Crystal growth and physical properties of ternary bismuth molybdenum oxides BixMoOy (x = 0.21, 0.25; y = 3 + δ)

Mingliang Tian, Lin Chen, Hisashi Sekine, Jingsheng Zhu, Yunhua Xu, Jing Shi, Zhiqiang Mao, Yuheng Zhang

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Abstract

Large purple-brown crystals of two reduced bismuth molybdenum oxides have been grown from the MoO3-Bi2O3 system by electrolytic reduction of the molten salts. The unit cell parameters and the compositions have been determined by X-ray diffraction and XPS microprobe analysis, respectively. The empirical formulae were refined to Bi0.25MoO3.1 and Bi0.21MoO3.2. Transport measurements (the resistivity and the thermoelectric power) showed that both crystals are semiconductors with p-type carriers, and the thermally activated energy gaps are respectively about 0.296 eV and 0.30 eV. The EPR spectra, the XPS core-level spectra and possible structural features were also considered.

Original languageEnglish (US)
Pages (from-to)25-29
Number of pages5
JournalJournal of Materials Science: Materials in Electronics
Volume9
Issue number1
DOIs
StatePublished - Jan 1 1998

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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