New tungsten pyrophosphate with cubic zirconium pyrophosphate-type structure

Z. S. Teweldemedhin, K. V. Ramanujachary, M. Greenblatt

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9 Scopus citations


Tungsten pyrophosphate, WP2O7, was prepared by reacting mixtures of (NH4)2HPO4, WO3 and W at 900 °C in an evacuated quartz tube. Powder X-ray diffraction study shows the compound to be isostructural with cubic zirconium pyrophosphate, ZrP2O7, with a = 7.947 (1) A ̊. The electrical resistivity of the compound at room temperature is in the Mega-Ohm region indicating insulating behavior. The magnetization study made on a pelletized sample shows a paramagnetic behavior similar to MoP2O7. The effective magnetic moment calculated in the temperature range 100-300 K is 2.4 BM.

Original languageEnglish (US)
Pages (from-to)427-434
Number of pages8
JournalMaterials Research Bulletin
Issue number5
StatePublished - May 1993
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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