Reference : Crossover between distinct symmetries in solid solutions of rare earth nickelates
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/10993/48885
Crossover between distinct symmetries in solid solutions of rare earth nickelates
English
Fowlie, Jennifer [(Corresponding Author), DQMP Univ Geneva, Ecole Phys, 24 Quai Ernest Ansermet, CH-1211 Geneva, Switzerland.]
Mundet, Bernat [Electron Spectrometry and Microscopy Laboratory (LSME), Institute of Physics (IPHYS), École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland]
Toulouse, Constance mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)]
Alexander, Schober [Luxembourg Institute of Science & Technology - LIST]
Guennou, Mael mailto [University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)]
Dominguez, Claribel [DQMP Univ Geneva, Ecole Phys, 24 Quai Ernest Ansermet, CH-1211 Geneva, Switzerland.]
Gibert, Marta [Physik-Institut, University of Zurich, Winterthurerstrasse 190, Zurich, Switzerland]
Alexander, Duncan T. L. [Electron Spectrometry and Microscopy Laboratory (LSME), Institute of Physics (IPHYS), École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland]
Kreisel, Jens mailto [University of Luxembourg > CRC > Vice-rectorate for Research (VR Research)]
Triscone, Jean-Marc [DQMP Univ Geneva, Ecole Phys, 24 Quai Ernest Ansermet, CH-1211 Geneva, Switzerland.]
2021
APL MATERIALS
AIP Publishing
9
8
Yes
International
2166-532X
1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501 USA
[en] A strong coupling of the lattice to functional properties is observed in many transition metal oxide systems, such as the ABO(3) perovskites. In the quest for tailor-made materials, it is essential to be able to control the structural properties of the compound(s) of interest. Here thin film solid solutions that combine NdNiO3 and LaNiO3, two materials with the perovskite structure but distinct space groups, are analyzed. Raman spectroscopy and scanning transmission electron microscopy are combined in a synergistic approach to fully determine the mechanism of the structural crossover with chemical composition. It is found that the symmetry transition is achieved by phase coexistence in a way that depends on the substrate selected. These results carry implications for analog-tuning of physical properties in future functional materials based on these compounds.
http://hdl.handle.net/10993/48885
10.1063/5.0057216081119
Article

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