During the last decade, they have attracted a lot. ![]() al. binary oxides have been a model system to investigate the emergent phenomena under the complex conditions. ![]() These results demonstrate the role of picometer-scale structural distortions on the physical properties of transition metal oxides and have important implications for designing novel quantum materials with functional properties including multiferroicity, metal-insulator transitions and tunable topological phases. Additionally, we find that by tuning growth and post-growth processing conditions, a two-dimensional electron gas (2DEG) forms at the interface between antiferromagnetic LaCrO 3 and SrTiO 3 providing a route to design all-oxide heterostructures which couple magnetic ordering with the mobile carriers within the 2DEG. We employ a combination of synchrotron X-ray diffraction, temperature-dependent magnetization measurements and X-ray magnetic circular dichroism to elucidate the interplay between structural and spin degrees of freedom in the rare-earth manganites. The stabilized magnetism is found to be independent of strain. We show that these structural distortions can be tuned by inserting polarity-matched LaSrCrO 3 (LSCO) spacer layers at the LSMO interfaces leading to a stabilization of ferromagnetism in LSMO layers as thin as two unit cells. Within the broad area of Correlated Oxide thin films and heterostructures, we focus our research on three areas: Electric field control of magnetism, Emergent. ![]() By imaging the atomic structure of the interface between polar LaSrMnO 3 (LSMO) crystalline films and non-polar SrTiO 3, we identify interfacial structural distortions which are correlated with thickness-dependent metal-insulator and ferromagnetic-paramagnetic transitions in the rare-earth manganites. However, these interactions may lead to the suppression of electronic and magnetic ordering at interfaces with strong structure-property relationships. Similarly, in magnetic oxide thin film heterostructures, 2D magnetism at the interface can be modified by varying parameters such as octahedral tilt, chemical doping, and epitaxial strain 19. Atomic-scale interactions at the interfaces between polar and non-polar transition metal oxides have led to the realization of exciting phenomena including two-dimensional electron gases, superconductivity and interfacial magnetism. The interplay between structural, electronic and spin degrees of freedom at complex oxide heterointerfaces provides an exciting route to explore quantum materials with novel functional properties.
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