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Monodomain to polydomain transition in ferroelectric PbTiO3 thin films with La0.67Sr0.3MnO3 electrodes
Celine Lichtensteiger, Matthew Dawber, Nicolas Stucki +6
Finite size effects in ferroelectric thin films have been probed in a series of epitaxial perovskite c-axis oriented PbTiO3 films grown on thin La0.67Sr0.33MnO3 epitaxial electrode…
Direct evidence for ferroelectric polar distortion in ultrathin lead titanate perovskite films
L. Despont, C. Lichtensteiger, C. Koitzsch +7
X-ray photoelectron diffraction is used to directly probe the intra-cell polar atomic distortion and tetragonality associated with ferroelectricity in ultrathin epitaxial PbTiO3 fi…
Unusual behaviour of the ferroelectric polarization in PbTiO/SrTiO superlattices
M. Dawber, C. Lichtensteiger, M. Cantoni +5
Artificial PbTiO/SrTiO superlattices were constructed using off-axis RF magnetron sputtering. X-ray diffraction and piezoelectric atomic force microscopy were used to s…
Ferroelectricity and tetragonality in ultrathin PbTiO3 films
Celine Lichtensteiger, Jean-Marc Triscone, Javier Junquera +1
The evolution of tetragonality with thickness has been probed in epitaxial c-axis oriented PbTiO3 films with thicknesses ranging from 500 down to 24 Angstroms. High resolution x-ra…