Synthesis and characterization of Ag5-xPb2O6-δ

Kouta Iwasaki, Hisanori Yamane, Shunichi Kubota, Junichi Takahashi, Yuzuru Miyazaki, Tsuyoshi Kajitani, Kensuke Nakajima, Tsutomu Yamashita, Masahiko Shimada

研究成果: Article査読

8 被引用数 (Scopus)

抄録

Ag4.64Pb2O5.87, a silver and oxygen defects phase of Ag5Pb2O6, was prepared by solid state reaction of Ag2O and PbO at 773 K in O2 of 1.2 MPa. The crystal structure was analyzed by the Rietveld method using X-ray powder diffraction data. The c-axis length changed from 6.427 to 6.433 Å in 0.25<x<0.50 while the a-axis length was almost constant around 5.942 Å. Ag4.64Pb2O5.87 exhibited metallic temperature dependence of electrical resistivity in the temperature range of 10-400 K. The value of the resistivity was in the order of 10-4 Ωcm. The Seebeck coefficient ranged from -4 to 0 μV/K below 300 K, which revealed that the main conductive carrier is electron. Diamagnetism of the order of 10-7 emu/g was measured at 5-350 K.

本文言語English
ページ(範囲)263-268
ページ数6
ジャーナルPhysica C: Superconductivity and its applications
382
2-3
DOI
出版ステータスPublished - 2002 11 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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