Synthesis of Multiferroic Pb(Zr&lt;SUB&gt;0.52&lt;/SUB&gt;Ti&lt;SUB&gt;0.48&lt;/SUB&gt;)O&lt;SUB&gt;3&lt;/SUB&gt;–CoFe&lt;SUB&gt;2&lt;/SUB&gt;O&lt;SUB&gt;4&lt;/SUB&gt; Core–Shell Nanofibers by Coaxial Electrospinning

Xie, Ying; Ou, Yun; Ma, Feiyue; Yang, Qian; Tan, Xiaolan; Xie, Shuhong

doi:10.1166/nnl.2013.1592

Cited by 15 publications

(4 citation statements)

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“…Several methods exist to fabricate 1-D magnetoelectrics including sol-gel electrospinning 14–18 , hydrothermal synthesis 19 , and various chemical and physical vapor deposition processes 20 . We opted for sol-gel electrospinning as it has been previously shown to be capable of producing magnetoelectrics with a wide range of compositions and various connectivities including fibers with Janus 16–18 , core shell 15,21 , and randomly dispersed morphologies 14 . Sol−gel electrospinning was also chosen due to its scalability and it’s relatively low cost.…”

Section: Introductionmentioning

confidence: 99%

Magnetic field sensors using arrays of electrospun magnetoelectric Janus nanowires

et al. 2018

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The fabrication and characterization of the first magnetoelectric sensors utilizing arrays of Janus magnetoelectric composite nanowires composed of barium titanate and cobalt ferrite are presented. By utilizing magnetoelectric nanowires suspended across electrodes above the substrate, substrate clamping is reduced when compared to layered thin-film architectures; this results in enhanced magnetoelectric coupling. Janus magnetoelectric nanowires are fabricated by sol–gel electrospinning, and their length is controlled through the electrospinning and calcination conditions. Using a directed nanomanufacturing approach, the nanowires are then assembled onto pre-patterned metal electrodes on a silicon substrate using dielectrophoresis. Using this process, functional magnetic field sensors are formed by connecting many nanowires in parallel. The observed magnetic field sensitivity from the parallel array of nanowires is 0.514 ± .027 mV Oe −1 at 1 kHz, which translates to a magnetoelectric coefficient of 514 ± 27 mV cm −1 Oe −1 .

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Section: Introductionmentioning

confidence: 99%

Magnetic field sensors using arrays of electrospun magnetoelectric Janus nanowires

et al. 2018

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“…The bias field may be caused by the formed defect dipole and unsymmetrical stress, which could generate a built‐in electrical field. [ 60,61 ] It is noted that Na 0.5 Bi 2.5 Nb 2 O 9 :Er,Pr ceramics show lowest built‐in and coercive electrical field. This result demonstrates that the Na + and Bi 3+ content influence the local piezoelectric/ferroelectric performances of the ceramics.…”

Section: Resultsmentioning

confidence: 99%

The Enhancement of Photochromism and Luminescence Modulation Properties of Ferroelectric Ceramics via Chemical and Physical Strategies

Gong

et al. 2022

Laser & Photonics Reviews

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Photochromic (PC) materials can be widely applied in light-driven devices such as optical antifake labels, optical switches, information storage. Herein, Er 3+ and Pr 3+ co-doped Na 0.5+x Bi 2.5+x Nb 2 O 9 (x = −0.02, 0, 0.02) ferroelectric ceramics with excellent PC and luminescence modulation properties have been successfully prepared. Both chemical and physical strategies, namely excess Na + and Bi 3+ content during weighing of raw materials and an electric field poling, have been developed to enhance the PC and luminescence modulation. The largest reflectance difference 𝚫Ref between fresh and irradiated ceramics reaches a high value of 36% at x = 0.02, which is much higher than the usually obtained value in inorganic oxide ferroelectrics. Additionally, this value increases to 39% after an electric field poling. Accordingly, the up-conversion luminescence modulation 𝚫R t reaches a high value of 91.6%. The mechanisms of enhanced PC reaction and luminescence modulation via an electrical poling are discussed. Furthermore, a fast response time of around 1 s for PC reaction is achieved in this material. Utilizing this advantage, a hand-rewritable display using the prepared ceramics has been achieved besides the applications in anti-counterfeiting.

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“…Meanwhile, composites made of CoFe2O4-Pb(Zr0.52Ti0.48)O3 (CFO-PZT) are very appealing, as PZT with composition near the morphotropic phase boundary (MPB) exhibits excellent ferroelectric and piezoelectric properties, whereas CFO displays large magnetocrystalline anisotropy, high coercivity, and moderate saturation magnetization 1 . Most of the studies devoted to PZT/CFO are based on electrospinning 28,29,30 . Here we propose to built vertically oriented arrays of CFO-PZT NCs using a threestep process: i) sol-gel impregnation of AAO templates and crystallization of the PZT shell on the pore walls, thus forming PZT nanotubes (NTs) ii) CoFe2 (CF) metallic alloy electrodeposition within the PZT-coated AAO templates and iii) in-situ oxidation of the CF to obtain the desired CFO spinel cores.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of dense arrays of multiferroic CoFe₂O₄–PbZr_0.52Ti_0.48O₃ core/shell nanocables

et al. 2016

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Synthesis of Multiferroic Pb(Zr<SUB>0.52</SUB>Ti<SUB>0.48</SUB>)O<SUB>3</SUB>–CoFe<SUB>2</SUB>O<SUB>4</SUB> Core–Shell Nanofibers by Coaxial Electrospinning

Cited by 15 publications

References 0 publications

Magnetic field sensors using arrays of electrospun magnetoelectric Janus nanowires

Magnetic field sensors using arrays of electrospun magnetoelectric Janus nanowires

The Enhancement of Photochromism and Luminescence Modulation Properties of Ferroelectric Ceramics via Chemical and Physical Strategies

Synthesis of dense arrays of multiferroic CoFe₂O₄–PbZr_0.52Ti_0.48O₃ core/shell nanocables

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Synthesis of Multiferroic Pb(Zr<SUB>0.52</SUB>Ti<SUB>0.48</SUB>)O<SUB>3</SUB>–CoFe<SUB>2</SUB>O<SUB>4</SUB> Core–Shell Nanofibers by Coaxial Electrospinning

Cited by 15 publications

References 0 publications

Magnetic field sensors using arrays of electrospun magnetoelectric Janus nanowires

Magnetic field sensors using arrays of electrospun magnetoelectric Janus nanowires

The Enhancement of Photochromism and Luminescence Modulation Properties of Ferroelectric Ceramics via Chemical and Physical Strategies

Synthesis of dense arrays of multiferroic CoFe2O4–PbZr0.52Ti0.48O3 core/shell nanocables

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Synthesis of dense arrays of multiferroic CoFe₂O₄–PbZr_0.52Ti_0.48O₃ core/shell nanocables