Fabrication and characterization of micropillar-type multiferroic composite thin films by non-aqueous sol-gel method using ferroelectric pillars
Fabrication and characterization of micropillar-type multiferroic composite thin films by non-aqueous sol-gel method using ferroelectric pillars
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DOI：
10.7567/1347-4065/ab4aa1
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发表时间：
2019-12
影响因子：
1.5
通讯作者：
R. Ito;M. Kobune;Masamitsu Yoshii;R. Ito;Y. Haruna;Taiki Obayashi;T. Migita;T. Kikuchi;K. Kanda;K. Maenaka
中科院分区：
文献类型：
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作者：
R. Ito;M. Kobune;Masamitsu Yoshii;R. Ito;Y. Haruna;Taiki Obayashi;T. Migita;T. Kikuchi;K. Kanda;K. Maenaka
通过非水溶胶-凝胶法在（Bi3.25Nd0.65Eu0.10）Ti 3 O 12（BNEuT）微柱膜上沉积CoFe 2 O 4（CFO）薄膜。用作铁电柱的微柱膜的节距尺寸为2-5 μm，并检查了5个和15个CFO沉积周期以获得高密度的CFO纳米颗粒。在间距为2-5 μm的BNEuT微柱膜上，通过5次沉积循环，所形成的CFO膜主要由立方反尖晶石结构的单相CFO组成。基于表面场发射扫描电子显微镜观察，沉积在四个BNEuT微柱膜上的所有CFO膜是高度致密的，并且具有优异的表面平坦度。基于结构、磁性和铁电特性，获得高密度CFO纳米颗粒的最佳间距尺寸为5 μm，最佳CFO沉积循环次数为5次。
CoFe2O4 (CFO) thin films were deposited on (Bi3.25Nd0.65Eu0.10)Ti3O12 (BNEuT) micropillar films by a non-aqueous sol-gel method. The pitch size of 2–5 μm in the micropillar films used as ferroelectric pillars, and 5 and 15 CFO deposition cycles were examined for high density of CFO nanoparticles. All the CFO films formed by five deposition cycles on BNEuT micropillar films with a pitch size of 2–5 μm were composed of mostly single-phase CFO with a cubic inverse-spinel structure. All the CFO films deposited on the four BNEuT micropillar films were highly dense and had excellent surface flatness, based on surface field-emission scanning electron microscope observations. Based on the structural, magnetic and ferroelectric characteristics, the optimal pitch size for achieving a high density of CFO nanoparticles was 5 μm, and the optimal number of CFO deposition cycles was five.