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Open AccessArtificial two-dimensional polar metal at room temperature
Polar metals, commonly defined by the coexistence of polar crystal structure and metallicity, are thought to be scarce because the long-range electrostatic fields favoring the polar structure are expected to b...
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Open AccessSuperconductor to Mott insulator transition in YBa2Cu3O7/LaCaMnO3 heterostructures
The superconductor-to-insulator transition (SIT) induced by means such as external magnetic fields, disorder or spatial confinement is a vivid illustration of a quantum phase transition dramatically affecting ...
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Geometrical lattice engineering of complex oxide heterostructures: a designer approach to emergent quantum states
Epitaxial heterostructures composed of complex oxides have fascinated researchers for over a decade as they offer multiple degrees of freedom to unveil emergent many-body phenomena often unattainable in bulk. ...
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Open AccessPure electronic metal-insulator transition at the interface of complex oxides
In complex materials observed electronic phases and transitions between them often involve coupling between many degrees of freedom whose entanglement convolutes understanding of the instigating mechanism. Met...
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Open AccessEngineered Mott ground state in a LaTiO3+δ/LaNiO3 heterostructure
In pursuit of creating cuprate-like electronic and orbital structures, artificial heterostructures based on LaNiO3 have inspired a wealth of exciting experimental and theoretical results. However, to date there i...
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Competition between heavy fermion and Kondo interaction in isoelectronic A-site-ordered perovskites
With current research efforts shifting towards the 4d and 5d transition metal oxides, understanding the evolution of the electronic and magnetic structure as one moves away from 3d materials is of critical import...
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Open AccessPolarity compensation in ultra-thin films of complex oxides: The case of a perovskite nickelate
We address the fundamental issue of growth of perovskite ultra-thin films under the condition of a strong polar mismatch at the heterointerface exemplified by the growth of a correlated metal LaNiO3 on the band i...
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Open AccessZhang-Rice physics and anomalous copper states in A-site ordered perovskites
In low dimensional cuprates several interesting phenomena, including high Tc superconductivity, are deeply connected to electron correlations on Cu and the presence of the Zhang-Rice (ZR) singlet state. Here, we ...