Stability of two cobalt titanate defect spinels

John P. Sharples; Alexandra Navrotsky

doi:10.1016/0022-4596(75)90187-5

Stability of two cobalt titanate defect spinels

John P. Sharples, Alexandra Navrotsky

Molecular Sciences, School of (SMS)

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Preparation of the defect spinels Ti₃□Co₂O₈ and Ti₄□Co₄O₁₂ was attempted by solid state exchange reactions. Ti₄□Co₄O₁₂ was successfully synthesized but attempts at preparing pure Ti₃□Co₂O₈ were unsuccessful, The enthalpy of transformation of 1 4Ti₄□Co₄O₁₂ to CoTiO₃ (ilmenite) was determined by calorimetry, ΔH°₂₉₈ = -1.7 ± 1.0 kcal/mole.

Original language	English (US)
Pages (from-to)	122-126
Number of pages	5
Journal	Journal of Solid State Chemistry
Volume	12
Issue number	1-2
DOIs	https://doi.org/10.1016/0022-4596(75)90187-5
State	Published - Jan 1 1975

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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title = "Stability of two cobalt titanate defect spinels",

abstract = "Preparation of the defect spinels Ti3□Co2O8 and Ti4□Co4O12 was attempted by solid state exchange reactions. Ti4□Co4O12 was successfully synthesized but attempts at preparing pure Ti3□Co2O8 were unsuccessful, The enthalpy of transformation of 1 4Ti4□Co4O12 to CoTiO3 (ilmenite) was determined by calorimetry, ΔH°298 = -1.7 ± 1.0 kcal/mole.",

author = "Sharples, {John P.} and Alexandra Navrotsky",

year = "1975",

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AU - Sharples, John P.

AU - Navrotsky, Alexandra

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Y1 - 1975/1/1

N2 - Preparation of the defect spinels Ti3□Co2O8 and Ti4□Co4O12 was attempted by solid state exchange reactions. Ti4□Co4O12 was successfully synthesized but attempts at preparing pure Ti3□Co2O8 were unsuccessful, The enthalpy of transformation of 1 4Ti4□Co4O12 to CoTiO3 (ilmenite) was determined by calorimetry, ΔH°298 = -1.7 ± 1.0 kcal/mole.

AB - Preparation of the defect spinels Ti3□Co2O8 and Ti4□Co4O12 was attempted by solid state exchange reactions. Ti4□Co4O12 was successfully synthesized but attempts at preparing pure Ti3□Co2O8 were unsuccessful, The enthalpy of transformation of 1 4Ti4□Co4O12 to CoTiO3 (ilmenite) was determined by calorimetry, ΔH°298 = -1.7 ± 1.0 kcal/mole.

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ER -

Stability of two cobalt titanate defect spinels

Abstract

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