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Öğe Threshold interface magnetization required to induce magnetic proximity effect(Amer Physical Soc, 2019) Inyang, O.; Bouchenoire, Laurence; Nicholson, Bruce; Tokaç, Mustafa; Rowan-Robinson, Richard; Kinane, Christian; Hindmarch, A. T.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 temperature-dependent 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.
