C. H. Ahn, K. M. Rabe, and J. Triscone, Ferroelectricity at the Nanoscale: Local Polarization in Oxide Thin Films and Heterostructures, Science, vol.303, issue.5657, p.488, 2004.
DOI : 10.1126/science.1092508

D. M. Smyth, The role of impurities in insultating transition metal oxides, Progress in Solid State Chemistry, vol.15, issue.3, p.145, 1984.
DOI : 10.1016/0079-6786(84)90001-3

J. L. Wang, Thin Film after Dissociative Adsorption of Water, The Journal of Physical Chemistry C, vol.116, issue.41, p.21802, 2012.
DOI : 10.1021/jp305826e

URL : https://hal.archives-ouvertes.fr/hal-00777517

G. Niu, Molecular beam epitaxy growth of BaTiO3 thin films and crucial impact of oxygen content conditions on the electrical characteristics, Thin Solid Films, vol.520, issue.14, p.4595, 2012.
DOI : 10.1016/j.tsf.2011.10.182

J. D. Baniecki, M. Ishii, T. Shioga, K. Kurihara, and S. Miyahara, Surface core-level shifts of strontium observed in photoemission of barium strontium titanate thin films, Applied Physics Letters, vol.89, issue.16, p.162908, 2006.
DOI : 10.1063/1.2357880

Z. T. Xu, Evidence for a Crucial Role Played by Oxygen Vacancies in LaMnO3 Resistive Switching Memories, Small, vol.79, issue.8, p.1279, 2012.
DOI : 10.1002/smll.201101796

H. L. Cai, X. S. Wu, and J. Gao, Effect of oxygen content on structural and transport properties in SrTiO3???x thin films, Chemical Physics Letters, vol.467, issue.4-6, p.313, 2009.
DOI : 10.1016/j.cplett.2008.11.071

S. B. Mi, C. L. Jia, T. Heeg, O. Trithaveesak, J. Schubert et al., Heterostructures of BaTiO3 bilayer films grown on SrTiO3 (001) under different oxygen pressures, Journal of Crystal Growth, vol.283, issue.3-4, p.425, 2005.
DOI : 10.1016/j.jcrysgro.2005.06.032

R. Perez-casero, Thin films of oxygen-deficient perovskite phases by pulsed-laser ablation of strontium titanate, Physical Review B, vol.75, issue.16, p.165317, 2007.
DOI : 10.1103/PhysRevB.75.165317

URL : https://hal.archives-ouvertes.fr/hal-00182488

G. Sheng, Misfit strain???misfit strain diagram of epitaxial BaTiO3 thin films: Thermodynamic calculations and phase-field simulations, Applied Physics Letters, vol.93, issue.23, p.232904, 2008.
DOI : 10.1063/1.3039410

G. M. Vanacore, L. F. Zagonel, and N. Barrett, Surface enhanced covalency and Madelung potentials in Nb doped SrTiO3 (100), (110) and (111) single crystals, Surface Science, vol.604, issue.19-20, p.1674, 2010.
DOI : 10.1016/j.susc.2010.06.012

J. H. Scofield, Theoretical Photoionization Cross Sections from 1 to 1500 keV, 1973.
DOI : 10.2172/4545040

G. Geneste and B. , surfaces and their relation to ferroelectricity, Physical Review B, vol.79, issue.23, p.235420, 2009.
DOI : 10.1103/PhysRevB.79.235420