High-Field Magnetism of the S=5/2 Kagome-Lattice Antiferromagnet KFe3(OH)6(SO4)2 for the Magnetic Field in the Kagome-Plane

被引:2
作者
Fujita, T. [1 ]
Hagiwara, M. [1 ]
Yamaguchi, H. [2 ]
Kimura, S. [3 ]
Kashiwagi, T. [4 ,5 ]
Matan, K. [6 ]
Nocera, D. G. [7 ]
Lee, Y. S. [8 ]
Grohol, D. [9 ]
机构
[1] Osaka Univ, KYOKUGEN, Toyonaka, Osaka 5608531, Japan
[2] Osaka Prefecture Univ, Coll Integrated Arts & Sci, Sakai, Osaka 5998531, Japan
[3] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
[4] Univ Tsukuba, Inst Mat Sci, Tsukuba, Ibaraki 3058573, Japan
[5] Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058573, Japan
[6] Mahidol Univ, Dept Phys, Bangkok 10400, Thailand
[7] MIT, Dept Chem, Cambridge, MA 02139 USA
[8] MIT, Dept Phys, Cambridge, MA 02139 USA
[9] Dow Chem Co USA, Core R&D, Midland, MI 48674 USA
关键词
Kagome-lattice; Antiferromagnet; ESR; Magnetization; Frustration; SPIN; FRUSTRATION;
D O I
10.1007/s10909-012-0759-4
中图分类号
O59 [应用物理学];
学科分类号
摘要
We have performed electron spin resonance (ESR) and magnetization measurements on single crystals of K-Fe-jarosite along the a-axis (in the kagome-plane). We have calculated the resonance branches and the magnetization curve using a spin Hamiltonian including the interlayer exchange and the Dzyaloshinsky-Moriya (DM) interactions. By putting the same parameter values for the analyses along the c-axis (normal to the kagome plane), the calculated results show satisfactory agreement with the experimental ones. As a result, we have successfully explained all the experimental results with one set of the intra- and the inter-plane exchange and the DM interaction parameters.
引用
收藏
页码:242 / 247
页数:6
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