Structure and magnetism of novel high-entropy rare-earth iron garnet ceramics

被引：23

作者：

Chen, Dongyang ^{[1
]}

Yang, Yujie ^{[1
]}

Chen, Congliang ^{[1
]}

Meng, Yuting ^{[1
]}

Zhang, Yingming ^{[1
]}

Zhang, Cong ^{[1
]}

机构：

[1] Anhui Univ, Engn Technol Res Ctr Magnet Mat, Sch Mat Sci & Engn, Hefei 230601, Anhui, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2023年 / 49卷 / 06期

关键词：

High entropy ceramics; Garnets; X-ray diffraction; Magnetism; YIG; ALLOY; ND;

D O I：

10.1016/j.ceramint.2022.11.161

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A new type of high-entropy rare-earth iron garnet ceramic structure (Gd0.2Dy0.2Er0.2Y0.2RE0.2)3Fe5O12 (RE = Sm, Eu, Tm, Yb) powders were synthesised using a solid-phase method. In addition, the microstructure and magnetic properties of the (Gd0.2Dy0.2Er0.2Y0.2RE0.2)3Fe5O12 (RE = Sm, Eu, Tm, Yb) powders were evaluated. The (Gd0.2Dy0.2Er0.2Y0.2RE0.2)3Fe5O12 (RE = Sm, Eu, Tm, Yb) ceramics presented garnet crystal structure (Ia-3d), and their lattice parameters ranged between 12.3921 and 12.3644 A. Moreover, the saturation magnetisation (Ms) and coercivity (Hc) of the ceramics ranged between 12.29 and 13.27 emu/g and between 18.46 and 19.87 Oe, respectively. The Ms and Hc values of the samples were comparable, indicating that magnetism of high-entropy rare-earth iron garnet ceramic can be fine-tuned by customising their composition. The magnetic properties of high-entropy rare-earth iron garnet ceramics have not yet been elucidated; however, previous studies have demonstrated that high-entropy rare-earth iron garnet ceramics present unique magnetism.

引用

页码：9862 / 9867

页数：6

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