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Effect of Ca 2+ , Ba 2+ , and Sr 2+ on Alginate Microbeads

✍ Scribed by Mørch, Ýrr A.; Donati, Ivan; Strand, Berit L.

Book ID
120156994
Publisher
American Chemical Society
Year
2006
Tongue
English
Weight
440 KB
Volume
7
Category
Article
ISSN
1525-7797

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Effects of Sr-doping in Ba2Ca2+xCu3+yOz
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✍ B.R. Hickey; Z.L. Du; Y.Y. Xue; D.K. Ross; L.M. Dezaneti; Y.Y. Sun; N.L. Wu; C.W 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 310 KB

Sr is doped into Ba 2 Ca 2ϩx Cu 3ϩy O z (T c 126 K) to improve its chemical stability. A solubility limit of Sr/(Ba ϩ Sr ϩ Ca)ϳ0.3 was observed under our synthesis conditions. Below this limit, Sr is equally distributed among the Ca and Ba sites, and does not affect the superconductivity significant