Anisotropic spin freezing in lightly-doped La $_{2-x}$ SrCuO

Matsuda, Masaaki; Fujita, Masaki*; Takeda, Masayasu ; Kakurai, Kazuhisa; Yamada, Kazuyoshi*

We performed polarized neutron scattering experiments in lightly-doped La $_{1.982}$ Sr $_{0.018}$ CuO, which shows both Nel ordering and spin-glass state at low temperatures. Three-dimensional neutron polarization analysis was performed on diffuse magnetic peaks in the spin-glass phase. From the analysis, we concluded that the ratio of the spin components along the , and axes is 0.8, 1.0 and 0.15, respectively, indicating that the low energy spin fluctuations (1.7 meV) have the XY anisotropy.

Language	:	English
Journal	:	Physica C
Volume	:	470
Number	:	Suppl.1
Pages	:	p.S82 - S83
Publication Year/Month	:	2010/12
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Paper URL	:	https://doi.org/10.1016/j.physc.2009.11.009
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Keywords	:	no keyword
Research Facility	:	JRR-3M(研究炉3)
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Registration No. : AA20090682
JAEA Abstracts No. : 39000375
Paper Submission No. : 8611

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Anisotropic spin freezing in lightly-doped LaSrCuO

Anisotropic spin freezing in lightly-doped La $_{2-x}$ SrCuO