Effect of washing process on the magnetic properties of Nd-Fe-B nanoparticles prepared by reduction-diffusion method

Wang, Yanghua; Ahn, Ji Whan; Kim, D.; Ren, Wen; Liu, W.; Zhang, Z.D.; Choi, Chul-Jin

doi:10.1016/j.jmmm.2017.04.081

Cited by 29 publications

(8 citation statements)

References 24 publications

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“…The Nd-rich shell of Nd 2 Fe 14 B-based nanostructures was beneficial for the magnetic properties. 8 To study the phase evolution of the reduction-diffusion process, thermogravimetric analysis (TGA), isochronal differential scanning calorimetry (DSC), and XRD were employed. According to the TG-DSC curves shown in Fig.…”

Section: Resultsmentioning

confidence: 99%

“…5 Fortunately, Nd 2 Fe 14 B-based nanostructures prepared via the reduction-diffusion of oxide precursors have shown an enhanced coercivity. [6][7][8][9] Previously, Hou and co-workers pioneered the use of the high-temperature organic phase method to prepare Nd-Fe-B-O oxides as precursors and then converted them to exchange-coupled Nd 2 Fe 14 B/ α-Fe and Nd 2 Fe 14 B/Fe 3 B nanocomposites, which exhibited typical hysteresis behaviors. [10][11][12] Recently, reduced graphene oxides have been introduced to Nd-Fe-B-O oxide precursors to enhance the coercivity of Nd 2 Fe 14 B-based nanostructures.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

First-order-reversal-curve analysis of rare earth permanent magnet nanostructures: insight into the coercivity enhancement mechanism through regulating the Nd-rich phase

Zhu

Wang

et al. 2021

Inorg. Chem. Front.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

First-order-reversal-curve analysis of rare earth permanent magnet nanostructures: insight into the coercivity enhancement mechanism through regulating the Nd-rich phase

Zhu

Wang

et al. 2021

Inorg. Chem. Front.

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“…Compared to binary SmCo 5 , the chemical synthesis of ternary Nd 2 Fe 14 B nanostructures remains a great obstacle due to the precious control of the chemical composition and grain interface. Although there have been many investigations on the synthesis and reduction-diffusion of Nd–Fe–B–O oxides precursors, the coercivity of Nd 2 Fe 14 B-based MNSs is not large enough and the magnetic mechanism of such MNSs has not been fully understood. − …”

Section: Synthesis and Magnetism Exploration Of Mnssmentioning

confidence: 99%

Magnetic Nanostructures: Rational Design and Fabrication Strategies toward Diverse Applications

Wang

et al. 2022

Chem. Rev.

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In recent years, the continuous development of magnetic nanostructures (MNSs) has tremendously promoted both fundamental scientific research and technological applications. Different from the bulk magnet, the systematic engineering on MNSs has brought a great breakthrough in some emerging fields such as the construction of MNSs, the magnetism exploration of multidimensional MNSs, and their potential translational applications. In this review, we give a detailed description of the synthetic strategies of MNSs based on the fundamental features and application potential of MNSs and discuss the recent progress of MNSs in the fields of nanomedicines, advanced nanobiotechnology, catalysis, and electromagnetic wave adsorption (EMWA), aiming to provide guidance for fabrication strategies of MNSs toward diverse applications.

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“…It has been applied well in the preparation of some magnetic materials. [17][18][19][20][21][22][23] In this paper, Y 2 Co 17 was prepared using the reduction-diffusion method. The ball-milled powder was compounded with polyurethane (PU) to prepare Y 2 Co 17 /PU composite absorbing materials with different volume fractions.…”

Section: Introductionmentioning

confidence: 99%

Microwave absorption and bandwidth study of Y₂Co₁₇ rare earth soft magnetic alloy with easy-plane anisotropy

Li¹,

Zheng²,

Hu³

et al. 2023

Chinese Phys. B

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The easy-plane anisotropy of Y2Co17 rare earth soft magnetic alloy has high saturation magnetization, operating frequency, and good impedance matching. Therefore, it is expected to become a kind of high-performance microwave absorbing material. In this paper, Y2Co17 alloy was prepared by reduction-diffusion method, and its micro powder was prepared as polyurethane (PU) based composite absorbing materials (Y2Co17/PU composites). The microwave properties of composites with different volume fractions are calculated. The composites showed outstanding absorption characteristics in the range of 20-30 vol%, and the minimum reflection loss (RL) was less than -50 dB. When the volume fraction was 25%, the effective absorption bandwidth can cover the X-band at a thickness of 1.5 mm, and the Ku-band at a thickness of 1.08 mm. The absorption mechanism was analyzed by the interface reflection model. The RL absorption peak bandwidth mechanism was discussed by using the amplitude relation, and calculating the effective absorption bandwidth at different thicknesses. The effective absorption bandwidth values were in good agreement with the theoretical expectation.

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Effect of washing process on the magnetic properties of Nd-Fe-B nanoparticles prepared by reduction-diffusion method

Cited by 29 publications

References 24 publications

First-order-reversal-curve analysis of rare earth permanent magnet nanostructures: insight into the coercivity enhancement mechanism through regulating the Nd-rich phase

First-order-reversal-curve analysis of rare earth permanent magnet nanostructures: insight into the coercivity enhancement mechanism through regulating the Nd-rich phase

Magnetic Nanostructures: Rational Design and Fabrication Strategies toward Diverse Applications

Microwave absorption and bandwidth study of Y₂Co₁₇ rare earth soft magnetic alloy with easy-plane anisotropy

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Effect of washing process on the magnetic properties of Nd-Fe-B nanoparticles prepared by reduction-diffusion method

Cited by 29 publications

References 24 publications

First-order-reversal-curve analysis of rare earth permanent magnet nanostructures: insight into the coercivity enhancement mechanism through regulating the Nd-rich phase

First-order-reversal-curve analysis of rare earth permanent magnet nanostructures: insight into the coercivity enhancement mechanism through regulating the Nd-rich phase

Magnetic Nanostructures: Rational Design and Fabrication Strategies toward Diverse Applications

Microwave absorption and bandwidth study of Y2Co17 rare earth soft magnetic alloy with easy-plane anisotropy

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Microwave absorption and bandwidth study of Y₂Co₁₇ rare earth soft magnetic alloy with easy-plane anisotropy