Table 1 Calculated cleavage energy (eV/Å2) for the (LaAlO3)n/(BaTiO3)n superlattices (n = 2.5 to 8.5) with the LaO/TiO2 and BaO/AlO2 interfaces.
From: Thickness Control of the Spin-Polarized Two-Dimensional Electron Gas in LaAlO3/BaTiO3 Superlattices
Systems | Cleavage energy (eV/Å2) | |
|---|---|---|
LaO/TiO2 | BaO/AlO2 | |
(LaAlO3)2.5/(BaTiO3)2.5 | 0.189 | 0.117 |
(LaAlO3)3.5/(BaTiO3)3.5 | 0.175 | 0.109 |
(LaAlO3)4.5/(BaTiO3)4.5 | 0.164 | 0.101 |
(LaAlO3)5.5/(BaTiO3)5.5 | 0.155 | 0.092 |
(LaAlO3)6.5/(BaTiO3)6.5 | 0.147 | 0.083 |
(LaAlO3)7.5/(BaTiO3)7.5 | 0.138 | 0.074 |
(LaAlO3)8.5/(BaTiO3)8.5 | 0.127 | 0.066 |