Electrochemical crystal growth and properties in Ln2O3–MnO–CoO (Ln=La, Ho) system

Shirvaev, S.V.; Бычков, Г. Л.; Barilo, S. N.; Ustinovich, S. N.; Podlesnyak, A.; Баран, М.; Szymcżak, R.; Furrer, Antonia

doi:10.1016/j.jcrysgro.2004.11.088

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Crystal Growth and Characterization1

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2006

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“…Single crystals of LaCoO 3 were grown using an anodic electro-deposition technique [22] modified to use seeded flux melt growth based on a solvent consisting of a Cs 2 MoO 4 -MoO 3 mixture in the ratio 2.2 : 1 [23]. The material from which the crystals were to be grown was placed in a 100 cm 3 platinum crucible and an appropriate amount of the solvent added; a seed crystal served as the anode and the crucible itself as the cathode of the two-electrode electrochemical cell.…”

Section: Crystal Growth and Characterizationmentioning

confidence: 99%

Thermal excitation of the Co³⁺triplet spin-state in LaCoO₃determined by polarized neutron diffraction

Plakhty

Brown

Grenier

et al. 2006

J. Phys.: Condens. Matter

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The magnetic moment induced by an external magnetic field of 5.8 T on the Co 3+ ions in LaCoO 3 has been measured by polarized neutron diffraction. Measurements were made at 100 K, near to the spin-state transition, at 1.5 K and at 285 K. The data give evidence for a transition from the ground singlet state (S = 0) to the excited triplet intermediate spin state (S = 1). The energy of 1000 H ≈ ∆ K estimated for the high-spin (S =2) state, is too high to contribute significantly even at T = 285 K. There is evidence for a small negative covalent spin density associated with the oxygen ligands amounting to about one fifth of the aligned Co 3+ moment at all three temperatures.

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Section: Crystal Growth and Characterizationmentioning

confidence: 99%

Thermal excitation of the Co³⁺triplet spin-state in LaCoO₃determined by polarized neutron diffraction

Plakhty

Brown

Grenier

et al. 2006

J. Phys.: Condens. Matter

View full text Add to dashboard Cite

show abstract

Electrochemical crystal growth and properties in Ln2O3–MnO–CoO (Ln=La, Ho) system

Cited by 1 publication

References 8 publications

Thermal excitation of the Co³⁺triplet spin-state in LaCoO₃determined by polarized neutron diffraction

Thermal excitation of the Co³⁺triplet spin-state in LaCoO₃determined by polarized neutron diffraction

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Electrochemical crystal growth and properties in Ln2O3–MnO–CoO (Ln=La, Ho) system

Cited by 1 publication

References 8 publications

Thermal excitation of the Co3+triplet spin-state in LaCoO3determined by polarized neutron diffraction

Thermal excitation of the Co3+triplet spin-state in LaCoO3determined by polarized neutron diffraction

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Thermal excitation of the Co³⁺triplet spin-state in LaCoO₃determined by polarized neutron diffraction

Thermal excitation of the Co³⁺triplet spin-state in LaCoO₃determined by polarized neutron diffraction