E.A. Giess, B.A. Scott, et al.
Materials Research Bulletin
Paper
Ferroelectric and optical properties of KSR2NB5O 15
Abstract
A new transparent tetragonal crystal, KSr2Nb5O 15, of the tungsten bronze type has been found to be ferroelectric with a Curie temperature of ≈160°C. At room temperature the electro-optic coefficient, r∥, is 1.3 × 10-8 cmV and ∥ is approximately 1,000. © 1967 The American Institute of Physics.
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