Electron Doping by Charge Transfer at LaFeO3/Sm2CuO4 Epitaxial Interfaces

被引：9

作者：

Bruno, Flavio Y. ^{[1
]}

Schmidt, Rainer ^{[1
]}

Varela, Maria ^{[1
,2
]}

Garcia-Barriocanal, Javier ^{[1
]}

Rivera-Calzada, Alberto ^{[1
]}

Cuellar, Fabian A. ^{[1
]}

Leon, Carlos ^{[1
]}

Thakur, Pardeep ^{[3
]}

Cezar, Julio C. ^{[3
]}

Brookes, Nicholas B. ^{[3
]}

Garcia-Hernandez, Mar ^{[4
]}

Dagotto, Elbio ^{[2
,5
]}

Pennycook, Stephen J. ^{[2
]}

Santamaria, Jacobo ^{[1
]}

机构：

[1] Univ Complutense Madrid, GFMC Dpto Fis Aplicada 3, E-28040 Madrid, Spain

[2] Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USA

[3] European Synchrotron Radiat Facil, F-38043 Grenoble, France

[4] CSIC, Inst Ciencia Mat Madrid, Canto Blanco 28049, Spain

[5] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA

来源：

ADVANCED MATERIALS | 2013年 / 25卷 / 10期

关键词：

charge transfer; interface phenomena; superlattices; RAY-ABSORPTION-SPECTROSCOPY; ENERGY-LOSS; RECONSTRUCTION; INSULATOR; OXYGEN;

D O I：

10.1002/adma.201203483

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Using X-ray absorption spectroscopy and electron energy loss spectroscopy with atomic-scale spatial resolution, experimental evidence for charge transfer at the interface between the Mott insulators Sm2CuO4 and LaFeO3 is obtained. As a consequence of the charge transfer, the Sm2CuO4 is doped with electrons and thus epitaxial Sm 2CuO4/LaFeO3 heterostructures become metallic. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：1468 / 1473

页数：6

共 40 条

[1] Areas of superconductivity and giant proximity effects in underdoped cuprates
Alvarez, G
Mayr, M
Moreo, A
Dagotto, E
[J]. PHYSICAL REVIEW B, 2005, 71 (01):
[2] Barsoukov E, 2005, IMPEDANCE SPECTROSCOPY: THEORY, EXPERIMENT, AND APPLICATIONS, 2ND EDITION, pXII
[3] CORRELATION BETWEEN HOLE DEPLETION AND ATOMIC-STRUCTURE AT HIGH-ANGLE GRAIN-BOUNDARIES IN YBA2CU3O7-DELTA
BROWNING, ND
CHISHOLM, MF
PENNYCOOK, SJ
NORTON, DP
LOWNDES, DH
[J]. PHYSICA C, 1993, 212 (1-2): : 185 - 190
[4] DETERMINATION OF THE LOCAL OXYGEN STOICHIOMETRY IN YBA2CU3O7-DELTA BY ELECTRON-ENERGY LOSS SPECTROSCOPY IN THE SCANNING-TRANSMISSION ELECTRON-MICROSCOPE
BROWNING, ND
YUAN, J
BROWN, LM
[J]. PHYSICA C, 1992, 202 (1-2): : 12 - 18
[5] Electronic and Magnetic Reconstructions in La0.7Sr0.3MnO3/SrTiO3 Heterostructures: A Case of Enhanced Interlayer Coupling Controlled by the Interface
Bruno, F. Y.
Garcia-Barriocanal, J.
Varela, M.
Nemes, N. M.
Thakur, P.
Cezar, J. C.
Brookes, N. B.
Rivera-Calzada, A.
Garcia-Hernandez, M.
Leon, C.
Okamoto, S.
Pennycook, S. J.
Santamaria, J.
[J]. PHYSICAL REVIEW LETTERS, 2011, 106 (14)
[6] Orbital reconstruction and covalent bonding at an oxide interface
Chakhalian, J.
Freeland, J. W.
Habermeier, H.-U.
Cristiani, G.
Khaliullin, G.
van Veenendaal, M.
Keimer, B.
[J]. SCIENCE, 2007, 318 (5853) : 1114 - 1117
[7] Magnetism at the interface between ferromagnetic and superconducting oxides
Chakhalian, J
Freeland, JW
Srajer, G
Strempfer, J
Khaliullin, G
Cezar, JC
Charlton, T
Dalgliesh, R
Bernhard, C
Cristiani, G
Habermeier, HU
Keimer, B
[J]. NATURE PHYSICS, 2006, 2 (04) : 244 - 248
[8] ELECTRON-ENERGY-LOSS AND X-RAY-ABSORPTION SPECTROSCOPY OF CUPRATE SUPERCONDUCTORS AND RELATED-COMPOUNDS
FINK, J
NUCKER, N
PELLEGRIN, E
ROMBERG, H
ALEXANDER, M
KNUPFER, M
[J]. JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 1994, 66 (3-4) : 395 - 452
[9] SOFT-X-RAY ABSORPTION-SPECTROSCOPY OF ELECTRON-DOPED (ND,SM)2-XCEXCUO4-DELTA COMPOUNDS
FLIPSE, CFJ
VANDERLAAN, G
JOHNSON, AL
KADOWAKI, K
[J]. PHYSICAL REVIEW B, 1990, 42 (04): : 1997 - 2002
[10] Spin and orbital Ti magnetism at LaMnO3/SrTiO3 interfaces
Garcia-Barriocanal, J.
Cezar, J. C.
Bruno, F. Y.
Thakur, P.
Brookes, N. B.
Utfeld, C.
Rivera-Calzada, A.
Giblin, S. R.
Taylor, J. W.
Duffy, J. A.
Dugdale, S. B.
Nakamura, T.
Kodama, K.
Leon, C.
Okamoto, S.
Santamaria, J.
[J]. NATURE COMMUNICATIONS, 2010, 1

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