多铁Pb(Zr0.52Ti0.48) O3-CoFe2O4 亚努斯型纳米纤维及其纳米级磁电合
Qingfeng Zhu1, Ting Wang1, Junfeng Zhao1
1Guangdong Provincial Key Laboratory of Electronic Functional Materials and Devices, Huizhou University, Huizhou 516007, China.
研究人员使用硫酸-酸铁 (PZT-CFO) 开发了新的一维 (1D) 多铁亚努斯纳米纤维. 这些纳米纤维展示了增强的纳米级磁电 (ME) 合,为先进的1D多铁器件铺平了道路.
科学领域:
- 材料科学 材料科学 材料科学
- 凝聚物质物理学 凝聚物质物理学
- 纳米技术 纳米技术
背景情况:
- 与散装或薄膜材料相比,一维 (1D) 多铁纳米纤维显示出优越的磁电 (ME) 合.
- 在复杂的纳米纤维结构中描述纳米尺度ME合是至关重要的,但具有挑战性.
研究的目的:
- 为了合成和表征多铁Pb(Zr0.52Ti0.48) O3-CoFe2O4 (PZT-CFO) 雅努斯型纳米纤维.
- 在这些独特的斯结构中研究纳米级的局部磁电合.
主要方法:
- 电是用来制造PZT-CFO Janus纳米纤维的.
- 通过X射线衍射 (XRD) 证实了相纯度.
- 扫描电子显微镜 (SEM) 和凯尔文探针力显微镜 (KPFM) 验证了Janus形态.
- 在施加磁场下使用Piezoresponse力显微镜 (PFM) 来探测局部ME合.
主要成果:
- 确认了具有明显铁电和铁磁相的Janus结构.
- 观察到宏观的铁磁行为.
- 在8000 Oe磁场下测量了内在压力响应 (15点至19点) 的显著增强,证实了应变介导的ME合.
- 功能性ME相互作用得到了验证,尽管基质紧效应阻止了域切换.
结论:
- 合成的PZT-CFO Janus纳米纤维显示出功能性的纳米尺度ME合.
- 独特的Janus架构为ME效应提供了增强的界面交互.
- 这些纳米纤维显示出开发新型1D多铁器设备的潜力.
更多相关视频
06:49Radio Frequency Magnetron Sputtering of GdBa2Cu3O7âˆ'ÃŽ ´/ La0.67Sr0.33MnO3 Quasi-bilayer Films on SrTiO3 STO Single-crystal Substrates
Published on: April 12, 2019
10:40A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy
Published on: April 8, 2018
相关概念视频
Ferromagnetism
Magnetic Field Due To A Thin Straight Wire
Magnetic Field Due to Two Straight Wires
Potential Due to a Magnetized Object
The vector...
Magnetic Force Between Two Parallel Currents
The force exerted by the magnetic field due to the first conductor over a finite length of the second conductor is given as the product of the current in the second conductor and the vector product of the length vector along the current element and the field due to the first conductor. According to the...
Magnetic Damping
If, however, the bob is a slotted metal plate, the magnet produces a much smaller effect. When a slotted metal plate enters the field, an emf is induced by the change in flux; however, it is less effective because the slots limit the...
