| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Effects of Doping on the Magnetic Properties and Frustration of Hexagonal YMn0.9A0.1O3 (A=Al, Fe, and Cu) |
| XIAO Li-Xia1,2, JIN Zhao3, XIA Zheng-Cai1**, SHI Li-Ran3, HUANG Jun-Wei3, CHEN Bo-Rong3, SHANG Cui3, WEI Meng3, LONG Zhuo3 |
1Wuhan National High Magnetic Field Center, Huazhong University of Science and Technology, Wuhan 430074
2WenHua College, Wuhan 430074
3School of Physics, Huazhong University of Science and Technology, Wuhan 430074
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| Cite this article: |
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XIAO Li-Xia, JIN Zhao, XIA Zheng-Cai et al 2015 Chin. Phys. Lett. 32 017501 |
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Abstract The doping effects on the frustration and the magnetic properties in hexagonal compounds of YMn0.9A0.1O3 (A=Al, Fe and Cu) are investigated. Experimental results indicate that both the non-magnetic and magnetic ion dopants lead to the increase of magnetic moments and the decrease of the absolute value of Curie–Weiss temperature (|θCW|). Compared with pure YMnO3, the geometrical frustration of YMn0.9A0.1O3 is greatly suppressed and the magnetic coupling in that exhibits dopant-dependent. In addition, for the doped YMn0.9A0.1O3, the antiferromagnetic transition temperature (TN) is also suppressed slightly, which shows an abnormal dilution effect and it may be ascribed to the reduction of frustration due to the chemical substitution.
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Published: 23 December 2014
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| PACS: |
75.85.+t
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(Magnetoelectric effects, multiferroics)
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75.47.Lx
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(Magnetic oxides)
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75.60.Ej
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(Magnetization curves, hysteresis, Barkhausen and related effects)
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