Person

Konstantin Astafiev

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Related publications (15)

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Quasi-Debye microwave loss as an intrinsic limitation of microwave performance of tunable components based on SrTiO3 and BaxSr1-xTiO3 ferroelectrics

Nava Setter, Alexander Tagantsev, Konstantin Astafiev

A model of the quasi-Debye loss mechanism in SrTiO3 and Ba0.6Sr0.4TiO3 perovskite ferroelectrics at microwave frequencies is presented. The field dependence and the size of the field-induced quasi-Debye loss contribution in SrTiO3 and Ba0.6Sr0.4TiO3 system ...
2005

Strain relaxation of epitaxial SrTiO3 thin films on LaAlO3 by two-step growth technique

Nava Setter, Paul Muralt, Alexander Tagantsev, Konstantin Astafiev

Using pulsed-laser deposition, a two-step growth technique was applied to epitaxial SrTiO3 (STO) thin films on LaAlO3 substrates providing a way to obtain an effective strain relaxation in these films otherwise strained due to lattice mismatch between film ...
2005
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