Enhanced ferro- and piezoelectric performances through interface control in BiFe0.99W0.01O3/BiFe0.95Mn0.05O3/BiFe0.99W0.01O3 thin film
Enhanced ferro- and piezoelectric performances through interface control in BiFe0.99W0.01O3/BiFe0.95Mn0.05O3/BiFe0.99W0.01O3 thin film
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通过 BiFe0.99W0.01O3/BiFe0.95Mn0.05O3/BiFe0.99W0.01O3 薄膜的界面控制增强铁和压电性能
DOI：
10.1063/1.4998162
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发表时间：
2017-08
影响因子：
4
通讯作者：
Guangda Hu
中科院分区：
文献类型：
--
作者：
Xiaomei Jiang;Jing Yan;Guangda Hu
By eliminating domain backswitching, the severe aging problem of BiFe0.95Mn0.05O3, as a volume.effect, was solved through an interface control method. A BiFe0.95Mn0.05O3 thin film sandwiched.by BiFe0.99W0.01O3 layers (BiFe0.99W0.01O3/BiFe0.95Mn0.05O3/BiFe0.99W0.01O3) was prepared on a.Pt(111)/Ti/SiO2/Si substrate using a metal organic decomposition method. BiFeO3, BiFe0.95.Mn0.05O3, BiFe0.99W0.01O3, (top)BiFe0.99W0.01O3/BiFe0.95Mn0.05O3, and BiFe0.95Mn0.05O3/BiFe0.99.W0.01O3(bottom) films were fabricated for comparison. All the films show well-saturated and rectangular hysteresis loops. Most importantly, the BiFe0.99W0.01O3/BiFe0.95Mn0.05O3/BiFe0.99W0.01O3 film.exhibits the largest piezoresponse (220 pm/V). This interface control method, by inhibiting the nucleation of domains with the opposite direction at the interfaces, opens up a promisingly feasible way to.solve the aging problem of ferroelectric films and to achieve desired ferroelectric and piezoelectric.properties.
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