Laser transfer processing for the integration of thin and thick ferroelectric films


Event Journal of Materials Science


Baomin Xu
Technical Publications
June 2nd 2009
Laser transfer processing (LTP) offers the potential to overcome the problems of integrating ferroelectric thin and thick film materials with polymers and other technologically useful substrate materials that cannot sustain the high process temperatures, 600-1,000 C, required for normal film deposition. The LTP technique involves the fabrication of a ceramic film on a high-temperature substrate material such as sapphire, and subsequent release by application of pulsed ultra-violet laser radiation. Here, the LTP technique is reviewed in the context of ferroelectric thin and thick films, and current developments are presented. Micro- and nanostructural features of the films before and after transfer to a second substrate are revealed using scanning and transmission electron microscopy. The consequences of laser-generated structural changes on ferroelectric properties are illustrated, and measures to mitigate the effects of an amorphous damage-layer are discussed.


James, C.; Chakraborty, T.; Brown, A.; Comyn, T.; Dorey, R.; Harrington, J.; Laister, A. J.; Miles, R. E.; Puchmark, C.; Xu, B.; Xiong, W.; Zhang, Q.; Milne, S. J. Laser transfer processing for the integration of thin and thick ferroelectric films. Journal of Materials Science. 2009; 44 (6): 5325-5331.

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