Structural characterization of relaxor ferroelectric PbMg 1/3 Nb 2/3 O 3 -PbTiO 3 thin film heterostructures deposited by pulsed laser ablation

6533b834fe1ef96bd129de91

RESEARCH PRODUCT

Structural characterization of relaxor ferroelectric PbMg 1/3 Nb 2/3 O 3 -PbTiO 3 thin film heterostructures deposited by pulsed laser ablation

J. Levoska M. Tyunina A. Sternberg S. Leppävuori

subject

Materials science business.industry Scanning electron microscope Mineralogy Heterojunction General Chemistry Substrate (electronics)Dielectric Epitaxy Ferroelectricity Crystal Optoelectronics General Materials Science Thin film business

description

Highly oriented and epitaxial films of relaxor ferroelectric PbMg1/3Nb2/3O3-PbTiO3 (PMN-PT) with a composition (68/32) near the morphotropic phase boundary were deposited by pulsed laser ablation on La0.5Sr0.5CoO3 bottom electrodes, deposited on MgO (100) and LaAlO3 (100). The formation of crystalline phases, epitaxy, film–electrode–substrate orientation relationships and crystal perfection were studied by X-ray diffraction and scanning electron microscopy. The structural properties were found to depend on the deposition conditions and substrate. Correlation of both the dielectric and relaxor properties in the heterostructures and the structural properties of the PMN-PT films was observed.

year	journal	country	edition	language
2000-03-01	Applied Physics A: Materials Science & Processing

https://doi.org/10.1007/s003390050046

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