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DOI码：10.1063/1.4733343

发表刊物：Appl. Phys, Lett.

摘要：A bulk ring probe made of pure iron wire with diameter of 0.125 mm was prepared for spin-polarized scanning tunneling microscopy at room temperature in ultrahigh vacuum. The layerwise antiferromagnetic spin contrast of 2.8 atomic monolayers (ML) Mn/4.5 ML Co/Cu(001) observed with such a probe revealed a spin asymmetry of 14% and a signal-to-noise ratio of 1.8. Areas of reversed spin contrast on the same atomic layer of Mn were observed and attributed to the influence from underlying Co steps and islands. This demonstrates the simplicity of preparation and capability of such bulk Fe ring probes.

论文类型：期刊论文

文献类型：J

卷号：101

期号：1

页面范围：012404

是否译文：否

收录刊物：SCI

第一作者：Chii-Bin Wu

通讯作者：Wolfgang Kuch

合写作者：Jiaming Song