Improving the Electrical Properties of Zr-Doped Bi3.15Nd0.85Ti3O12 Thin Films by Engineering Polarization Rotation

Improving the Electrical Properties of Zr-Doped Bi3.15Nd0.85Ti3O12 Thin Films by Engineering Polarization Rotation
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通过工程偏振旋转改善 Zr-DopedBi3.15Nd0.85Ti3O12 薄膜的电性能

DOI:
10.1007/s11664-016-4508-3
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发表时间:
2016-04
影响因子:
2.1
通讯作者:
Tang Minghua
Tang Minghua
中科院分区:
工程技术4区
文献类型:
--
作者:
Yang Feng;Guo Yichen;Zong Zhihao;Hao Xuehong;Shi Yiwen;Tang Minghua

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采用化学溶液沉积法制备了Nd 3 +/Zr 4+共取代钛酸铋(BNTZx,x = 0,0.05,0.1,0.3,0.5)薄膜,并研究了薄膜的极化磁滞回线、漏电流和电容蝶形回线。结果表明,当Zr含量x = 0.1时,电容和极化强度都有较大的提高。BNTZ 0.1薄膜在3 V的外加电压下也表现出无疲劳、优异的漏电流特性(I ≤ 9.44 × 10−9 A)。制备了具有改善的电性能的高质量c轴取向的BNTZx = 0.1薄膜;这一发现支持了铁电钛酸铋中工程极化旋转的可行性(如Roy等人在理论上所建议的那样)。应用物理学快报。102:182901,2013)。
Nd3+/Zr4+-cosubstituted bismuth titanate (BNTZx, x = 0, 0.05, 0.1, 0.3, and 0.5) thin films have been fabricated by chemical solution deposition and their polarization hysteresis loops, leakage current, and capacitance butterfly loops investigated. Results show that, at Zr content of x = 0.1, both capacitance and remanent polarization can be greatly improved. The BNTZ0.1 film also exhibits fatigue-free, excellent leakage current characteristics (I ≈ 9.44 × 10−9 A) at applied voltage of 3 V. High-quality c-axis-oriented BNTZx = 0.1 films with improved electrical properties were fabricated; this finding supports the feasibility of engineering polarization rotation in ferroelectric bismuth titanate (as suggested theoretically by Roy et al. in Appl. Phys. Lett. 102:182901, 2013).
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