Characterization of Pb-Bi-Sr-Ca-Cu-O High-Tc Phase

Yasunori Ikeda, Hiroyuki Ito, Zenji Hiroi, Mikio Takano, Hitoshi Kitaguchi, Jun Takada, Kiichi Oda, Yoshinari Miura, Yasuo Takeda, Hiromasa Mazaki

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


The preparation and characterization of Pb0.18Bi0.93Ca1.02Sr1.02Cu1.6Ox, a lead-rich high-Tc phase, were studied (T(ρ=0)=105K). This compound crystallized in a pseudotetrag onal sturucture with at=0.541nm and ct=3.709nm, while a unique one-dimensional modulation with a wavelength of 4.7nm (≒8.7b) was found along the b axis using transmission electron microscopy. This phase is not stabilized at lower temperature in air. It decomposes to the lead-free (or poor) high-Tc phase crystallizing in the convetional modulated structure 2.7nm(≒5b).

Original languageEnglish
Pages (from-to)965-969
Number of pages5
JournalJournal of the Japan Society of Powder and Powder Metallurgy
Issue number9
Publication statusPublished - 1988

ASJC Scopus subject areas

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Metals and Alloys
  • Materials Chemistry


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