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4 papers · 2 filters
Pressure-temperature phase diagram of SrTiO3 up to 53 GPa
Mael Guennou, Pierre Bouvier, Jens Kreisel +1
We investigate the cubic to tetragonal phase transition in the pressure-temperature phase diagram of strontium titanate SrTiO3 (STO) by means of Raman spectroscopy and X-ray diffra…
Dimensionality cross-over in magnetism: from domain walls (2D) to vortices (1D)
Aurélien Masseboeuf, Olivier Fruchart, Jean-Christophe Toussaint +5
Dimensionality cross-over is a classical topic in physics. Surprisingly it has not been searched in micromagnetism, which deals with objects such as domain walls (2D) and vortices…
Raman scattering of perovskite DyScO3 and GdScO3 single crystals
O. Chaix-Pluchery, J. Kreisel
We report an investigation of DyScO3 and GdScO3 single crystals by Raman scattering in various scattering configurations and at various wavelengths. The Raman spectra are well-defi…
Anomalous Doping Effects on Charge Transport in Graphene Nanoribbons
Blanca Biel, X. Blase, François Triozon +1
We present first-principles calculations of quantum transport in chemically doped graphene nanoribbons with a width of up to 4 nm. The presence of boron and nitrogen impurities is…