First-principles calculations predict 2D electron and hole gases and a large cubic Rashba spin splitting in KTaO3/KZnF3 and KTaO3/KNiF3 oxyfluoride superlattices.
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Structural and electronic phenomena at oxyfluoride KTaO$_3$/K$M$F$_3$ ($M$ = Zn and Ni) superlattices: Rashba splitting and 2DEG
First-principles calculations predict 2D electron and hole gases and a large cubic Rashba spin splitting in KTaO3/KZnF3 and KTaO3/KNiF3 oxyfluoride superlattices.