Intrinsic Negative-U Centers in Freestanding LaAlO3/SrTiO3 Micro-membranes

Giulia Meucci, Pinelopi O. Konstantinopoulou, Thies Jansen +15

The LaAlO3/SrTiO3 (LAO/STO) interface hosts a rich range of electronic phenomena, including unconventional electron pairing that in quantum dots gives rise to a negative effective…