Crystal growth and ferroelectric and optical properties of K _xNa_1-x Ba₂Nb₅O₁₅

B.A. Scott, E.A. Giess, et al.

Materials Research Bulletin

J.D. Axe, D.F. O'Kane

Applied Physics Letters

D.F. O'Kane, N.R. Stemple

JES

E. Burstein, G. Burns, et al.

Solid State Communications