Sol-Gel preparation and characterization
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Lina Ben-Dor; J.H. Greenberg; V. Beilin; D. Shafranek
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Article
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1994
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Elsevier Science
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English
โ 358 KB
Bi2.xPbxSr2Ca2Cu3OyF0. 7 was prepared by sol-gel using citric acid and ethylen glycol. Thelmodynamic calculations showed that a considerable loss of fluorine is to be expected. The sami ~; were characterized by structural, thermal and physical methods. AAS showed that no appreciable amou~ of lead wa