Effect of Zr-doping on the structure and magnetic properties of YMnO3 ceramics

被引:3
作者
Wan, Feng [1 ,2 ]
Bai, Xiaojun [2 ,3 ]
Wang, Yaocen [2 ,3 ]
Hao, Ziyan [2 ,3 ]
Gao, Lei [2 ,4 ]
Li, Jinlin [5 ,6 ]
Perov, Nikolai S. [7 ]
Cao, Chongde [2 ,3 ]
机构
[1] Xianyang Normal Univ, Coll Phys & Elect Engn, Xianyang 712000, Peoples R China
[2] Northwestern Polytech Univ, Sch Phys Sci & Technol, Xian 710072, Peoples R China
[3] Northwestern Polytech Univ Shenzhen, Res & Dev Inst, Shenzhen 518057, Peoples R China
[4] Baotou Res Inst Rare Earth, Baotou 014030, Peoples R China
[5] Xian Univ Technol, Sch Mat Sci & Engn, Xian 710048, Peoples R China
[6] Guangdong Acad Sci, Inst New Mat, Guangzhou 510650, Peoples R China
[7] Lomonosov Moscow State Univ, Fac Phys, Moscow 119991, Russia
基金
中国国家自然科学基金;
关键词
ELECTRICAL-PROPERTIES; DOPED YMNO3+DELTA; PURE; SUBSTITUTION;
D O I
10.1007/s10854-023-10259-3
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Effect of zirconium substitution on the structure and magnetic properties of YMnO3 ceramics were widely studied and discussed in this work. The crystal structure of Y1 - xZrxMnO3 (x = 0.00, 0.05, 0.10) is hexagonal, and the lattice parameters reduce with the increase of doping amount. The average of grain size decreases from 0.403 mu m to 0.356 mu m as the Zr addition rises through SEM analysis. The magnetization of Y1 - xZrxMnO3 increases as Zr doping concentration increased, and the spin glass state appears in the sample with x = 0.1 The magnetization evolution should be attributed to the Mn4+ ions appeared when Zr was introduced to the Y sites of YMnO3. The increased Mn4+ ion which is related to the interstitial oxygen anions led to the reduced effective magnetic moment. The Zr substitution may also have an effect on the magnetic frustration factor.
引用
收藏
页数:11
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