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Crystallographic investigation of scheelite- and wolframite-type molybdates.

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Title: Crystallographic investigation of scheelite- and wolframite-type molybdates.
Authors: Patnaik, Manaswita1 (AUTHOR), Yadav, Pritam1 (AUTHOR), Yadav, Ashok Kumar2 (AUTHOR), Rout, Ela1 (AUTHOR) elasinha@bitmesra.ac.in
Source: Ceramics International. Sep2025:Part A, Vol. 51 Issue 21, p33502-33515. 14p.
Subjects: Extended X-ray absorption fine structure, Chemical stability, Molybdenum oxides, Rietveld refinement, Raman spectroscopy
Abstract: Molybdenum oxides of the form AMoO 4 are increasingly utilized in scientific and technological domains due to their affordability, durability, low toxicity, high thermal and chemical stability, and strong photoluminescence and fluorescent properties. Their performance is closely linked to their crystal structure. In this study, selective AMoO 4 (A = Ba, Sr, Ca, Zn, Cu and Mg) ceramics were synthesized through solid-state reaction method. Structural analyses via X-ray diffraction with Rietveld refinement, Fourier-transform infrared and Raman spectroscopy confirmed distinct crystal structures: scheelite tetragonal for SrMoO 4 , BaMoO 4 and CaMoO 4 ; wolframite triclinic for ZnMoO 4 and CuMoO 4 ; and monoclinic for MgMoO 4 ceramic. Additionally, Normalized X-ray Absorption Near Edge Structure spectra at the Mo K-edge provided insights into the oxidation states and local symmetry around molybdenum atoms. The Extended X-ray Absorption Fine Structure analysis at both the Mo K-edge and the respective A absorption edges revealed detailed information about local atomic environments and bond lengths corresponding to various coordination numbers for each AMoO 4 ceramic. The consistency across all structural investigations underscores the reliability of these findings, enhancing our understanding of molybdenum oxides' structural properties. [ABSTRACT FROM AUTHOR]
Copyright of Ceramics International is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
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  Data: Crystallographic investigation of scheelite- and wolframite-type molybdates.
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  Data: <searchLink fieldCode="AR" term="%22Patnaik%2C+Manaswita%22">Patnaik, Manaswita</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yadav%2C+Pritam%22">Yadav, Pritam</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yadav%2C+Ashok+Kumar%22">Yadav, Ashok Kumar</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Rout%2C+Ela%22">Rout, Ela</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> elasinha@bitmesra.ac.in</i>
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  Data: <searchLink fieldCode="JN" term="%22Ceramics+International%22">Ceramics International</searchLink>. Sep2025:Part A, Vol. 51 Issue 21, p33502-33515. 14p.
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  Data: <searchLink fieldCode="DE" term="%22Extended+X-ray+absorption+fine+structure%22">Extended X-ray absorption fine structure</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+stability%22">Chemical stability</searchLink><br /><searchLink fieldCode="DE" term="%22Molybdenum+oxides%22">Molybdenum oxides</searchLink><br /><searchLink fieldCode="DE" term="%22Rietveld+refinement%22">Rietveld refinement</searchLink><br /><searchLink fieldCode="DE" term="%22Raman+spectroscopy%22">Raman spectroscopy</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Molybdenum oxides of the form AMoO 4 are increasingly utilized in scientific and technological domains due to their affordability, durability, low toxicity, high thermal and chemical stability, and strong photoluminescence and fluorescent properties. Their performance is closely linked to their crystal structure. In this study, selective AMoO 4 (A = Ba, Sr, Ca, Zn, Cu and Mg) ceramics were synthesized through solid-state reaction method. Structural analyses via X-ray diffraction with Rietveld refinement, Fourier-transform infrared and Raman spectroscopy confirmed distinct crystal structures: scheelite tetragonal for SrMoO 4 , BaMoO 4 and CaMoO 4 ; wolframite triclinic for ZnMoO 4 and CuMoO 4 ; and monoclinic for MgMoO 4 ceramic. Additionally, Normalized X-ray Absorption Near Edge Structure spectra at the Mo K-edge provided insights into the oxidation states and local symmetry around molybdenum atoms. The Extended X-ray Absorption Fine Structure analysis at both the Mo K-edge and the respective A absorption edges revealed detailed information about local atomic environments and bond lengths corresponding to various coordination numbers for each AMoO 4 ceramic. The consistency across all structural investigations underscores the reliability of these findings, enhancing our understanding of molybdenum oxides' structural properties. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Ceramics International is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.ceramint.2025.05.081
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        Text: English
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      – SubjectFull: Chemical stability
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      – SubjectFull: Molybdenum oxides
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      – SubjectFull: Rietveld refinement
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      – SubjectFull: Raman spectroscopy
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      – TitleFull: Crystallographic investigation of scheelite- and wolframite-type molybdates.
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              M: 09
              Text: Sep2025:Part A
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              Y: 2025
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