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Durham University

Department of Physics

Staff profile

Publication details for Dr Aidan Hindmarch

Inyang, O., Bouchenoire, L., Nicholson, B., Tokaç, M., Rowan-Robinson, R. M., Kinane, C. J. & Hindmarch, A. T. (2019). Threshold interface magnetization required to induce magnetic proximity effect. Physical Review B 100(17): 174418.

Author(s) from Durham


Proximity-induced magnetization (PIM) has broad implications across interface-driven spintronics applications employing spin currents. We directly determine the scaling between PIM in Pt and the temperaturedependent interface magnetization in an adjacent ferromagnet (FM) using depth-resolved magnetometry. The
magnetization due to PIM does not follow the generally expected linear scaling with the FM interface
magnetization, as a function of temperature. Instead, it vanishes while the FM interface magnetization remains.
The effective magnetic susceptibilities of heavy-metal (HM) layers are shown to give rise to the previously
unexplained asymmetric PIM found in HM/FM/HM trilayers.