7}, issn={1054-660X}, journal={Laser Physics}, pages={349--355}, author={Eisenmenger, Johannes and Steinke, Rainer and Brand, C. and Kambach, S. and Hoffmann, M. and Bechinger, Clemens and Leiderer, Paul} }
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