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首页> 外文期刊>ACS applied materials & interfaces >Growth Dynamics of Barium Titanate Thin Films on Polycrystalline Ni Foils Using Polymer-Assisted Deposition Technique
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Growth Dynamics of Barium Titanate Thin Films on Polycrystalline Ni Foils Using Polymer-Assisted Deposition Technique

机译：聚合物辅助沉积技术在多晶镍箔上钛酸钡薄膜的生长动力学

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摘要

Polymer-assisted deposition (PAD) technique was developed to fabricate ferroelectric BaTiO3 (BTO) thin films directly on polycrystalline nickel foils. The growth dynamics was systematically studied to optimize the single-phase BTO films with good dielectric properties. It is critical to pretreat nickel foils with hydrogen peroxide (H2O2) solution to form thin nickel oxide layers on the surfaces for the growth of BTO films. Both the concentration of H2O2 solution and the pretreated time were found to strongly affect the dielectric constant of BTO films, which may be associated with the oxygen diffusion from nickel oxide buffer layers to BTO layers during annealing. The BTO thin films with optimized growth conditions have good crystal structure and electrical properties, suggesting that the as-grown BTO films by PAD technique can be utilized for new devices development and energy storage applications.
机译：开发了聚合物辅助沉积（PAD）技术以直接在多晶镍箔上制造铁电BaTiO3（BTO）薄膜。系统地研究了生长动力学，以优化具有良好介电性能的单相BTO膜。至关重要的是用过氧化氢（H2O2）溶液预处理镍箔，以在BTO膜生长的表面上形成氧化镍薄层。发现过氧化氢溶液的浓度和预处理时间都强烈影响BTO膜的介电常数，这可能与退火过程中氧从氧化镍缓冲层扩散到BTO层有关。具有最佳生长条件的BTO薄膜具有良好的晶体结构和电性能，这表明通过PAD技术生长的BTO薄膜可用于新器件开发和能量存储应用。

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