Spontaneous structural distortion and quasi-one-dimensional quantum confinement in a single-phase compound

Zhongchang Wang; Lin Gu; Mitsuhiro Saito; Susumu Tsukimoto; Masaru Tsukada; Frank Lichtenberg; Yuichi Ikuhara; Johannes Georg Bednorz

doi:10.1002/adma.201203134

Spontaneous structural distortion and quasi-one-dimensional quantum confinement in a single-phase compound

Zhongchang Wang^*
, Lin Gu
, Mitsuhiro Saito
, Susumu Tsukimoto
, Masaru Tsukada
, Frank Lichtenberg
, Yuichi Ikuhara
, Johannes Georg Bednorz

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

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.

Original language	English
Pages (from-to)	218-222
Number of pages	5
Journal	Advanced Materials
Volume	25
Issue number	2
DOIs	https://doi.org/10.1002/adma.201203134
State	Published - 11 Jan 2013
Externally published	Yes

Keywords

first-principles calculations
oxide heterostructures
quantum confinement
scanning transmission electron microscopy
structural distortion

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10.1002/adma.201203134

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abstract = "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.",

keywords = "first-principles calculations, oxide heterostructures, quantum confinement, scanning transmission electron microscopy, structural distortion",

author = "Zhongchang Wang and Lin Gu and Mitsuhiro Saito and Susumu Tsukimoto and Masaru Tsukada and Frank Lichtenberg and Yuichi Ikuhara and Bednorz, \{Johannes Georg\}",

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AU - Wang, Zhongchang

AU - Gu, Lin

AU - Saito, Mitsuhiro

AU - Tsukimoto, Susumu

AU - Tsukada, Masaru

AU - Lichtenberg, Frank

AU - Ikuhara, Yuichi

AU - Bednorz, Johannes Georg

PY - 2013/1/11

Y1 - 2013/1/11

N2 - 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.

AB - 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.

KW - first-principles calculations

KW - oxide heterostructures

KW - quantum confinement

KW - scanning transmission electron microscopy

KW - structural distortion

UR - https://www.scopus.com/pages/publications/84872121400

U2 - 10.1002/adma.201203134

DO - 10.1002/adma.201203134

M3 - 文章

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SP - 218

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JO - Advanced Materials

JF - Advanced Materials

IS - 2

ER -

Spontaneous structural distortion and quasi-one-dimensional quantum confinement in a single-phase compound

Abstract

Keywords

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