Improved synthesis and characterization of the copper Lyonsite-type compound Cu4-xMo3O12

Adam D. Raw, James A. Ibers, Kenneth R Poeppelmeier

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A novel method involving a molten Ga flux for the synthesis of diffraction quality crystals of the compound Cu3.82(1)Mo3O 12, a copper molybdate in the Lyonsite (α-Cu3Fe 4(VO4)6) family, has been developed. Single-crystal X-ray diffraction data have been collected. Cu 3.82(1)Mo3O12 crystallizes in the space group P212121 with cell dimensions of a=4.9972(1) Å, b=11.0259(3) Å, and c=17.4912(5) Å. Refinement of the resulting structure has enabled modeling of disorder in the channels of the structure and has indicated the localization of copper vacancies to these channel positions. Thermopower measurements indicate that Cu 3.82(1)Mo3O12 is a rare and interesting example of a cation-deficient n-type material.

Original languageEnglish
Pages (from-to)165-169
Number of pages5
JournalJournal of Solid State Chemistry
Volume200
DOIs
Publication statusPublished - Apr 2013

Fingerprint

Copper
copper
molybdates
Thermoelectric power
synthesis
diffraction
Vacancies
Cations
Molten materials
Diffraction
Positive ions
Single crystals
disorders
Fluxes
cations
X ray diffraction
Crystals
single crystals
cells
crystals

Keywords

  • Copper molybdate
  • Ga flux synthesis
  • Lyonsite
  • Thermopower measurements
  • X-ray crystal structure

ASJC Scopus subject areas

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

Cite this

Improved synthesis and characterization of the copper Lyonsite-type compound Cu4-xMo3O12 . / Raw, Adam D.; Ibers, James A.; Poeppelmeier, Kenneth R.

In: Journal of Solid State Chemistry, Vol. 200, 04.2013, p. 165-169.

Research output: Contribution to journalArticle

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N2 - A novel method involving a molten Ga flux for the synthesis of diffraction quality crystals of the compound Cu3.82(1)Mo3O 12, a copper molybdate in the Lyonsite (α-Cu3Fe 4(VO4)6) family, has been developed. Single-crystal X-ray diffraction data have been collected. Cu 3.82(1)Mo3O12 crystallizes in the space group P212121 with cell dimensions of a=4.9972(1) Å, b=11.0259(3) Å, and c=17.4912(5) Å. Refinement of the resulting structure has enabled modeling of disorder in the channels of the structure and has indicated the localization of copper vacancies to these channel positions. Thermopower measurements indicate that Cu 3.82(1)Mo3O12 is a rare and interesting example of a cation-deficient n-type material.

AB - A novel method involving a molten Ga flux for the synthesis of diffraction quality crystals of the compound Cu3.82(1)Mo3O 12, a copper molybdate in the Lyonsite (α-Cu3Fe 4(VO4)6) family, has been developed. Single-crystal X-ray diffraction data have been collected. Cu 3.82(1)Mo3O12 crystallizes in the space group P212121 with cell dimensions of a=4.9972(1) Å, b=11.0259(3) Å, and c=17.4912(5) Å. Refinement of the resulting structure has enabled modeling of disorder in the channels of the structure and has indicated the localization of copper vacancies to these channel positions. Thermopower measurements indicate that Cu 3.82(1)Mo3O12 is a rare and interesting example of a cation-deficient n-type material.

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