Tetsuji Tsuchikawa

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Barium strontium titanate (Ba<sub>x</sub>Sr<sub>1-x</sub>)TiO<sub>3</sub> films are expected to be utilized for microwave integrated circuit devices; therefore, the preparation of highly crystalline BST films has been investigated. In this study, we attempted to prepare (Ba<sub>x</sub>Sr<sub>1-x</sub>)TiO<sub>3</sub> films on MgO and sapphire substrates by(More)
Recently, information and communication technologies have been developing rapidly. Dielectric materials for microwave and milliwave devices have been widely investigated. In particular, (Ba, Sr)TiO<sub>3</sub> (BST) is expected to be utilized for these devices since BST has high permittivity at high frequencies and nonlinear properties. We have developed a(More)
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