The unusual magnetism of nanoparticle LaCoO3

Durand, A. M.; Belanger, D. P.; Hamil, T. J.; Ye, F.; Chi, S.; Fernandez-Baca, J. A.; Booth, C. H.; Abdollahian, Y.; Bhat, M.

doi:10.1088/0953-8984/27/17/176003

Title: The unusual magnetism of nanoparticle LaCoO₃

Abstract

Bulk and nanoparticle powders of LaCoO3(LCO) were synthesized and their magnetic and structural properties were studied using SQUID magnetometry and neutron diffraction. The bulk and large nanoparticles exhibit weak ferromagnetism (FM) below T ≈ 85 K and a crossover from strong to weak antiferromagnetic (AFM) correlations near a transition expressed in the lattice parameters, To≈ 40 K. This crossover does not occur in the smallest nanoparticles; instead, the magnetic behavior is predominantly ferromagnetic. The amount of FM in the nanoparticles depends on the amount of Co3O4impurity phase, which induces tensile strain on the LCO lattice. A core-interface model is introduced, with the core region exhibiting the AFM crossover and with FM in the interface region near surfaces and impurity phases.

Authors:

Durand, A. M. ^[1]; Belanger, D. P. ^[1]; Hamil, T. J. ^[1]; Ye, F. ^[2]; Chi, S. ^[2]; Fernandez-Baca, J. A. ^[3]; Booth, C. H. ^[4]; Abdollahian, Y. ^[5]; Bhat, M. ^[6]

Univ. of California, Santa Cruz, CA (United States). Dept. of Physics
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Quantum Condensed Matter Division
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Quantum Condensed Matter Division; Univ. of Tennessee, Knoxville, TN (United States). Dept. of Physics and Astronomy
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Chemical Sciences Division
Univ. of California, Santa Cruz, CA (United States). Dept. of Chemistry
Castilleja School, Palo Alto, CA (United States)

Publication Date:: Wed Apr 15 00:00:00 EDT 2015

Research Org.:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). High Flux Isotope Reactor (HFIR); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

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

OSTI Identifier:: 1265484

Alternate Identifier(s):: OSTI ID: 1512189

Grant/Contract Number:: AC05-00OR22725; AC02-05CH11231

Resource Type:: Accepted Manuscript

Journal Name:: Journal of Physics. Condensed Matter

Additional Journal Information:: Journal Volume: 27; Journal Issue: 17; Journal ID: ISSN 0953-8984

Publisher:: IOP Publishing

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; 77 NANOSCIENCE AND NANOTECHNOLOGY

Citation Formats


                    Durand, A. M., Belanger, D. P., Hamil, T. J., Ye, F., Chi, S., Fernandez-Baca, J. A., Booth, C. H., Abdollahian, Y., and Bhat, M. The unusual magnetism of nanoparticle LaCoO3.  United States: N. p., 2015. 
Web.  doi:10.1088/0953-8984/27/17/176003.

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                    Durand, A. M., Belanger, D. P., Hamil, T. J., Ye, F., Chi, S., Fernandez-Baca, J. A., Booth, C. H., Abdollahian, Y., & Bhat, M. The unusual magnetism of nanoparticle LaCoO3.  United States.  https://doi.org/10.1088/0953-8984/27/17/176003

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                    Durand, A. M., Belanger, D. P., Hamil, T. J., Ye, F., Chi, S., Fernandez-Baca, J. A., Booth, C. H., Abdollahian, Y., and Bhat, M. Wed .  
"The unusual magnetism of nanoparticle LaCoO3".  United States.  https://doi.org/10.1088/0953-8984/27/17/176003.  https://www.osti.gov/servlets/purl/1265484.

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@article{osti_1265484,

  title        = {The unusual magnetism of nanoparticle LaCoO3},

  author       = {Durand, A. M. and Belanger, D. P. and Hamil, T. J. and Ye, F. and Chi, S. and Fernandez-Baca, J. A. and Booth, C. H. and Abdollahian, Y. and Bhat, M.},

  abstractNote = {Bulk and nanoparticle powders of LaCoO3(LCO) were synthesized and their magnetic and structural properties were studied using SQUID magnetometry and neutron diffraction. The bulk and large nanoparticles exhibit weak ferromagnetism (FM) below T ≈ 85 K and a crossover from strong to weak antiferromagnetic (AFM) correlations near a transition expressed in the lattice parameters, To≈ 40 K. This crossover does not occur in the smallest nanoparticles; instead, the magnetic behavior is predominantly ferromagnetic. The amount of FM in the nanoparticles depends on the amount of Co3O4impurity phase, which induces tensile strain on the LCO lattice. A core-interface model is introduced, with the core region exhibiting the AFM crossover and with FM in the interface region near surfaces and impurity phases.},

  doi          = {10.1088/0953-8984/27/17/176003},

  journal      = {Journal of Physics. Condensed Matter},

  number       = 17,

  volume       = 27,

  place        = {United States},

  year         = {Wed Apr 15 00:00:00 EDT 2015},

  month        = {Wed Apr 15 00:00:00 EDT 2015}

}

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Works referencing / citing this record:

Role of entropy and structural parameters in the spin-state transition of ${LaCoO}_{3}$
journal, November 2017

Chakrabarti, Bismayan; Birol, Turan; Haule, Kristjan
Physical Review Materials, Vol. 1, Issue 6
DOI: 10.1103/physrevmaterials.1.064403

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Title: The unusual magnetism of nanoparticle LaCoO3

Abstract

Citation Formats

Rotation-reversal symmetries in crystals and handed structures journal, April 2011

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

Strain-induced ferromagnetism in LaCoO3: Theory and growth on Si (100) journal, July 2011

Simple polymer assisted deposition and strain-induced ferromagnetism of LaCoO3 epitaxial thin films journal, July 2013

Size-Dependent Structural and Magnetic Properties of LaCoO 3 Nanoparticles journal, July 2009

Size effects on the magnetic properties of LaCoO 3 nanoparticles journal, February 2012

Microscopic evidence of a strain-enhanced ferromagnetic state in LaCoO3 thin films journal, August 2009

Magnetism and phase transitions in LaCoO 3 journal, August 2013

Correlation of local Jahn-Teller distortions to the magnetic/conductive states of La 1 − x Sr x CoO 3 journal, October 1999

Voltage-controlled ferromagnetism and magnetoresistance in LaCoO 3 /SrTiO 3 heterostructures journal, November 2013

Local atomic and electronic structures of epitaxial strained LaCoO 3 thin films journal, January 2012

Electronic structure, phase stability, and magnetic properties of La 1 − x Sr x CoO 3 from first-principles full-potential calculations journal, December 1999

Study of the local distortions of the perovskite system La 1 − x Sr x CoO 3 ( 0 ≤ x ≤ 0.35 ) using the extended x-ray absorption fine structure technique journal, October 2009

Size- and pressure-controlled ferromagnetism in LaCoO 3 nanoparticles journal, June 2008

Ferromagnetism in La Co O 3 journal, July 2004

Ferromagnetism at the surface of a La Co O 3 single crystal observed using scanning SQUID microscopy journal, May 2007

Tuning the magnetic properties of La Co O 3 thin films by epitaxial strain journal, January 2008

Suppression of the ferromagnetic state in LaCoO 3 films by rhombohedral distortion journal, January 2009

Reversible strain effect on the magnetization of LaCoO 3 films journal, March 2009

Local matrix-cluster interactions in a phase separated perovskite journal, September 2006

Phase Transitions and Static Spin Correlations in Ising Models with Free Surfaces journal, November 1972

Surface effects on magnetic phase transitions journal, March 1974

Strain-driven spin-state transition and superexchange interaction in LaCoO 3 : A b initio study journal, July 2012

Surface effects on magnetic phase transitions journal, November 1973

Role of entropy and structural parameters in the spin-state transition of LaCoO 3 journal, November 2017

Title: The unusual magnetism of nanoparticle LaCoO₃

Rotation-reversal symmetries in crystals and handed structures
journal, April 2011

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

Strain-induced ferromagnetism in LaCoO3: Theory and growth on Si (100)
journal, July 2011

Simple polymer assisted deposition and strain-induced ferromagnetism of LaCoO3 epitaxial thin films
journal, July 2013

Size-Dependent Structural and Magnetic Properties of LaCoO ₃ Nanoparticles
journal, July 2009

Size effects on the magnetic properties of LaCoO ₃ nanoparticles
journal, February 2012

Microscopic evidence of a strain-enhanced ferromagnetic state in LaCoO3 thin films
journal, August 2009

Magnetism and phase transitions in LaCoO ₃
journal, August 2013

Correlation of local Jahn-Teller distortions to the magnetic/conductive states of ${La}_{1 - x} {Sr}_{x} {CoO}_{3}$
journal, October 1999

Voltage-controlled ferromagnetism and magnetoresistance in LaCoO ₃ /SrTiO ₃ heterostructures
journal, November 2013

Local atomic and electronic structures of epitaxial strained LaCoO $_{3}$ thin films
journal, January 2012

Electronic structure, phase stability, and magnetic properties of ${La}_{1 - x} {Sr}_{x} {CoO}_{3}$ from first-principles full-potential calculations
journal, December 1999

Study of the local distortions of the perovskite system ${La}_{1 - x} {Sr}_{x} {CoO}_{3}$ $(0 \leq x \leq 0.35)$ using the extended x-ray absorption fine structure technique
journal, October 2009

Size- and pressure-controlled ferromagnetism in ${LaCoO}_{3}$ nanoparticles
journal, June 2008

Ferromagnetism in $La Co O_{3}$
journal, July 2004

Ferromagnetism at the surface of a $La Co O_{3}$ single crystal observed using scanning SQUID microscopy
journal, May 2007

Tuning the magnetic properties of $La Co O_{3}$ thin films by epitaxial strain
journal, January 2008

Suppression of the ferromagnetic state in ${LaCoO}_{3}$ films by rhombohedral distortion
journal, January 2009

Reversible strain effect on the magnetization of ${LaCoO}_{3}$ films
journal, March 2009

Local matrix-cluster interactions in a phase separated perovskite
journal, September 2006

Phase Transitions and Static Spin Correlations in Ising Models with Free Surfaces
journal, November 1972

Surface effects on magnetic phase transitions
journal, March 1974

Strain-driven spin-state transition and superexchange interaction in LaCoO $_{3}$ : $A b$ initio study
journal, July 2012

Surface effects on magnetic phase transitions
journal, November 1973

Role of entropy and structural parameters in the spin-state transition of ${LaCoO}_{3}$
journal, November 2017