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

Byers, J. Paige; Li, Binzhi; Chopdekar, Rajesh V.; Ditto, Jeffrey; Johnson, David C.; Takamura, Yayoi; Browning, Nigel D.

doi:10.1063/1.5054003

Title: 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

Abstract

Magnetic properties arising at interfaces of perovskite oxides such as La_0.7Sr_0.3CoO ₃ (LSCO) and La_0.7Sr_0.3MnO₃ (LSMO) depend sensitively on the fine details of their structural properties. In this work, we use high-resolution transmission electron microscopy and spectroscopy to examine the structural and electronic phenomena at the interfaces in two LSCO/LSMO bilayers with reversed growth order. Two different strain mechanisms are at work in these films: compressive or tensile epitaxial strain, and distortion of the octahedral tilt pattern to maintain a network of corner-sharing octahedra. While the epitaxial strain is constant regardless of the growth order, the modification of the octahedral tilt pattern depends on whether the film is grown directly on the substrate or as the second sublayer. As a consequence, exchange spring behavior is observed only when the LSCO sublayer is grown first. The different mechanisms of strain accommodation within the oxygen octahedra network in each material proved to be of critical importance in determining the interfacial structure and thus magnetic and electronic properties of the bilayers.

Authors:

Byers, J. Paige ^[1]; Li, Binzhi ^[1];

^[1]; Ditto, Jeffrey ^[2]; Johnson, David C. ^[2];

^[1]; Browning, Nigel D. ^[3]

Univ. of California, Davis, CA (United States)
Univ. of Oregon, Eugene, OR (United States)
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)

Publication Date:: Thu Feb 28 00:00:00 EST 2019

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

Sponsoring Org.:: USDOE Office of Science (SC); National Science Foundation (NSF)

OSTI Identifier:: 1542377

Grant/Contract Number:: AC02-05CH11231; AC05-76RL01830

Resource Type:: Accepted Manuscript

Journal Name:: Journal of Applied Physics

Additional Journal Information:: Journal Volume: 125; Journal Issue: 8; Journal ID: ISSN 0021-8979

Publisher:: American Institute of Physics (AIP)

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE

Citation Formats


                    Byers, J. Paige, Li, Binzhi, Chopdekar, Rajesh V., Ditto, Jeffrey, Johnson, David C., Takamura, Yayoi, and Browning, Nigel D. 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.  United States: N. p., 2019. 
Web.  doi:10.1063/1.5054003.

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                    Byers, J. Paige, Li, Binzhi, Chopdekar, Rajesh V., Ditto, Jeffrey, Johnson, David C., Takamura, Yayoi, & Browning, Nigel D. 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.  United States.  https://doi.org/10.1063/1.5054003

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                    Byers, J. Paige, Li, Binzhi, Chopdekar, Rajesh V., Ditto, Jeffrey, Johnson, David C., Takamura, Yayoi, and Browning, Nigel D. Thu .  
"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".  United States.  https://doi.org/10.1063/1.5054003.  https://www.osti.gov/servlets/purl/1542377.

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@article{osti_1542377,

  title        = {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},

  author       = {Byers, J. Paige and Li, Binzhi and Chopdekar, Rajesh V. and Ditto, Jeffrey and Johnson, David C. and Takamura, Yayoi and Browning, Nigel D.},

  abstractNote = {Magnetic properties arising at interfaces of perovskite oxides such as La0.7Sr0.3CoO 3 (LSCO) and La0.7Sr0.3MnO3 (LSMO) depend sensitively on the fine details of their structural properties. In this work, we use high-resolution transmission electron microscopy and spectroscopy to examine the structural and electronic phenomena at the interfaces in two LSCO/LSMO bilayers with reversed growth order. Two different strain mechanisms are at work in these films: compressive or tensile epitaxial strain, and distortion of the octahedral tilt pattern to maintain a network of corner-sharing octahedra. While the epitaxial strain is constant regardless of the growth order, the modification of the octahedral tilt pattern depends on whether the film is grown directly on the substrate or as the second sublayer. As a consequence, exchange spring behavior is observed only when the LSCO sublayer is grown first. The different mechanisms of strain accommodation within the oxygen octahedra network in each material proved to be of critical importance in determining the interfacial structure and thus magnetic and electronic properties of the bilayers.},

  doi          = {10.1063/1.5054003},

  journal      = {Journal of Applied Physics},

  number       = 8,

  volume       = 125,

  place        = {United States},

  year         = {Thu Feb 28 00:00:00 EST 2019},

  month        = {Thu Feb 28 00:00:00 EST 2019}

}

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Title: 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

Abstract

Citation Formats

Structural details and magnetic order of La 1 − x Sr x CoO 3 ( x <~ 0 . 3 ) journal, January 1999

Considerations on Double Exchange journal, October 1955

Transmission Electron Microscopy book, January 2009

Unconventional switching behavior in La 0.7 Sr 0.3 MnO 3 /La 0.7 Sr 0.3 CoO 3 exchange-spring bilayers journal, November 2014

Local Structure of La 1 − x Sr x CoO 3 Determined from EXAFS and Neutron Pair Distribution Function Studies journal, January 2009

Atomic level observation of octahedral distortions at the perovskite oxide heterointerface journal, July 2013

Magnetic and Transport Properties of the System La1-xSrxCoO3-δ (0 < x ≤ 0.50) journal, September 1995

Effect of Interfacial Octahedral Behavior in Ultrathin Manganite Films journal, April 2014

Misfit strain accommodation in epitaxial A B O 3 perovskites: Lattice rotations and lattice modulations journal, February 2011

Strain engineering to control the magnetic and magnetotransport properties of La0.67Sr0.33MnO3 thin films journal, August 2010

Lattice mismatch accommodation via oxygen vacancy ordering in epitaxial La 0.5 Sr 0.5 CoO 3-δ thin films journal, July 2013

Simple ways of determining perovskite structures journal, November 1975

Magnetic correlation between La 0.7 Sr 0.3 MnO 3 and La 0.7 Sr 0.3 CoO 3 layers in artificial superlattices journal, April 2013

New Magnetic Anisotropy journal, June 1956

Control of the magnetic and magnetotransport properties of La0.67Sr0.33MnO3 thin films through epitaxial strain journal, April 2008

Engineered Interface of Magnetic Oxides journal, July 2004

Giant energy product in nanostructured two-phase magnets journal, December 1993

Interface Physics in Complex Oxide Heterostructures journal, March 2011

Magnetic anisotropy and strain states of (001) and (110) colossal magnetoresistance thin films journal, October 2000

Crucial Role of the Lattice Distortion in the Magnetism of LaMnO 3 journal, June 1996

Engineered superlattices with crossover from decoupled to synthetic ferromagnetic behavior journal, December 2017

Structural effects on the magnetic and transport properties of perovskite A 1 − x A x ′ MnO 3 ( x = 0.25 , 0.30) journal, October 1997

Probing bonding and electronic structure at atomic resolution with spectroscopic imaging journal, January 2012

Suppression of Octahedral Tilts and Associated Changes in Electronic Properties at Epitaxial Oxide Heterostructure Interfaces journal, August 2010

Crystal Structure of the Mixed Oxides La0.7Sr0.3Co1−zMnzO3±y(0≤z≤1) journal, February 1999

Metal–Insulator Transition and Crystal Structure of La1−xSrxCoO3as Functions of Sr-Content, Temperature, and Oxygen Partial Pressure journal, February 1999

The exchange-spring magnet: a new material principle for permanent magnets journal, July 1991

The classification of tilted octahedra in perovskites journal, November 1972

Emergent phenomena at oxide interfaces journal, January 2012

Colloquium : Emergent properties in plane view: Strong correlations at oxide interfaces journal, October 2014

A high-mobility electron gas at the LaAlO3/SrTiO3 heterointerface journal, January 2004

Control of Octahedral Tilts and Magnetic Properties of Perovskite Oxide Heterostructures by Substrate Symmetry journal, November 2010

Thickness-dependent magnetic and electrical transport properties of epitaxial La 0.7 Sr 0.3 CoO 3 films journal, April 2017

Structural “ δ Doping” to Control Local Magnetization in Isovalent Oxide Heterostructures journal, November 2017

Glassy ferromagnetism and magnetic phase separation in La 1 − x Sr x CoO 3 journal, May 2003

Insulator-metal transition and giant magnetoresistance in La 1 − x Sr x MnO 3 journal, May 1995

Electronic and ionic transport properties and other physical aspects of perovskites journal, September 2004

Exchange bias journal, February 1999

Atomically resolved EELS mapping of the interfacial structure of epitaxially strained LaNiO 3 / LaAlO 3 superlattices journal, November 2014

Electron Energy-Loss Spectroscopy in the Electron Microscope book, January 2011

Tuning interfacial exchange interactions via electronic reconstruction in transition-metal oxide heterostructures journal, October 2016

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Hard/soft magnetic heterostructures: model exchange-spring magnets journal, October 1999

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Title: 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

Structural details and magnetic order of ${La}_{1 - x} {Sr}_{x} {CoO}_{3}$ $(x <~ 0.3)$
journal, January 1999

Considerations on Double Exchange
journal, October 1955

Transmission Electron Microscopy
book, January 2009

Unconventional switching behavior in La _0.7 Sr _0.3 MnO ₃ /La _0.7 Sr _0.3 CoO ₃ exchange-spring bilayers
journal, November 2014

Local Structure of ${La}_{1 - x} {Sr}_{x} {CoO}_{3}$ Determined from EXAFS and Neutron Pair Distribution Function Studies
journal, January 2009

Atomic level observation of octahedral distortions at the perovskite oxide heterointerface
journal, July 2013

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

Effect of Interfacial Octahedral Behavior in Ultrathin Manganite Films
journal, April 2014

Misfit strain accommodation in epitaxial $A B O_{3}$ perovskites: Lattice rotations and lattice modulations
journal, February 2011

Strain engineering to control the magnetic and magnetotransport properties of La0.67Sr0.33MnO3 thin films
journal, August 2010

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

Simple ways of determining perovskite structures
journal, November 1975

Magnetic correlation between La _0.7 Sr _0.3 MnO ₃ and La _0.7 Sr _0.3 CoO ₃ layers in artificial superlattices
journal, April 2013

New Magnetic Anisotropy
journal, June 1956

Control of the magnetic and magnetotransport properties of La0.67Sr0.33MnO3 thin films through epitaxial strain
journal, April 2008

Engineered Interface of Magnetic Oxides
journal, July 2004

Giant energy product in nanostructured two-phase magnets
journal, December 1993

Interface Physics in Complex Oxide Heterostructures
journal, March 2011

Magnetic anisotropy and strain states of (001) and (110) colossal magnetoresistance thin films
journal, October 2000

Crucial Role of the Lattice Distortion in the Magnetism of ${LaMnO}_{3}$
journal, June 1996

Engineered superlattices with crossover from decoupled to synthetic ferromagnetic behavior
journal, December 2017

Structural effects on the magnetic and transport properties of perovskite $A_{1 - x} A_{x}^{'} {MnO}_{3}$ ( $x = 0.25,$ 0.30)
journal, October 1997

Probing bonding and electronic structure at atomic resolution with spectroscopic imaging
journal, January 2012

Suppression of Octahedral Tilts and Associated Changes in Electronic Properties at Epitaxial Oxide Heterostructure Interfaces
journal, August 2010

Crystal Structure of the Mixed Oxides La0.7Sr0.3Co1−zMnzO3±y(0≤z≤1)
journal, February 1999

Metal–Insulator Transition and Crystal Structure of La1−xSrxCoO3as Functions of Sr-Content, Temperature, and Oxygen Partial Pressure
journal, February 1999

The exchange-spring magnet: a new material principle for permanent magnets
journal, July 1991

The classification of tilted octahedra in perovskites
journal, November 1972

Emergent phenomena at oxide interfaces
journal, January 2012

Colloquium : Emergent properties in plane view: Strong correlations at oxide interfaces
journal, October 2014

A high-mobility electron gas at the LaAlO3/SrTiO3 heterointerface
journal, January 2004

Control of Octahedral Tilts and Magnetic Properties of Perovskite Oxide Heterostructures by Substrate Symmetry
journal, November 2010

Thickness-dependent magnetic and electrical transport properties of epitaxial La _0.7 Sr _0.3 CoO ₃ films
journal, April 2017

Structural “ $δ$ Doping” to Control Local Magnetization in Isovalent Oxide Heterostructures
journal, November 2017

Glassy ferromagnetism and magnetic phase separation in ${La}_{1 - x} {Sr}_{x} {CoO}_{3}$
journal, May 2003

Insulator-metal transition and giant magnetoresistance in ${La}_{1 - x}$ ${Sr}_{x}$ ${MnO}_{3}$
journal, May 1995

Electronic and ionic transport properties and other physical aspects of perovskites
journal, September 2004

Exchange bias
journal, February 1999

Atomically resolved EELS mapping of the interfacial structure of epitaxially strained ${LaNiO}_{3} / {LaAlO}_{3}$ superlattices
journal, November 2014

Electron Energy-Loss Spectroscopy in the Electron Microscope
book, January 2011

Tuning interfacial exchange interactions via electronic reconstruction in transition-metal oxide heterostructures
journal, October 2016

Chemically Driven Nanoscopic Magnetic Phase Separation at the SrTiO3(001)/La1-xSrxCoO3 Interface
journal, April 2011

Interaction between the $d$ -Shells in the Transition Metals. II. Ferromagnetic Compounds of Manganese with Perovskite Structure
journal, May 1951

Hard/soft magnetic heterostructures: model exchange-spring magnets
journal, October 1999

Spatial control of functional properties via octahedral modulations in complex oxide superlattices
journal, December 2014

Strain-Induced Spin States in Atomically Ordered Cobaltites
journal, January 2012

Magnetic Oxide Heterostructures
journal, July 2014

Interrelation between Structure - Magnetic Properties in La _0.5 Sr _0.5 CoO ₃
journal, July 2014

Transmission Electron Microscopy
book, January 1996