Matter
Volume 2, Issue 5, 6 May 2020, Pages 1296-1306
ArticleOverlooked Transportation Anisotropies in d-Band Correlated Rare-Earth Perovskite Nickelates
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Anisotropies in electronic transportations conventionally originate from the nature of low symmetries in crystal structures. Beyond conventional expectations, here we demonstrate pronounced anisotropies in the inter-band Coulomb repulsion-dominated electronic transportation behaviors in the low-dimensional perovskite family of rare-earth nickelates (ReNiO3). It unveils the overlooked role of the electronic orbital directionality within low-dimensional correlated perovskites that can trigger anisotropic transportation behaviors despite their relatively symmetric crystal structures.
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Material Advancement Progression
MAP1: Discovery
Keywords
perovskite oxides
electron correlation
anisotropy
metal-to-insulator transition
thermistor
rare-earth nickelates
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