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- Title
Ferroelectric Sr[sub x] Ba[sub 1-x] Nb[sub 2] O[sub 6] optical waveguiding thin films on SiO[sub 2] -coated Si(100) substrates.
- Authors
Xiong, S.B.; Ye, Z.M.; Chen, X.Y.; Guo, X.L.; Zhu, S.N.; Liu, Z.G.; Lin, C.Y.; Jin, Y.S.
- Abstract
Abstract. Waveguide structures of Sr[sub x]Ba[sub 1-x]Nb[sub 2]O[sub 6] (x = 0.5) films (abbreviated as SBN:0.5) on SiO[sub 2]-coated Si substrates are potential components tot the application of integrated electro-optics devices. SBN:0.5 optical waveguiding thin films on SiO[sub 2]-coated Si substrates with a very thin MgO diffusion buffer have been successfully prepared by pulsed laser deposition. The as-grown films have a refractive index of 2.28, which is close to that of bulk SBN. X-ray analysis showed that the as-grown films have a single-phase tetragonal tungsten bronze structure. The SBN:0.5 thin films prepared by PLD exhibit favorable ferroelectric and optical waveguiding properties. The composition and the morphology of the films were also examined by XPS and by SEM, respectively. Ferroelectric SBN:0.5 optical waveguiding thin films on SiO[sub 2]-coated Si substrates are expected to be used in integrated electro-optic devices.
- Subjects
ELECTROOPTICS; SILICON oxide; PULSED laser deposition; X-rays
- Publication
Applied Physics A: Materials Science & Processing, 1998, Vol 67, Issue 3, p313
- ISSN
0947-8396
- Publication type
Article
- DOI
10.1007/s003390050776