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The high-pressure synthesis and characterization of some praseodymium-substituted rare-earth based R2Ba4Cu7O14+δ (R = Nd, Sm, Eu, Gd, Ho, Tm)

✍ Scribed by Teng-Ming Chen; Yu-Liang Lai; F.S. Kao

Book ID
108465947
Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
150 KB
Volume
282-287
Category
Article
ISSN
0921-4534

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The High-Pressure Synthesis and Characte
The High-Pressure Synthesis and Characterization of Some Praseodymium-Substituted Rare-Earth-BasedR2Ba4Cu7O14+δ(R=Nd, Eu, Tm)
✍ Teng-Ming Chen; F.S. Kao 📂 Article 📅 1997 🏛 Elsevier Science 🌐 English ⚖ 285 KB

The formation of phases in the (R 1؊x Pr x ) 2 Ba 4 Cu 7 O 14؉ (Pr-doped R247; R" "Nd, Eu, Tm) system with x" "0-1.0 was investigated. Samples of the title series were synthesized at 980-990°°C at 25 bar O 2 , followed by annealing at 300°°C under 130 bar O 2 for 30 hr. Oxygen content of the samples