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Zhongchang Wang, Lin Gu, Mitsuhiro Saito, Susumu Tsukimoto, Masaru Tsukada, Frank Lichtenberg, Yuichi Ikuhara and Johannes Georg Bednorz Spontaneous Structural Distortion and Quasi-One-Dimensional Quantum Confinement in a Single-Phase Compound Advanced Materials 25

Version of Record online: 29 NOV 2012 | DOI: 10.1002/adma.201203134

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Oxide heterointerfaces often trigger unusual electronic properties that are absent in respective bulks. Here, direct evidence is offered for spontaneously assembled local structural distortions in a single-phase bulk, which confine electrons to within an atomic layer with notable orbital reconstruction and coupling, close the forbidden band, induce a ferromagnetic ordering, and give rise to a strongly anisotropic, spin-polarized quasi-one-dimensional electron gas.

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