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  1. No Access

    Article

    Polarization Switching along a Substrate in Thin Bi4Ti3O12 Films under Different Deformation Stresses

    Single-crystal Bi4Ti3O12 films deposited on a 4-nm-thick Ba0.4Sr0.6TiO3 sublayer covering an MgO(001) substrate have been investigated. It has been found that the unit cells of Bi4Ti3O12 films in the resulting he...

    V. M. Mukhortov, D. V. Stryukov, S. V. Biryukov, Yu. I. Golovko in Technical Physics (2020)

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    Article

    A Highly Conductive Layer at an Interface between Ferroelectric BaSrTiO3 and Ferromagnetic LaMnO3

    Properties of the Ba0.8Sr0.2TiO3/LaMnO3 heterostructure are investigated for when LaMnO3 and Ba0.8Sr0.2TiO3 are deposited on a surface SrTiO3. No state of high conductivity is observed. The effect a magnetic fiel...

    D. P. Pavlov, T. S. Shaposhnikova… in Bulletin of the Russian Academy of Science… (2019)

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    Article

    Lattice Structure and Dynamics of Two-Layer Heterostructures of Barium–Strontium Titanate and Layered Bismuth Titanate of Various Thicknesses on a Magnesium Oxide Substrate

    The lattice structure and dynamics of single-crystal Bi4Ti3O12 with a thickness from 4 to 430 nm on a (001)MgO substrate with a previously deposited Ba0.4Sr0.6TiO3 sublayer (4 nm) have been studied. The two-layer...

    A. S. Anokhin, Yu. I. Golovko, V. M. Mukhortov… in Physics of the Solid State (2019)

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    Article

    Structural and Electric Characteristics of Two-Layer Bi4Ti3O12/(Ba,Sr)TiO3 Thin Films Deposited on a Silicon Substrate by Radio-Frequency Sputtering at Increased Oxygen Pressures

    The 400–450-nm-thick Bi4Ti3O12 thin films with various orientations of crystallites with respect to a normal to the (100)Si substrate plane have been studied. It is established that the crystallite orientation ca...

    A. S. Anokhin, S. V. Biryukov, Yu. I. Golovko… in Physics of the Solid State (2019)

  5. No Access

    Article

    The Field Effect in a Metal–Ferroelectric–Semiconductor System of Multilayer Ferroelectric Films with Various Structure Types

    The ability to grow the interfacial defect-poor Sr0.5Ba0.5Nb2O6 + Ba0.2Sr0.8TiO3 and Ba0.8Sr0.2TiO3 + Ba0.4Sr0.6TiO3 ferroelectric films onto the doped silicon substrates is discussed. A study of piezo-response v...

    V. M. Mukhortov, Yu. I. Golovko, A. V. Pavlenko… in Physics of the Solid State (2018)

  6. No Access

    Article

    Specific features of the ferroelectric state in two-layer barium strontium titanate-based heterostructures

    The structural properties of one- and two-layer heterostructures based on the barium–strontium titanate of various compositions deposited by the Frank–Van der Merve on a magnesium oxide substrate have been stu...

    D. V. Stryukov, V. M. Mukhortov, Yu. I. Golovko… in Physics of the Solid State (2018)

  7. No Access

    Article

    Phase transitions in barium–strontium titanate films on MgO substrates with various orientations

    A comparative study of the lattice dynamic upon phase transitions in a polycrystalline Ba0.8Sr0.2TiO3 (BST) film on a Pt substrate and in epitaxial BST films grown on various sections of an MgO substrate has been...

    A. S. Anokhin, A. G. Razumnaya, Yu. I. Yuzyuk, Yu. I. Golovko… in Physics of the Solid State (2016)

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    Article

    Effect of growth mechanisms on the deformation of a unit cell and polarization reversal in barium–strontium titanate heterostructures on magnesium oxide

    The effect of a growth mechanism on the unit cell strain and the related change in the properties of single-crystal Ba0.8Sr0.2TiO3 films grown on MgO substrates according to the Frank–van der Merwe and Volmer–Web...

    V. M. Mukhortov, Yu. I. Golovko, S. V. Biryukov, A. Anokhin… in Technical Physics (2016)

  9. No Access

    Article

    Ferroelectric superlattice based on barium–strontium titanate solid solutions

    A superlattice of the composition Ba0.8Sr0.2TiO3/Ba0.4Sr0.6TiO3 has been grown by rf cathode sputtering on a MgO(001) substrate. The unit cell parameters of the superlattice layers along the normal to the substra...

    A. G. Razumnaya, Yu. I. Golovko, N. V. Lyanguzov… in Physics of the Solid State (2015)

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    Article

    Thickness dependence of the properties of epitaxial barium strontium titanate thin films

    Heteroepitaxial Ba x Sr1 − x TiO3 thin films of different thicknesses have been studied in the paraelectric phase at a temperature of 600°C. The l...

    V. B. Shirokov, Yu. I. Golovko, V. M. Mukhortov… in Physics of the Solid State (2015)

  11. No Access

    Article

    Lattice deformation in thin BiFeO3 and Ba0.8Sr0.2TiO3 epitaxial films on (001)MgO single crystalline substrates

    Bi0.98Nd0.02FeO3 (BNFO) and Ba0.8Sr0.2TiO3 (BST) epitaxial films produced by rf cathode sputtering on (001)MgO substrates are studied by means of XRD. The thickness dependences of uniform lattice deformations and...

    O. A. Bunina, D. V. Stryukov, Yu. I. Golovko… in Bulletin of the Russian Academy of Science… (2014)

  12. No Access

    Article

    Optical properties of the Ba0.8Sr0.2TiO3/(Bi0.82, Nd0.02)FeO3 superlattice

    A Ba0.8Sr0.2TiO3/(Bi0.82, Nd0.02)FeO3 multilayer heteroepitaxial structure is prepared by successively depositing 20 Ba0.8Sr0.2TiO3 and (Bi0.82, Nd0.02)FeO3 layers, each 4 nm thick, using the method of rf sputter...

    V. B. Shirokov, Yu. I. Golovko, V. M. Mukhortov, Yu. V. Revinskii in Technical Physics (2014)

  13. No Access

    Article

    Optical properties of BiFeO3 epitaxial thin films

    The properties of neodymium-doped BiFeO3 nanosized films on magnesium oxide single-crystal substrates are studied. The films are obtained using high-frequency sputtering with the aid of layered growth. The struct...

    V. B. Shirokov, Yu. I. Golovko, V. M. Mukhortov in Technical Physics (2014)

  14. No Access

    Article

    Polarization switching in nanoscaled barium strontium titanate films

    Polarization switching of ferroelectric Ba0.8Sr0.2TiO3 thin films of 2- to 150-nm thickness deposited on Si(111) with a Pt sublayer has been studied. The area of the ferroelectric crystallite is a critical parame...

    V. M. Mukhortov, E. M. Sova, V. B. Shirokov, Yu. I. Golovko… in Nanotechnologies in Russia (2014)

  15. No Access

    Article

    Structure and lattice dynamics of heterostructures based on bismuth ferrite and barium strontium titanate

    The surface morphology, lattice parameters, and Raman spectra have been investigated at the stages of successive formation of a three-layer heterostructure consisting of epitaxial layers Ba0.8Sr0.2TiO3 (BST) and ...

    G. Khabiri, A. S. Anokhin, O. A. Bunina, Yu. I. Golovko… in Physics of the Solid State (2013)

  16. No Access

    Article

    Optical properties of thin epitaxial Ba0.8Sr0.2TiO3 films

    The properties of nanodimensional (Ba0.8, Sr0.2)TiO3 films on single-crystal magnesia substrates are studied. The films are applied by rf sputtering and grow in the layer-by-layer mode. The lattice parameters are...

    V. B. Shirokov, Yu. I. Golovko, V. M. Mukhortov in Technical Physics (2012)

  17. No Access

    Article

    Surface acoustic waves in thin films of barium strontium titanate on magnesium oxide substrates

    It is established that, using a thin barium strontium titanate (BST) film as the active element in a surface acoustic wave (SAW) device, it possible to double the working frequency of the converter due to the ...

    Vl. M. Mukhortov, S. V. Biryukov, Yu. I. Golovko… in Technical Physics Letters (2011)

  18. No Access

    Article

    Raman spectra of a barium strontium titanate film in electric fields

    Polarized Raman spectra of a heteroepitaxial barium strontium titanate film on a MgO substrate were studied in an external electric field applied perpendicular to the direction of spontaneous polarization. The...

    A. S. Anokhin, Yu. I. Yuzyuk, Yu. I. Golovko… in Bulletin of the Russian Academy of Science… (2010)

  19. No Access

    Article

    Thin ferroelectric Nd-doped BiFeO3 films with orthorhombic structure

    X-ray diffraction and Raman spectroscopy of epitaxial Nd-doped bismuth ferrite films on MgO substrates reveal their orthorhombic symmetry Fmm2 (a = 7.914 Å, b = 7.913 Å, and c = 7.937 Å).

    I. N. Leontyev, A. S. Anokhin, Yu. I. Yuzyuk… in Bulletin of the Russian Academy of Science… (2010)

  20. No Access

    Article

    Structure and lattice dynamics of heterostructures based on bismuth ferrite and barium strontium titanate on magnesium oxide substrates

    Bismuth ferrite films doped with neodymium on MgO single-crystal substrates with an epitaxial barium strontium titanate thin (1–2 nm) sublayer have been prepared by rf sputtering of ceramic targets at an eleva...

    Yu. I. Golovko, V. M. Mukhortov, O. A. Bunina… in Physics of the Solid State (2010)

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