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Electronic structure of a graphene-like artificial crystal of \(NdNiO_3\)

Artificial complex-oxide heterostructures containing ultrathin buried layers grown along the pseudocubic [111] direction have been predicted to host a plethora of exotic quantum states arising from the graphene-like lattice geometry and the interplay between strong electronic correlations and band t... Full description

Journal Title: arXiv.org May 27, 2019
Main Author: Arab, Arian
Other Authors: Liu, Xiaoran , Köksal, O , Yang, W , Chandrasena, R , Middey, S , Kareev, M , Kumar, S , Yang, Z , Strocov, V , Minár, J , Pentcheva, R , Chakhalian, J , Gray, A
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: DOI: 10.1021/acs.nanolett.9b03962
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recordid: proquest2231643784
title: Electronic structure of a graphene-like artificial crystal of \(NdNiO_3\)
format: Article
creator:
  • Arab, Arian
  • Liu, Xiaoran
  • Köksal, O
  • Yang, W
  • Chandrasena, R
  • Middey, S
  • Kareev, M
  • Kumar, S
  • Yang, Z
  • Strocov, V
  • Minár, J
  • Pentcheva, R
  • Chakhalian, J
  • Gray, A
subjects:
  • Soft X Rays
  • First Principles
  • Crystal Structure
  • Mathematical Analysis
  • Graphene
  • Quantum Theory
  • Spectrum Analysis
  • Heterostructures
  • Unit Cell
  • Topology
  • X Ray Spectroscopy
  • Momentum
  • Electronic Structure
  • Photoelectrons
  • Photoelectron Spectroscopy
  • Strongly Correlated Electrons
ispartof: arXiv.org, May 27, 2019
description: Artificial complex-oxide heterostructures containing ultrathin buried layers grown along the pseudocubic [111] direction have been predicted to host a plethora of exotic quantum states arising from the graphene-like lattice geometry and the interplay between strong electronic correlations and band topology. To date, however, electronic-structural investigations of such atomic layers remain an immense challenge due to the shortcomings of conventional surface-sensitive probes, with typical information depths of a few Angstroms. Here, we use a combination of bulk-sensitive soft x-ray angle-resolved photoelectron spectroscopy (SX-ARPES), hard x-ray photoelectron spectroscopy (HAXPES) and state-of-the-art first-principles calculations to demonstrate a direct and robust method for extracting momentum-resolved and angle-integrated valence-band electronic structure of an ultrathin buckled graphene-like layer of \(NdNiO_3\) confined between two 4-unit cell-thick layers of insulating \(LaAlO_3\)....
language: eng
source:
identifier: DOI: 10.1021/acs.nanolett.9b03962
fulltext: fulltext_linktorsrc
url: Link


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titleElectronic structure of a graphene-like artificial crystal of \(NdNiO_3\)
creatorArab, Arian ; Liu, Xiaoran ; Köksal, O ; Yang, W ; Chandrasena, R ; Middey, S ; Kareev, M ; Kumar, S ; Yang, Z ; Strocov, V ; Minár, J ; Pentcheva, R ; Chakhalian, J ; Gray, A
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ispartofarXiv.org, May 27, 2019
identifierDOI: 10.1021/acs.nanolett.9b03962
subjectSoft X Rays ; First Principles ; Crystal Structure ; Mathematical Analysis ; Graphene ; Quantum Theory ; Spectrum Analysis ; Heterostructures ; Unit Cell ; Topology ; X Ray Spectroscopy ; Momentum ; Electronic Structure ; Photoelectrons ; Photoelectron Spectroscopy ; Strongly Correlated Electrons
descriptionArtificial complex-oxide heterostructures containing ultrathin buried layers grown along the pseudocubic [111] direction have been predicted to host a plethora of exotic quantum states arising from the graphene-like lattice geometry and the interplay between strong electronic correlations and band topology. To date, however, electronic-structural investigations of such atomic layers remain an immense challenge due to the shortcomings of conventional surface-sensitive probes, with typical information depths of a few Angstroms. Here, we use a combination of bulk-sensitive soft x-ray angle-resolved photoelectron spectroscopy (SX-ARPES), hard x-ray photoelectron spectroscopy (HAXPES) and state-of-the-art first-principles calculations to demonstrate a direct and robust method for extracting momentum-resolved and angle-integrated valence-band electronic structure of an ultrathin buckled graphene-like layer of \(NdNiO_3\) confined between two 4-unit cell-thick layers of insulating \(LaAlO_3\)....
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titleElectronic structure of a graphene-like artificial crystal of \(NdNiO_3\)
descriptionArtificial complex-oxide heterostructures containing ultrathin buried layers grown along the pseudocubic [111] direction have been predicted to host a plethora of exotic quantum states arising from the graphene-like lattice geometry and the interplay between strong electronic correlations and band topology. To date, however, electronic-structural investigations of such atomic layers remain an immense challenge due to the shortcomings of conventional surface-sensitive probes, with typical information depths of a few Angstroms. Here, we use a combination of bulk-sensitive soft x-ray angle-resolved photoelectron spectroscopy (SX-ARPES), hard x-ray photoelectron spectroscopy (HAXPES) and state-of-the-art first-principles calculations to demonstrate a direct and robust method for extracting momentum-resolved and angle-integrated valence-band electronic structure of an ultrathin buckled graphene-like layer of \(NdNiO_3\) confined between two 4-unit cell-thick layers of insulating \(LaAlO_3\)....
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titleElectronic structure of a graphene-like artificial crystal of \(NdNiO_3\)
authorArab, Arian ; Liu, Xiaoran ; Köksal, O ; Yang, W ; Chandrasena, R ; Middey, S ; Kareev, M ; Kumar, S ; Yang, Z ; Strocov, V ; Minár, J ; Pentcheva, R ; Chakhalian, J ; Gray, A
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13Photoelectrons
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abstractArtificial complex-oxide heterostructures containing ultrathin buried layers grown along the pseudocubic [111] direction have been predicted to host a plethora of exotic quantum states arising from the graphene-like lattice geometry and the interplay between strong electronic correlations and band topology. To date, however, electronic-structural investigations of such atomic layers remain an immense challenge due to the shortcomings of conventional surface-sensitive probes, with typical information depths of a few Angstroms. Here, we use a combination of bulk-sensitive soft x-ray angle-resolved photoelectron spectroscopy (SX-ARPES), hard x-ray photoelectron spectroscopy (HAXPES) and state-of-the-art first-principles calculations to demonstrate a direct and robust method for extracting momentum-resolved and angle-integrated valence-band electronic structure of an ultrathin buckled graphene-like layer of \(NdNiO_3\) confined between two 4-unit cell-thick layers of insulating \(LaAlO_3\)....
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pubCornell University Library, arXiv.org
doi10.1021/acs.nanolett.9b03962
urlhttp://search.proquest.com/docview/2231643784/
issue11
orcidid0000-0001-8766-0965
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pages8311-8317
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date2019-05-27