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Magnetism of thin chromium films studied with low-energy muon spin rotation

机译:低能μ自旋旋转研究铬薄膜的磁性

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Low-energy muon spin rotation (LE-mu(+)SR) measurements were performed on 3.4 and 9.1 nm epitaxial Cr(001) films buried by non-magnetic boundary layers to study the collapse of the spin-density wave (SDW) of bulk Cr, which is expected when decreasing the thickness of the film below the modulation period of the SDW (approximate to 6 nm). Magnetic phases of Cr are identified by the fast relaxation of the muon spin polarization. While a reduced Neel temperature of 285 It with respect to the bulk value is found for the 9.1 nm Cr layer, the 3.4 nm film remains in a magnetic phase over the investigated temperature range of 20-320 K. (C) 2000 Elsevier Science B.V. All rights reserved. [References: 16]
机译:对非磁性边界层掩埋的3.4和9.1 nm外延Cr(001)膜进行了低能muon自旋旋转(LE-mu(+)SR)测量,以研究自旋密度波(SDW)的塌陷体铬,当在SDW的调制周期(约6 nm)以下减小膜厚度时可以预期。 Cr的磁相通过μ自旋极化的快速弛豫来识别。在9.1 nm Cr层中发现相对于整体值降低的285 Neel温度,而3.4 nm的膜在研究的20-320 K的温度范围内仍保持磁性相。(C)2000 Elsevier Science BV版权所有。 [参考:16]

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