Fert Beijing Research Institute;
MIIT Key Laboratory of Spintronics;
School of Integrated Circuit Science and Engineering;
Beihang University;
Beijing 100191;
China;
Beihang–Goertek Joint Microelectronics Institute;
Qingdao Research Institute;
Beihang University;
Qingdao 266101;
China;
School of Physics;
State Key Laboratory of Crystal Materials;
Shandong University;
Jinan 250100;
China;
granular Co/Pt multilayers; perpendicular magnetic anisotropy; remanent moment-thickness product; magnetic recording;