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Growth of SrRuO3 thin films on MgO substrates by pulsed laser ablation
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Singh, S. K., Lees, Martin R., Singh, R. K. and Palmer, Stuart B. (2002) Growth of SrRuO3 thin films on MgO substrates by pulsed laser ablation. Journal of Physics D - Applied Physics, 35 (18). pp. 2243-2246. doi:10.1088/0022-3727/35/18/302 ISSN 0022-3727.
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Official URL: http://10.1088/0022-3727/35/18/302
Abstract
SrRuO3 thin films have been grown on MgO substrates using pulsed laser ablation deposition. The orientation of the SrRuO3 films changes from the [001] or [110] direction normal to the substrate surface to become predominantly [100] as the thickness of the SrRuO3 increases from 50 to 360 nm. This leads to a change in the magnetic response of the SrRuO3 films and to a dramatic improvement in the superconducting properties of YBa2Cu3O7-delta films grown on top of the SrRuO3 layer. The domain structures and the surface morphology of SrRuO3 films grown on MgO chan-e as the thickness of the film increases. The 50 nm thick SrRuO3 film grown on an MgO substrate nucleates as rectangular islands, 0.5 to 1 mum in diameter. As the thickness increases to 185 rim, oriented grains similar to1 mum in size are observed. We have noted a different microstructure for the SrRuO3 thin films grown on SrTiO3 substrates. The 185 nm thick SrRuO3 film grown on a SrTiO3 substrate shows a step like growth pattern.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Journal or Publication Title: | Journal of Physics D - Applied Physics | ||||
| Publisher: | IOP Publishing Inc. | ||||
| ISSN: | 0022-3727 | ||||
| Official Date: | 21 September 2002 | ||||
| Dates: |
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| Volume: | 35 | ||||
| Number: | 18 | ||||
| Number of Pages: | 4 | ||||
| Page Range: | pp. 2243-2246 | ||||
| DOI: | 10.1088/0022-3727/35/18/302 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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