Influence of substrate on structural and transport properties of LaNiO3 thin films prepared by pulsed laser deposition

Aip Advances Volume: 7 Issue: 2 Published: 2017

26 de fevereiro de 2017 LAbI UFSCar Artigo 0

influence-of-substrate-on-structural-and-transport-properties-of-lanio3-thin-films-prepared-by-pulsed-laser-deposition — Typical FE-SEM images of LNO thin films deposited on (a) STO substrate, (b) LAO substrate, and (c) SLAO substrate; (d) circular silver contacts with diameter of 0.5 mm used for electric measurements.

Writers: Cichetto, L; Sergeenkov, S; Diaz, JCCA; Longo, E; Araujo-Moreira, FM

Keywords: ferroelectric capacitors; electrical-properties; decomposition; electrode; ablation; fatigue; silicon; growth; afm

Abstract: We report the structural and transport properties of LaNiO3 thin films prepared by pulsed laser deposition technique. To understand the effects of film thickness, lattice mismatch and grain size on transport properties, various oriented substrates were used for deposition, including single-crystalline SrLaAlO4 (001), SrTiO3 (100) and LaAlO3 (100). To achieve a high quality LaNiO3 thin films, the vital parameters (such as laser fluence, substrate temperature, oxygen pressure, and deposition time) were optimized. The best quality films are found to be well textured samples with good crystalline properties.

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DOI: 10.1063/1.4971842

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O Laboratório Aberto de Interatividade para Disseminação do Conhecimento Científico e Tecnológico (LAbI), vinculado à Universidade Federal de São Carlos (UFSCar), é voltado à prática da divulgação científica pautada na interatividade; nas relações entre Ciência, Arte e Tecnologia.