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Phase Relations in the Na2O–Al2O3–Nb2O5and CaO–Al2O3–Nb2O5Systems

✍ Scribed by V. M. Chumarev; V. P. Mar'evich

Book ID
110365490
Publisher
SP MAIK Nauka/Interperiodica
Year
2001
Tongue
English
Weight
48 KB
Volume
37
Category
Article
ISSN
0020-1685

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Phase Equilibria and Dielectric Behavior
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✍ T.A. Vanderah; W. Febo; Julia Y. Chan; R.S. Roth; J.M. Loezos; L.D. Rotter; R.G. 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 265 KB

Although the polarizability of Ta> given in (10) (4.73 A s ) is larger than that given for Nb> (3.97 A s ), considerable experimental data suggest that the reverse is true (11,12). For example, the relative permittivities of isostructural Ba ZnTa O and Ba ZnNb O are &30 (5) and &40 (13), respectivel