Facile Synthesis of Nd<sub>2</sub>Fe<sub>14</sub>B Hard Magnetic Particles with Microwave-Assisted Hydrothermal Method

The synthesis of Nd-Fe-B magnetic powders via chemical techniques presents significant promise, but poses challenges due to their inherent chemical instability. In this investigation, Nd-Fe-B hard magnetic particles were synthesized utilizing an eco-friendly and simple microwave-assisted hydrotherma...

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Main Authors: Ling Wang, Xiaofen Xu
Format: Article
Language:English
Published: MDPI AG 2023-12-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/28/23/7918
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author Ling Wang
Xiaofen Xu
author_facet Ling Wang
Xiaofen Xu
author_sort Ling Wang
collection DOAJ
description The synthesis of Nd-Fe-B magnetic powders via chemical techniques presents significant promise, but poses challenges due to their inherent chemical instability. In this investigation, Nd-Fe-B hard magnetic particles were synthesized utilizing an eco-friendly and simple microwave-assisted hydrothermal synthetic method. The technique involves the synthesis of the Nd-Fe-B oxide precursor using the microwave-assisted hydrothermal method, followed by reduction–diffusion using CaH<sub>2</sub>. The microwave-assisted hydrothermal technique presents a viable approach for preparing Nd-Fe-B precursor particles, offering advantages such as time and energy efficiency and environmental sustainability. The synthesized Nd-Fe-B particles demonstrated a coercivity of up to 2.3 kOe. These magnetic particles hold significant potential for use in high-performance permanent magnets, and can effectively contribute to developing high-energy density exchange-coupled nanocomposite magnets. This study also offers valuable insights into the design and synthesis of additional magnetic materials based on rare earth elements.
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spelling doaj.art-6a8f8320d88e4d2f90896aef6cd6cc6a2023-12-08T15:22:45ZengMDPI AGMolecules1420-30492023-12-012823791810.3390/molecules28237918Facile Synthesis of Nd<sub>2</sub>Fe<sub>14</sub>B Hard Magnetic Particles with Microwave-Assisted Hydrothermal MethodLing Wang0Xiaofen Xu1Department of Chemistry and Chemical Engineering, Lyuliang University, Lvliang 033000, ChinaDepartment of Chemistry and Chemical Engineering, Lyuliang University, Lvliang 033000, ChinaThe synthesis of Nd-Fe-B magnetic powders via chemical techniques presents significant promise, but poses challenges due to their inherent chemical instability. In this investigation, Nd-Fe-B hard magnetic particles were synthesized utilizing an eco-friendly and simple microwave-assisted hydrothermal synthetic method. The technique involves the synthesis of the Nd-Fe-B oxide precursor using the microwave-assisted hydrothermal method, followed by reduction–diffusion using CaH<sub>2</sub>. The microwave-assisted hydrothermal technique presents a viable approach for preparing Nd-Fe-B precursor particles, offering advantages such as time and energy efficiency and environmental sustainability. The synthesized Nd-Fe-B particles demonstrated a coercivity of up to 2.3 kOe. These magnetic particles hold significant potential for use in high-performance permanent magnets, and can effectively contribute to developing high-energy density exchange-coupled nanocomposite magnets. This study also offers valuable insights into the design and synthesis of additional magnetic materials based on rare earth elements.https://www.mdpi.com/1420-3049/28/23/7918microwave-assisted hydrothermal methodNd<sub>2</sub>Fe<sub>14</sub>Bcoercivity
spellingShingle Ling Wang
Xiaofen Xu
Facile Synthesis of Nd<sub>2</sub>Fe<sub>14</sub>B Hard Magnetic Particles with Microwave-Assisted Hydrothermal Method
Molecules
microwave-assisted hydrothermal method
Nd<sub>2</sub>Fe<sub>14</sub>B
coercivity
title Facile Synthesis of Nd<sub>2</sub>Fe<sub>14</sub>B Hard Magnetic Particles with Microwave-Assisted Hydrothermal Method
title_full Facile Synthesis of Nd<sub>2</sub>Fe<sub>14</sub>B Hard Magnetic Particles with Microwave-Assisted Hydrothermal Method
title_fullStr Facile Synthesis of Nd<sub>2</sub>Fe<sub>14</sub>B Hard Magnetic Particles with Microwave-Assisted Hydrothermal Method
title_full_unstemmed Facile Synthesis of Nd<sub>2</sub>Fe<sub>14</sub>B Hard Magnetic Particles with Microwave-Assisted Hydrothermal Method
title_short Facile Synthesis of Nd<sub>2</sub>Fe<sub>14</sub>B Hard Magnetic Particles with Microwave-Assisted Hydrothermal Method
title_sort facile synthesis of nd sub 2 sub fe sub 14 sub b hard magnetic particles with microwave assisted hydrothermal method
topic microwave-assisted hydrothermal method
Nd<sub>2</sub>Fe<sub>14</sub>B
coercivity
url https://www.mdpi.com/1420-3049/28/23/7918
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AT xiaofenxu facilesynthesisofndsub2subfesub14subbhardmagneticparticleswithmicrowaveassistedhydrothermalmethod