<?xml version='1.0' encoding='utf-8'?> <oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd"> <dc:creator>Mardegan, Jose</dc:creator> <dc:creator>Christensen, Dennis</dc:creator> <dc:creator>Chen, Yunzhong</dc:creator> <dc:creator>Parchenko, Sergii</dc:creator> <dc:creator>Avula, Sridhar</dc:creator> <dc:creator>Ortiz-Hernandez, Nazaret</dc:creator> <dc:creator>Decker, Martin</dc:creator> <dc:creator>Piamonteze, Cinthia</dc:creator> <dc:creator>Pryds, Nini</dc:creator> <dc:creator>Staub, Urs</dc:creator> <dc:date>2021-09-13</dc:date> <dc:description>The magnetic and electronic nature of the γ-Al2O3/SrTiO3 spinel/perovskite interface is explored by means of x-ray absorption spectroscopy. Polarized x-ray techniques combined with atomic multiplet calculations reveal localized magnetic moments assigned to Ti3+ at the interface with equivalent size for in- and out-of-plane magnetic field directions. Although magnetic fingerprints are revealed, the Ti3+ magnetism can be explained by a paramagnetic response at low temperature under applied magnetic fields. Modeling the x-ray linear dichroism results in a Delta0 ∼ 1.9 eV splitting between the t2g and eg states for the Ti4+ 3d0 orbitals. In addition these results indicate that the lowest energy states have the out-of-plane dxz/dyz symmetry. The isotropic magnetic moment behavior and the lowest energy dxz/dyz states are in contrast to the observations for the two-dimensional electron gas at the perovskite/perovskite interface of LaAlO3/SrTiO3 that exhibits an anisotropic magnetic dxy ground state.</dc:description> <dc:identifier>https://archive.materialscloud.org/record/2021.147</dc:identifier> <dc:identifier>doi:10.24435/materialscloud:xx-et</dc:identifier> <dc:identifier>mcid:2021.147</dc:identifier> <dc:identifier>oai:materialscloud.org:1001</dc:identifier> <dc:language>en</dc:language> <dc:publisher>Materials Cloud</dc:publisher> <dc:rights>info:eu-repo/semantics/openAccess</dc:rights> <dc:rights>Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode</dc:rights> <dc:subject>two-dimensional electron gas</dc:subject> <dc:subject>magnetism</dc:subject> <dc:subject>x-ray absorption spectroscopy</dc:subject> <dc:subject>Experimental</dc:subject> <dc:title>Magnetic and electronic properties at the γ-Al2O3/SrTiO3 interface</dc:title> <dc:type>Dataset</dc:type> </oai_dc:dc>