Publications by Shilei Zhang


Ultrahigh Anomalous Hall Sensitivity in Co/Pt Multilayers by Interfacial Modification

Applied Physics Express The Japan Society of Applied Physics 103007 (2013)

JY Zhang, G Yang, SG Wang, S Zhang, P Zhang, XZ Cao, SL Jiang, CJ Zhao, Y Liu, HC Wang, GH Yu

A large enhancement of anomalous Hall sensitivity (Sv) by metal/oxide interfacial modification is obtained in a MgO/[Co/Pt]3/MgO multilayered structure. The values of Sv are increased to 8363 V/A·T by CoO insertion and 2261 V/A·T by Pt insertion, while Sv is approximately 1000 V/A·T in normal Hall semiconductor sensors. Microstructural analysis shows that the crystal orientation of [Co/Pt]3 multilayers is improved, and the oxygen concentration is largely changed by introducing an ultrathin CoO layer at metal/oxide interfaces, leading to a large increment of Sv.


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