Thickness-dependent magnetic and electrical transport properties of epitaxial La0.7Sr0.3CoO3 films

Li, Binzhi; Chopdekar, Rajesh V.; Kane, Alexander M.; Hoke, Kyle; N’Diaye, Alpha T.; Arenholz, Elke; Takamura, Yayoi

doi:10.1063/1.4979921

Title: Thickness-dependent magnetic and electrical transport properties of epitaxial La0.7Sr0.3CoO3 films

Abstract

The thickness-dependent magnetic and electrical transport properties of nearly strain-free La_0.7Sr_0.3CoO₃ (LSCO) films grown on (001)-oriented (LaAlO₃ )_0.3 (Sr₂AlTaO₆)_0.7 substrates were systematically studied. A crossover from ferromagnetic/metallic to non-magnetic/insulating behavior occurs at a critical thickness (~8 nm) that is significantly smaller than LSCO films under larger strains in reported literature. X-ray absorption measurements revealed that the difference of functional properties at reduced film thicknesses was accompanied by changes in the valence state of Co ions at the film/substrate interface.

Authors:

Li, Binzhi ^[1];

^[1]; Kane, Alexander M. ^[1]; Hoke, Kyle ^[1];

^[2]; Arenholz, Elke ^[2];

^[1]

Department of Materials Science and Engineering, University of California, Davis, Davis, California 95616, USA
Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA

Publication Date:: Tue Apr 04 00:00:00 EDT 2017

Research Org.:: Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

OSTI Identifier:: 1361811

Alternate Identifier(s):: OSTI ID: 1379789; OSTI ID: 1421016

Grant/Contract Number:: AC02-05CH11231

Resource Type:: Published Article

Journal Name:: AIP Advances

Additional Journal Information:: Journal Name: AIP Advances Journal Volume: 7 Journal Issue: 4; Journal ID: ISSN 2158-3226

Publisher:: American Institute of Physics

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

Citation Formats


                    Li, Binzhi, Chopdekar, Rajesh V., Kane, Alexander M., Hoke, Kyle, N’Diaye, Alpha T., Arenholz, Elke, and Takamura, Yayoi. Thickness-dependent magnetic and electrical transport properties of epitaxial La0.7Sr0.3CoO3 films.  United States: N. p., 2017. 
Web.  doi:10.1063/1.4979921.

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                    Li, Binzhi, Chopdekar, Rajesh V., Kane, Alexander M., Hoke, Kyle, N’Diaye, Alpha T., Arenholz, Elke, & Takamura, Yayoi. Thickness-dependent magnetic and electrical transport properties of epitaxial La0.7Sr0.3CoO3 films.  United States.  https://doi.org/10.1063/1.4979921

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                    Li, Binzhi, Chopdekar, Rajesh V., Kane, Alexander M., Hoke, Kyle, N’Diaye, Alpha T., Arenholz, Elke, and Takamura, Yayoi. Tue .  
"Thickness-dependent magnetic and electrical transport properties of epitaxial La0.7Sr0.3CoO3 films".  United States.  https://doi.org/10.1063/1.4979921.

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@article{osti_1361811,

  title        = {Thickness-dependent magnetic and electrical transport properties of epitaxial La0.7Sr0.3CoO3 films},

  author       = {Li, Binzhi and Chopdekar, Rajesh V. and Kane, Alexander M. and Hoke, Kyle and N’Diaye, Alpha T. and Arenholz, Elke and Takamura, Yayoi},

  abstractNote = {The thickness-dependent magnetic and electrical transport properties of nearly strain-free La0.7Sr0.3CoO3 (LSCO) films grown on (001)-oriented (LaAlO3 ) 0.3 (Sr2AlTaO6)0.7 substrates were systematically studied. A crossover from ferromagnetic/metallic to non-magnetic/insulating behavior occurs at a critical thickness (~8 nm) that is significantly smaller than LSCO films under larger strains in reported literature. X-ray absorption measurements revealed that the difference of functional properties at reduced film thicknesses was accompanied by changes in the valence state of Co ions at the film/substrate interface.},

  doi          = {10.1063/1.4979921},

  journal      = {AIP Advances},

  number       = 4,

  volume       = 7,

  place        = {United States},

  year         = {Tue Apr 04 00:00:00 EDT 2017},

  month        = {Tue Apr 04 00:00:00 EDT 2017}

}

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journal, December 2013

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Works referencing / citing this record:

Correlation between epitaxial strain and magnetic properties in La _0.7 Sr _0.3 CoO ₃ /La _0.7 Sr _0.3 MnO ₃ bilayers
journal, February 2019

Byers, J. Paige; Li, Binzhi; Chopdekar, Rajesh V.
Journal of Applied Physics, Vol. 125, Issue 8
DOI: 10.1063/1.5054003

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Similar Records

Title: Thickness-dependent magnetic and electrical transport properties of epitaxial La0.7Sr0.3CoO3 films

Abstract

Citation Formats

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Field dependence of zero-field-cooled magnetization of La1−xSrxCoO3 (x=0.05–0.5) journal, April 2002

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Hidden Magnetic Configuration in Epitaxial ${La}_{1 - x} {Sr}_{x} {MnO}_{3}$ Films
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Field dependence of zero-field-cooled magnetization of La1−xSrxCoO3 (x=0.05–0.5)
journal, April 2002

Magnetic and Transport Properties of the System La_1-xSr_xCoO_3-δ (0 < x ≤ 0.50)
journal, September 1995

Magnetic Phase Separation in ${L a}_{1 - x} {S r}_{x} C o O_{3}$ by ${}^{59}{C o}$ Nuclear Magnetic Resonance
journal, September 2003

Static and dynamic response of cluster glass in ${La}_{0.5}$ ${Sr}_{0.5}$ ${CoO}_{3}$
journal, October 1996

Strain-Induced Insulator State and Giant Gauge Factor of ${La}_{0.7} {Sr}_{0.3} {CoO}_{3}$ Films
journal, February 2008

Lattice mismatch accommodation via oxygen vacancy ordering in epitaxial La _0.5 Sr _0.5 CoO _3-δ thin films
journal, July 2013

Spin Blockade, Orbital Occupation, and Charge Ordering in ${La}_{1.5} {Sr}_{0.5} {CoO}_{4}$
journal, March 2009

Double Exchange via $t_{2 g}$ Orbitals and the Jahn-Teller Effect in Ferromagnetic $L a_{0.7} S r_{0.3} Co O_{3}$ Probed by Epitaxial Strain
journal, December 2013

Impact of stress on oxygen vacancy ordering in epitaxial (La0.5Sr0.5)CoO3−∂ thin films
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Defect chemistry and surface properties of LaCoO3
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Magnetic and transport properties of ${La}_{1 - x} {Sr}_{x} {CoO}_{3 - δ}$ $(0.15 <~ x <~ 0.5)$ films prepared by laser ablation
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Chemically Driven Nanoscopic Magnetic Phase Separation at the SrTiO3(001)/La1-xSrxCoO3 Interface
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Strain-Induced Spin States in Atomically Ordered Cobaltites
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Orbital Physics in Transition-Metal Oxides
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