Synthesis and structural properties of predominantly oriented (Sr,Ba)Nb2O6 films on alumina substrate
Tumarkin A. V. 1, Bogdan A.1, Karamov A. R.1, Sapego E. N.1
1St. Petersburg State Electrotechnical University “LETI", St. Petersburg, Russia
Email: avtumarkin@yandex.ru

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The influence of the composition and pressure of the working gas on the structural properties of strontium-barium niobate films obtained by high-frequency magnetron sputtering on polycrystalline aluminum oxide substrates was studied. The pressure and ratio of oxygen and argon in the working gas at which a film with a predominant orientation (00l) is formed on alumina were determined. This is the first successful attempt to form predominantly oriented strontium-barium niobate films of high structural quality on polycrystalline aluminum oxide substrates. Keywords: strontium-barium niobate, oriented growth, alumina substrate, microwave applications.
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