Fig. 5: Degree of spin polarization as a function of temperature.

Degree of spin-polarization at T = 36 K, 300 K, and 350 K: for HOSG-QDs/4uc LBCO/LAO at a HDP, b UHB, and c Cu L₃’; for HOSG-QDs/8uc LBCO/LAO at d HDP, e UHB, and f Cu L₃’; and for HOSG-QDs/12uc LBCO/LAO at g HDP, h UHB, and i Cu L₃’.