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Pulsed laser ablation deposition of yttrium iron garnet and cerium-substituted YIG films
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UNSPECIFIED. (2000) Pulsed laser ablation deposition of yttrium iron garnet and cerium-substituted YIG films. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 220 (2-3). pp. 183-194. ISSN 0304-8853
Full text not available from this repository.Abstract
Yttrium iron garnet (YIG) thin films were grown on gadolinium gallium garnet substrates using pulsed laser ablation deposition (PLAD) with a XeCl excimer laser. Films were grown up to over 2 mu m thick, however cracking proved to be a problem for films over 1 mu m thick. The lattice parameter(s) of the films and the substrates were measured and indicated that the film/substrate structure was bending to accommodate strain due to the lattice mismatch. The films had saturation magnetisation values close to that of bulk YIG and were isotropic in the film plane. The magnetisation data also indicate stress-induced uniaxial isotropy. The ablation conditions were varied to produce uncracked films with low droplet densities. YIG melts incongruently during the laser ablation process and cone-like structures form on the ablation target lowering the ablation rates. Cerium-substituted YIG alms were also grown in both oxygen and argon atmospheres, substituting cerium into YIG increases the lattice parameter and hence reduces the strain. The Ce-YIG film grown in argon was greenish indicating that cerium was in the desired oxidation state. (C) 2000 Elsevier Science B.V. All rights reserved.
| Item Type: | Journal Article | ||||
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| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) Q Science > QC Physics |
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| Journal or Publication Title: | JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | ||||
| Publisher: | ELSEVIER SCIENCE BV | ||||
| ISSN: | 0304-8853 | ||||
| Official Date: | October 2000 | ||||
| Dates: |
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| Volume: | 220 | ||||
| Number: | 2-3 | ||||
| Number of Pages: | 12 | ||||
| Page Range: | pp. 183-194 | ||||
| Publication Status: | Published | ||||
| URI: | http://wrap.warwick.ac.uk/id/eprint/12886 |
Data sourced from Thomson Reuters' Web of Knowledge
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