Contents

Bulletin of the Russian Academy of Sciences: Physics

Vol. 82, No. 3, 2018

A simultaneous English language translation of this journal is available from Pleiades Publishing, Ltd.
Distributed worldwide by Springer. Bulletin of the Russian Academy of Sciences: Physics ISSN 1062-8738.

Dielectric Nonlinearity and the Velocity of Ultrasonics in the Region of the Structural Phase Transition in (K0.5Na0.5)(Nb1 – xTaх)O3 Ceramics

A. I. Burkhanov, K. Bormanis, V. O. Semibratov, A. V. Sopit, A. Sternberg, M. Antonova and A. Kalvane p. 229  abstract

Electronic Properties of a Two-Dimensional Electron Gas at the Interface between Transition Metal Complex Oxides

I. I. Piyanzina, Yu. V. Lysogorskiy, D. A. Tayurskii and R. F. Mamin p. 234  abstract

Order-Parameter Temperature Dependences in Nanocomposites of Porous Glass–Sodium Nitrite

A. A. Naberezhnov, O. A. Alekseeva, P. Yu. Vanina, D. Yu. Chernyshov, A. A. Sysoeva and E. Rysiakiewicz-Pasek p. 238  abstract

Dielectric Properties of Nanoporous Al2O3 Films Filled with Ferroelectric SC(NH2)2

A. Yu. Milinskiy, S. V. Baryshnikov and A. A. Antonov p. 242  abstract

Extreme Electromechanical Characteristics and Microstructural Features of Ferro-Piezoceramics Based on Lead Titanate

A. N. Rybyanets, M. A. Lugovaya, G. M. Konstantinov, N. A. Shvetsova and D. I. Makarev p. 246  abstract

New Techniques and Designs of Focusing Piezoelectric Transducers for Ultrasonic Diagnostics and Therapy

N. A. Shvetsova, D. I. Makarev, I. A. Shvetsov, S. A. Shcherbinin and A. N. Rybyanets p. 251  abstract

Isofrequency Opalescence in Ferroelectrics

V. S. Gorelik, P. P. Sverbil, A. I. Vodchits and Yu. P. Voinov p. 257  abstract

Studying the Nonlinear Optical Response from Local Polar Inhomogeneities in Strontium Barium Niobate Crystals of Different Chemical Composition

A. M. Pugachev, I. V. Zaytseva, V. K. Malinovsky, N. V. Surovtsev, L. I. Ivleva and P. A. Lykov p. 261  abstract

Nature of Local Symmetry Violations of Ions in the Magnetic Subsystem of Magnetoplumbite Crystal, According to Raman Scattering Spectroscopy Data

A. S. Mikheykin, A. S. Anokhin, V. I. Torgashev, E. S. Zhukova, B. P. Gorshunov, A. S. Prokhorov and A. A. Bush p. 266  abstract

Ferroelectric Phase Transitions in Non-Stoichiometric Sodium-Bismuth Titanate Ceramics

E. D. Politova, D. A. Strebkov, A. V. Mosunov, N. V. Golubko, G. M. Kaleva, N. V. Sadovskaya and S. Yu. Stefanovich p. 269  abstract

Thermo-Optical Study of Short-Range Polar Order in a Ferroelectric Phase: The Ca2+ Impurity-Induced Ferroelectric Phase in SrTiO3

P. A. Markovin, V. A. Trepakov, M. E. Guzhva, O. E. Kvyatkovskii and D. A. Andreev p. 273  abstract

Using Harmonic Analysis to Determine the Coefficients of Expansion in the Electrical Energy of a Rb2ZnCl4 Crystal from Its Polarization

V. V. Gorbatenko, B. N. Prasolov and S. A. Gorbatenko p. 280  abstract

Quantum-Chemical Analysis of the Structural Phase Transition in Quasi–One-Dimensional Ferroelectrics Pb(H/D)PO4

S. P. Dolin, T. Yu. Mikhailova and N. N. Breslavskaya p. 284  abstract

Mathematical Modeling of the Polarization of Polycrystalline Ferroelectrics

A. S. Skaliukh and Li Guorong p. 287  abstract

Influence of Surface Energy on the Direct Flexoelectric Effect in a Plate

A. S. Yurkov p. 291  abstract

Frequencies of Stretching and Bending OH (OD) Vibrations in KDP (DKDP) Crystals, According to the Temperature Dependence of Their Raman Spectrum

V. A. Abalmassov and N. V. Surovtsev p. 294  abstract

Raman Scattering on the Effective Soft Mode for Lithium Niobate Crystals

V. S. Gorelik and A. Yu. Pyatyshev p. 299  abstract

Fluctuations of Current in Polycrystalline Ferroelectric Ceramics

E. I. Kartunova, A. V. Gabrielyan and L. V. Zhoga p. 304  abstract

Effect of PbNi1/3Nb2/3O3 on the Dielectric and Piezoelectric Properties of Multicomponent Solid Solutions Based on PbMg1/3Nb2/3O3–PbTiO3

M. V. Talanov and L. A. Reznichenko p. 307  abstract

Microstructural Features and Electrophysical Characteristics of Ceramic–Crystal Matrix Composites

M. A. Lugovaya, I. A. Shvetsov, N. A. Shvetsova, E. I. Petrova and A. N. Rybyanets p. 310  abstract

Features of the Postgrowth Thermal and Electrothermal Treatment of Nominally Pure and Heavily Doped Lithium–Niobate Crystals

M. N. Palatnikov, N. V. Sidorov, O. V. Makarova and I. V. Birjukova p. 314  abstract

Capacitance Temperature Hysteresis of Condenser Structures Based on BSTO Ceramics of Different Compositions

A. A. Semenov, A. I. Dedyk, O. V. Pakhomov, Yu. V. Pavlova, I. L. Mylnikov and V. A. Krylov p. 317  abstract

Clusters in a Lithium Niobate Monocrystal

V. M. Voskresensky, O. R. Starodub, N. V. Sidorov and M. N. Palatnikov p. 322  abstract

Dielectric and Elastic Properties in the Vicinity of a Diffuse Structural Phase Transition in a PZT-Based Multicomponent System

A. V. Skrylev, A. I. Burkhanov, G. M. Akbaeva and A. E. Panich p. 325  abstract

Effect of Oxidating Treatment on the Electrical Properties of Reduced LiNbO3 Crystals

A. V. Yatsenko and S. V. Yagupov p. 328  abstract

Photostimulated Currents in Single Crystals of Lead Magnoniobate and Lead Magnoniobate Titanate

S. A. Migachev, R. F. Mamin, I. P. Rayevsky and S. I. Raevskaya p. 332  abstract

Temperature Behavior of the Rotational Order Parameters in a La0.25Ca0.75MnO3 Solid Solution

V. G. Trotsenko, A. S. Mikheykin, V. B. Shirokov, A. G. Razumnaya, A. A. Bush, L. S. Kadyrov, M. El Marssi, B. P. Gorshunov and V. I. Torgashev p. 335  abstract

Investigating Contact Phenomena at a PZT–Pt Interface by Means of Induced Current

A. N. Antonovich, A. A. Petrushin, D. G. Lapin and Yu. V. Podgornyi p. 338  abstract

Formation of PZT Structures on Silicon

D. S. Seregin, A.-M. Baziruvikha, N. M. Kotova, K. A. Vorotilov, L. A. Delimova, N. V. Zaitzeva, A. V. Myakon’kikh, K. V. Rudenko and V. F. Lukichev p. 341  abstract

Varying the Composition of Ferroelectric Films during Ion-Plasma Sputtering: Simulation and Experiment

A. V. Tumarkin, V. A. Volpyas, M. V. Zlygostov, A. A. Odinets and E. N. Sapego p. 346  abstract

Finite Element Simulation and Experimental Study of Cylindrical Focusing Piezoelectric Transducers

S. A. Shcherbinin, I. A. Shvetsov, A. V. Nasedkin, I. I. Luk’yanov and A. N. Rybyanets p. 352  abstract

Numerical Modeling and Optimization of Acoustic Fields and Designs for High-Intensity Focused Ultrasound Transducers

I. A. Shvetsov, S. A. Shcherbinin, P. A. Astafiev, M. O. Moysa and A. N. Rybyanets p. 355  abstract