Electro-optic characteristics of (001)-oriented Ba[sub 0.6]Sr[sub 0.4]TiO[sub 3] thin films

Kim, Dal-Young; Moon, Seung Eon; Kim, Eun-Kyung; Lee, Su-Jae; Choi, Jong-Jin; Kim, Hyoun-Ee
March 2003
Applied Physics Letters;3/3/2003, Vol. 82 Issue 9, p1455
Academic Journal
Ba[sub 0.6]Sr[sub 0.4]TiO[sub 3] thin films were grown on MgO(001) substrates using pulsed-laser deposition. The films were highly oriented along the (001) direction, and showed a high electro-optic response to an external electric field. The quadratic electro-optic coefficient R[sub c] was 1.0 × 10[sup -14] m²/V², and the birefringence variation was as large as 0.09. Various electro-optic applications as well as the microwave applications of barium strontium titanate thin films are expected.


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