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LPE-like growth of YIG ferrimagnetic thin films by pulsed laser ablation with molten droplets

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Abstract.

Yttrium iron garnet (YIG) films were grown by pulsed laser ablation (PLA) on (111) Gadolinium Gallium Garnet (GGG) substrates. The second harmonic of YAG laser (532 nm) with a high laser fluence was employed to produce YIG droplets efficiently. It was found that YIG films prepared at RT substrates have a large number of solidified droplets of various sizes. Highly oriented YIG crystals were grown on the (111) GGG substrate heated at 860 °C by PLA using a large number of molten droplets, suggesting an LPE-like growth. This YIG film shows a small ferrimagnetic resonance linewidth of 7.5 Oe. This value is quite small for films prepared by vapor-phase epitaxy techniques.

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Received: 21 July 1999 / Accepted: 11 September 1999 / Published online: 22 December 1999

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Morimoto, A., Maeda, Y., Minamikawa, T. et al. LPE-like growth of YIG ferrimagnetic thin films by pulsed laser ablation with molten droplets . Appl Phys A 69 (Suppl 1), S703–S706 (1999). https://doi.org/10.1007/s003390051510

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  • DOI: https://doi.org/10.1007/s003390051510

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