Anisotropic domains and antiferrodistortive-transition controlled magnetization in epitaxial manganite films on vicinal SrTiO3 substrates

Paudel, Binod; Zhang, Bruce; Sharma, Yogesh; Kang, Kyeong Tae; Nakotte, Heinrich; Wang, Haiyan; Chen, Aiping

doi:10.1063/5.0016371

Title: Anisotropic domains and antiferrodistortive-transition controlled magnetization in epitaxial manganite films on vicinal SrTiO₃ substrates

Abstract

We studied the microstructural evolution and magnetism of ferroelastic La_0.9Sr_0.1MnO₃ (LSMO) epitaxial thin films grown on SrTiO₃ (001) substrates with different miscut angles. The substrate miscut angle plays a critical role in controlling the in-plane magnetic anisotropy. The microscopic origin of such magnetic anisotropy is attributed to the formation of anisotropic stripe domains along the surface step terraces. The magnetization in the LSMO films was found to be selectively modulated by the antiferrodistortive phase transition of the SrTiO₃ substrate. This phenomenon has been qualitatively explained by a strain modified Stoner–Wohlfarth model. We conclude that the magnetization modulation by the SrTiO₃ phase transition depends on h, the ratio of applied magnetic field to the saturation field. Such modulation is only visible with h < 1. The established domain microstructure–anisotropy–magnetism correlation in manganite films can be applied to a variety of complex oxide thin films on vicinal substrates.

Authors:

Paudel, Binod ^[1];

^[2];

^[3];

^[3]; Nakotte, Heinrich ^[4];

^[5];

^[3]

Los Alamos National Lab. (LANL), Los Alamos, NM (United States); New Mexico State Univ., Las Cruces, NM (United States)
Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Purdue Univ., West Lafayette, IN (United States)
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
New Mexico State Univ., Las Cruces, NM (United States)
Purdue Univ., West Lafayette, IN (United States)

Publication Date:: Tue Aug 25 00:00:00 EDT 2020

Research Org.:: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE National Nuclear Security Administration (NNSA); USDOE Laboratory Directed Research and Development (LDRD) Program; National Science Foundation (NSF)

OSTI Identifier:: 1699497

Alternate Identifier(s):: OSTI ID: 1650405

Report Number(s):: LA-UR-20-28257
Journal ID: ISSN 0003-6951; TRN: US2204876

Grant/Contract Number:: 89233218CNA000001; DMR-1902644

Resource Type:: Accepted Manuscript

Journal Name:: Applied Physics Letters

Additional Journal Information:: Journal Volume: 117; Journal Issue: 8; Journal ID: ISSN 0003-6951

Publisher:: American Institute of Physics (AIP)

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; Material Science

Citation Formats


                    Paudel, Binod, Zhang, Bruce, Sharma, Yogesh, Kang, Kyeong Tae, Nakotte, Heinrich, Wang, Haiyan, and Chen, Aiping. Anisotropic domains and antiferrodistortive-transition controlled magnetization in epitaxial manganite films on vicinal SrTiO3 substrates.  United States: N. p., 2020. 
Web.  doi:10.1063/5.0016371.

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                    Paudel, Binod, Zhang, Bruce, Sharma, Yogesh, Kang, Kyeong Tae, Nakotte, Heinrich, Wang, Haiyan, & Chen, Aiping. Anisotropic domains and antiferrodistortive-transition controlled magnetization in epitaxial manganite films on vicinal SrTiO3 substrates.  United States.  https://doi.org/10.1063/5.0016371

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                    Paudel, Binod, Zhang, Bruce, Sharma, Yogesh, Kang, Kyeong Tae, Nakotte, Heinrich, Wang, Haiyan, and Chen, Aiping. Tue .  
"Anisotropic domains and antiferrodistortive-transition controlled magnetization in epitaxial manganite films on vicinal SrTiO3 substrates".  United States.  https://doi.org/10.1063/5.0016371.  https://www.osti.gov/servlets/purl/1699497.

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@article{osti_1699497,

  title        = {Anisotropic domains and antiferrodistortive-transition controlled magnetization in epitaxial manganite films on vicinal SrTiO3 substrates},

  author       = {Paudel, Binod and Zhang, Bruce and Sharma, Yogesh and Kang, Kyeong Tae and Nakotte, Heinrich and Wang, Haiyan and Chen, Aiping},

  abstractNote = {We studied the microstructural evolution and magnetism of ferroelastic La0.9Sr0.1MnO3 (LSMO) epitaxial thin films grown on SrTiO3 (001) substrates with different miscut angles. The substrate miscut angle plays a critical role in controlling the in-plane magnetic anisotropy. The microscopic origin of such magnetic anisotropy is attributed to the formation of anisotropic stripe domains along the surface step terraces. The magnetization in the LSMO films was found to be selectively modulated by the antiferrodistortive phase transition of the SrTiO3 substrate. This phenomenon has been qualitatively explained by a strain modified Stoner–Wohlfarth model. We conclude that the magnetization modulation by the SrTiO3 phase transition depends on h, the ratio of applied magnetic field to the saturation field. Such modulation is only visible with h < 1. The established domain microstructure–anisotropy–magnetism correlation in manganite films can be applied to a variety of complex oxide thin films on vicinal substrates.},

  doi          = {10.1063/5.0016371},

  journal      = {Applied Physics Letters},

  number       = 8,

  volume       = 117,

  place        = {United States},

  year         = {Tue Aug 25 00:00:00 EDT 2020},

  month        = {Tue Aug 25 00:00:00 EDT 2020}

}

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Title: Anisotropic domains and antiferrodistortive-transition controlled magnetization in epitaxial manganite films on vicinal SrTiO3 substrates

Abstract

Citation Formats

Periodic microtwinning as a possible mechanism for the accommodation of the epitaxial film-substrate mismatch in the La 1−x Sr x MnO 3 /SrTiO 3 system journal, April 2001

Uniaxial contribution to the magnetic anisotropy of La0.67Sr0.33MnO3 thin films induced by orthorhombic crystal structure journal, November 2011

The Stoner–Wohlfarth model of ferromagnetism journal, March 2008

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Unravelling the effect of SrTiO 3 antiferrodistortive phase transition on the magnetic properties of La 0.7 Sr 0.3 MnO 3 thin films journal, October 2014

Thickness evolution of the twin structure and shear strain in LSMO films journal, January 2013

Domain structure of epitaxial SrRu O 3 thin films journal, May 2005

Thickness dependence of microstructure in thin La 0.7 Sr 0.3 MnO 3 films grown on (1 0 0) SrTiO 3 substrate journal, September 2017

Influence of miscut on the anisotropic magnetoresistance of magnetite thin films journal, April 2009

Single [101]-oriented growth of La0.9Sr0.1MnO3 films on vicinal SrTiO3(001) substrates journal, February 2006

Magnetization reversal in half metallic La 0.7 Sr 0.3 MnO 3 films grown onto vicinal surfaces journal, April 2011

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Step-induced uniaxial magnetic anisotropy of La0:67Sr0:33MnO3 thin films journal, December 2005

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Direct Magneto-Optical Observation of a Structural Phase Transition in Thin Films of Manganites journal, March 2000

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Tailored surfaces of perovskite oxide substrates for conducted growth of thin films journal, January 2014

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Title: Anisotropic domains and antiferrodistortive-transition controlled magnetization in epitaxial manganite films on vicinal SrTiO₃ substrates

Periodic microtwinning as a possible mechanism for the accommodation of the epitaxial film-substrate mismatch in the La _1−x Sr x MnO ₃ /SrTiO ₃ system
journal, April 2001

Uniaxial contribution to the magnetic anisotropy of La0.67Sr0.33MnO3 thin films induced by orthorhombic crystal structure
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journal, March 2008

Stress and defect induced enhanced low field magnetoresistance and dielectric constant in La0.7Sr0.3MnO3 thin films
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journal, October 2014

Thickness evolution of the twin structure and shear strain in LSMO films
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Domain structure of epitaxial $SrRu O_{3}$ thin films
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Thickness dependence of microstructure in thin La _0.7 Sr _0.3 MnO ₃ films grown on (1 0 0) SrTiO ₃ substrate
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Influence of miscut on the anisotropic magnetoresistance of magnetite thin films
journal, April 2009

Single [101]-oriented growth of La0.9Sr0.1MnO3 films on vicinal SrTiO3(001) substrates
journal, February 2006

Magnetization reversal in half metallic La _0.7 Sr _0.3 MnO ₃ films grown onto vicinal surfaces
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Angular dependences of the switching field and coercivity for magnetic multilayer films with strain caused by lattice mismatch
journal, January 2011

Effect of biaxial strain on the electrical and magnetic properties of (001) La0.7Sr0.3MnO3 thin films
journal, September 2009

Surface and step magnetic anisotropy
journal, June 1994

Observing a previously hidden structural-phase transition onset through heteroepitaxial cap response
journal, February 2019

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journal, January 2018

Moiré engineering of electronic phenomena in correlated oxides
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journal, December 2005

Vertical boundary at $x \approx 0.11$ in the structural phase diagram of the ${La}_{1 - x} {Sr}_{x} {MnO}_{3}$ system $(0.08 <~ x <~ 0.125)$
journal, June 2001

Direct Magneto-Optical Observation of a Structural Phase Transition in Thin Films of Manganites
journal, March 2000

Uniaxial magnetic anisotropy and magnetic switching in La0.67Sr0.33MnO3 thin films grown on vicinal SrTiO3(100)
journal, May 2003

Correlation of structural phase transition and electrical transport properties of manganite films on ${SrTiO}_{3}$
journal, November 2008

Hidden Interface Driven Exchange Coupling in Oxide Heterostructures
journal, May 2017

Coupled magnetic and structural transitions in La _0.7 Sr _0.3 MnO ₃ films on SrTiO ₃
journal, June 2008

Growth mechanisms of epitaxial metallic oxide SrRuO3 thin films studied by scanning tunneling microscopy
journal, September 1997

Orientation and thickness dependence of magnetization at the interfaces of highly spin-polarized manganite thin films
journal, March 2009

Delicate competing electronic states in ultrathin manganite films
journal, February 2017

Tailored surfaces of perovskite oxide substrates for conducted growth of thin films
journal, January 2014

In-plane structural order of domain engineered La _0.7 Sr _0.3 MnO ₃ thin films
journal, May 2013

Twinned microstructure of La _{1— x} Sr _x MnO ₃ solid solutions
journal, January 2000

Strain vs. charge mediated magnetoelectric coupling across the magnetic oxide/ferroelectric interfaces
journal, January 2019

Rotational hysteresis model for stressed ferromagnetic films
journal, January 1997

Role of scaffold network in controlling strain and functionalities of nanocomposite films
journal, June 2016

Metal Oxide Nanocomposites: A Perspective from Strain, Defect, and Interface
journal, October 2018

Effect of atomic steps on the magnetic anisotropy in vicinal Co/Cu(001)
journal, September 1998

Domain Engineering for Enhanced Ferroelectric Properties of Epitaxial (001) BiFeO Thin Films
journal, February 2009

Nanoscale ferroelastic twins formed in strained LaCoO ₃ films
journal, March 2019

Atomic-scale control of magnetic anisotropy via novel spin–orbit coupling effect in La _2/3 Sr _1/3 MnO ₃ /SrIrO ₃ superlattices
journal, May 2016