Pulsed laser deposition growth of heteroepitaxial YBa2Cu3O7/La0.67Ca0.33MnO3 superlattices on NdGaO3 and Sr0.7La0.3Al0.65Ta0.35O3 substrates

Crecimiento de YBa heteroepitaxial mediante deposición de láser pulsado2Cu3Oh7/La0.67California0.33MnO3superredes en NdGaO3y Sr.0.7La0.3Alabama0.65Ejército de reserva0.35Oh3sustratos

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URI: http://hdl.handle.net/10818/64196
Visitar enlace: https://journals.aps.org/prb/a ...
DOI: 10.1103/PhysRevB.85.054514
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Autor
Malik, V. K.; Marozau, I.; Das, S.; Doggett, B.
Data
2012-02-27
Resumo
Heteroepitaxial superlattices of [YBa2Cu3O7(𝑛)/La0.67Ca0.33MnO3(𝑚)]𝑥 (YBCO/LCMO), where 𝑛 and 𝑚 are the number of YBCO and LCMO monolayers and 𝑥 the number of bilayer repetitions, have been grown with pulsed laser deposition on NdGaO3 (110) and Sr0.7La0.3Al0.65Ta0.35O3 (001). These substrates are well lattice matched with YBCO and LCMO and, unlike the commonly used SrTiO3, they do not give rise to complex and uncontrolled strain effects at low temperature. The growth dynamics and the structure have been studied in situ with reflection high-energy electron diffraction and ex situ with scanning transmission electron microscopy, x-ray diffraction, and neutron reflectometry.
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Physical Review B-Condensed Matter and Materials Physics, 85(5)
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