Quantitative XRD Studies of ZnAl2O4 (Spinel) Synthesized by Sol‐Gel and Powder Methods

JOHN T. KELLER; DINESH K. AGRAWAL; HERBERT A. McKINSTRY

doi:10.1111/j.1551-2916.1988.tb00249.x

Quantitative XRD Studies of ZnAl₂O₄ (Spinel) Synthesized by Sol‐Gel and Powder Methods

JOHN T. KELLER, DINESH K. AGRAWAL, HERBERT A. McKINSTRY

Materials Research Institute (MRI)

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23 Scopus citations

Abstract

ZnAl₂O₄ spinel was prepared by both the sol‐gel method and by the solid‐state reaction technique. Physical properties of the product obtained by the two methods are compared. Sol‐gel‐derived ZnAl₂O₄ showed evidence of crystals at as low as 264°C. Quantitative X‐ray diffraction (XRD) methods utilizing the adiabatic principles of XRD analysis of mixtures were used to study the formation of ZnAl₂O₄ quantitatively. Data obtained in this investigation support the model that the diffusing species in the formation of ZnAl₂O₄ is a one‐way transfer of ZnO to Al₂O₃ particles as opposed to an interdiffusion of both ZnO and Al₂O₃. 1988 The American Ceramic Society

Original language	English (US)
Pages (from-to)	420-422
Number of pages	3
Journal	Advanced Ceramic Materials
Volume	3
Issue number	4
DOIs	https://doi.org/10.1111/j.1551-2916.1988.tb00249.x
State	Published - Jul 1988

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Materials Chemistry

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title = "Quantitative XRD Studies of ZnAl2O4 (Spinel) Synthesized by Sol‐Gel and Powder Methods",

abstract = "ZnAl2O4 spinel was prepared by both the sol‐gel method and by the solid‐state reaction technique. Physical properties of the product obtained by the two methods are compared. Sol‐gel‐derived ZnAl2O4 showed evidence of crystals at as low as 264°C. Quantitative X‐ray diffraction (XRD) methods utilizing the adiabatic principles of XRD analysis of mixtures were used to study the formation of ZnAl2O4 quantitatively. Data obtained in this investigation support the model that the diffusing species in the formation of ZnAl2O4 is a one‐way transfer of ZnO to Al2O3 particles as opposed to an interdiffusion of both ZnO and Al2O3. 1988 The American Ceramic Society",

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T1 - Quantitative XRD Studies of ZnAl2O4 (Spinel) Synthesized by Sol‐Gel and Powder Methods

AU - KELLER, JOHN T.

AU - AGRAWAL, DINESH K.

AU - McKINSTRY, HERBERT A.

PY - 1988/7

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N2 - ZnAl2O4 spinel was prepared by both the sol‐gel method and by the solid‐state reaction technique. Physical properties of the product obtained by the two methods are compared. Sol‐gel‐derived ZnAl2O4 showed evidence of crystals at as low as 264°C. Quantitative X‐ray diffraction (XRD) methods utilizing the adiabatic principles of XRD analysis of mixtures were used to study the formation of ZnAl2O4 quantitatively. Data obtained in this investigation support the model that the diffusing species in the formation of ZnAl2O4 is a one‐way transfer of ZnO to Al2O3 particles as opposed to an interdiffusion of both ZnO and Al2O3. 1988 The American Ceramic Society

AB - ZnAl2O4 spinel was prepared by both the sol‐gel method and by the solid‐state reaction technique. Physical properties of the product obtained by the two methods are compared. Sol‐gel‐derived ZnAl2O4 showed evidence of crystals at as low as 264°C. Quantitative X‐ray diffraction (XRD) methods utilizing the adiabatic principles of XRD analysis of mixtures were used to study the formation of ZnAl2O4 quantitatively. Data obtained in this investigation support the model that the diffusing species in the formation of ZnAl2O4 is a one‐way transfer of ZnO to Al2O3 particles as opposed to an interdiffusion of both ZnO and Al2O3. 1988 The American Ceramic Society

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Quantitative XRD Studies of ZnAl₂O₄ (Spinel) Synthesized by Sol‐Gel and Powder Methods

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