Neutron scattering study of spinel LiCrMnO

Matsuda, Masaaki; Honda, Zentaro*; Katori, Hiroko*; Takagi, Hidenori*

LiCrMnO has the spinel structure, in which the Cr $^{3+}$ and Mn $^{4+}$ moments with =3/2 are randomly located at the corners of the tetrahedron. It shows a spin-glass behavior below 13 K suggested from the magnetic susceptibility experiments. Our neutron scattering study shows that short-range magnetic correlations with characteristic 0.6 and 1.6 $AA$^{-1}$$ develop at low temperatures. The correlation with 1.6 $AA$^{-1}$$ is explained by the antiferromagnetic fluctuations originating from the hexagonal spin clusters, which is proposed in ZnCrO. We plan to perform neutron scattering experiments in magnetic field in the near future.

Language	:	Japanese
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Meeting title	:	特定領域「100テスラ領域の強磁場スピン科学」第5回シンポジウム
Held date	:	2008/12
Location (city)	:	岡山
Location (country)	:	日本
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Keywords	:	no keyword
Research Facility	:	JRR-3M(研究炉3)
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Registration No. : BB20083398
JAEA Abstracts No. :
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