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

Akira Morimoto | Zendy; Y. Maeda | Zendy; Toshiharu Minamikawa | Zendy; Yasuto Yonezawa | Zendy; Tatsuo Shimizu | Zendy

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

Author(s) -

Akira Morimoto,

Y. Maeda,

Toshiharu Minamikawa,

Yasuto Yonezawa,

Tatsuo Shimizu

Publication year - 1999

Publication title -

applied physics a

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.485

H-Index - 149

eISSN - 1432-0630

pISSN - 0947-8396

DOI - 10.1007/s003390051510

Subject(s) - gadolinium gallium garnet , yttrium iron garnet , materials science , ferrimagnetism , laser linewidth , epitaxy , fluence , laser ablation , laser , substrate (aquarium) , yttrium , thin film , magnetization , optics , optoelectronics , analytical chemistry (journal) , composite material , nanotechnology , metallurgy , chemistry , oceanography , physics , layer (electronics) , quantum mechanics , chromatography , magnetic field , geology , oxide

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. © Springer-Verlag 1999

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