Epitaxial growth and the magnetic properties of orthorhombic YTiO3 thin films

Details Epitaxial growth and the magnetic properties of orthorhombic YTiO3 thin films Epitaxial growth and the magnetic properties of orthorhombic YTiO3 thin films

2006-09-23

arxiv.org/abs/cond-mat/0609602v1

Physics

Condensed Matter

Materials Science

14 pages, 4 figures

Scientific paper

10.1063/1.2374850

High-quality YTiO3 thin films were grown on LaAlO3 (110) substrates at low oxygen pressures (<10-8 Torr) using pulsed laser deposition. The in-plane asymmetric atomic arrangements at the substrate surface allowed us to grow epitaxial YTiO3 thin films, which have an orthorhombic crystal structure with quite different a- and b-axes lattice constants. The YTiO3 film exhibited a clear ferromagnetic transition at 30 K with a saturation magnetization of about 0.7 uB/Ti. The magnetic easy axis was found to be along the [1-10] direction of the substrate, which differs from the single crystal easy axis direction, i.e., [001].

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