Structure and magnetism in LaCoO3

Belanger, David P.; Keiber, T.; Bridges, Frank; Durand, A. M.; Mehta, A.; Zheng, H.; Mitchell, J. F.; Borzenets, V.

doi:10.1088/0953-8984/28/2/025602

Title: Structure and magnetism in LaCoO₃

Journal Article · Fri Dec 11 00:00:00 EST 2015 · Journal of Physics. Condensed Matter

DOI:https://doi.org/10.1088/0953-8984/28/2/025602· OSTI ID:1339156

Belanger, David P. ^[1]; Keiber, T. ^[1]; Bridges, Frank ^[1]; Durand, A. M. ^[1]; Mehta, A. ^[2]; Zheng, H. ^[3]; Mitchell, J. F. ^[3]; Borzenets, V. ^[2]

Univ. of California, Santa Cruz, CA (United States). Dept. of Physics
SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource
Argonne National Lab. (ANL), Argonne, IL (United States). Materials Science Division

In this paper, the temperature dependence of the hexagonal lattice parameter c of single crystal LaCoO₃ (LCO) with H = 0 and 800 Oe, as well as LCO bulk powders with H = 0, was measured using high-resolution x-ray scattering near the transition temperature T_o ≈ 35 K. The change of c(T ) is well characterized by a power law in T – T_o for T > T_o and by a temperature independent constant for T < T_o when convoluted with a Gaussian function of width 8.5 K. Finally, this behavior is discussed in the context of the unusual magnetic behavior observed in LCO as well as recent generalized gradient approximation calculations.

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Research Organization:: Argonne National Lab. (ANL), Argonne, IL (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States); Univ. of California, Santa Cruz, CA (United States)

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

Grant/Contract Number:: AC02-76SF00515

OSTI ID:: 1339156

Journal Information:: Journal of Physics. Condensed Matter, Vol. 28, Issue 2; ISSN 0953-8984

Publisher:: IOP PublishingCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 6 works

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References (12)

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Structural, electronic, and magnetic properties of bulk and epitaxial ${LaCoO}_{3}$ through diffusion Monte Carlo Saritas, Kayahan; Krogel, Jaron T.; Okamoto, Satoshi Physical Review Materials, Vol. 3, Issue 12 https://doi.org/10.1103/physrevmaterials.3.124414	journal	December 2019

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