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  1. No Access

    Article

    Technological Ways of Reducing the Sintering Temperature of Ceramics Based on Cubic Pyrochlore

    Ceramics of a Bi2O3–ZnO–Nb2O5 system (cubic pyrochlore) with homogeneous microstructures, high densities, and high dielectric parameters (30% higher than in traditional ceramic technology) are obtained via spark ...

    M. A. Marakhovskiy, M. V. Talanov in Bulletin of the Russian Academy of Sciences: Physics (2024)

  2. No Access

    Article

    Nature of Dielectric Relaxation in SrTiO3:Mn Single Crystals

    Dielectric spectra of SrTiO3 and SrTiO3:Mn single crystals have been studied in the frequency range of 10‒3000 cm–1 and in the temperature range of 5–297 K using time-domain terahertz spectroscopy and Fourier-tra...

    M. V. Talanov, E. S. Zhukova, B. M. Nekrasov, M. Savinov, V. I. Kozlov… in JETP Letters (2023)

  3. No Access

    Article

    Switching Processes in a 0.725NaNbO3–0.20KNbO3–0.075CdNb2O6 Ferroelectric Solid Solution

    Results are presented from experiments on the dielectric hysteresis loops and relative dielectric permeability of 0.725NaNbO3–0.20KNbO3–0.075CdNb2O6 ceramics in strong (5–40 kV cm–1) and weak (0–0.3 kV cm–1) alte...

    M. O. Moysa, M. V. Talanov, K. P. Andryushin… in Bulletin of the Russian Academy of Science… (2023)

  4. No Access

    Article

    Multiorder and the Structural Mechanism of the LiRh2O4 Tetragonal Phase Formation

    Results are presented from a group-theoretical analysis of phase transitions in LiRh2O4. It is found that the critical irreducible representation inducing phase transitions and multiorder in this substance is eig...

    M. V. Talanov, V. B. Shirokov, V. M. Talanov… in Bulletin of the Russian Academy of Science… (2023)

  5. No Access

    Article

    Bi4Ti3O12-Based Ferroelectric Ceramics Designed for Extreme Conditions

    A comparative study is performed of Bi4Ti3O12-based high-temperature ferroelectric ceramics fabricated with three different types of sintering. The dependences of the microstructure, dielectric and piezoelectric ...

    M. A. Marakhovskiy, M. V. Talanov… in Bulletin of the Russian Academy of Science… (2023)

  6. No Access

    Article

    Effect of the Type of Sintering on the Dielectric Hysteresis of a Hard Piezoceramic Material based on Lead Zirconate Titanate

    An experimental study is performed of the sintering technology effect of hard piezoceramic material PCR-8 has on its dielectric hysteresis. It is established that hot pressing and modifications of it allow the...

    M. A. Marakhovskiy, A. A. Panich… in Bulletin of the Russian Academy of Science… (2020)

  7. No Access

    Article

    Dielectric Response of Ceramic 16BiScO3–42PbMg1/3Nb2/3O3–42PbTiO3 Solid Solutions in an Electrical Field

    Some results of studying the dielectric and electromechanical properties of ceramic 16BiScO3–42PbMg1/3Nb2/3O3–42PbTiO3 relaxor ferroelectric samples in electrical fields (0 < E < 20 kV/cm) are presented. An appre...

    L. S. Kamzina, M. V. Talanov, A. A. Bush, A. I. Spitsin in Physics of the Solid State (2019)

  8. No Access

    Article

    Group-Theoretical Classification of Aristotypes of Cation and Anion Orders in Perovskites

    A group-theoretical classification of cation and anion orders of crystals with a perovskite structure is presented. Aristotypes are idealized structures (phases), from which the low-symmetry ordered modificati...

    M. V. Talanov, V. M. Talanov, V. B. Shirokov in Crystallography Reports (2019)

  9. No Access

    Article

    Phase Diagrams of Solid Solutions of Relaxor Ferroelectrics from the Dielectric Spectroscopy Data

    The dielectric spectra of Pb(1–z)Ba z (Mg1/3Nb2/3) m (Zn1/3Nb2/3) y (Ni1/3Nb2/3) n ...

    M. V. Talanov, L. A. Reznichenko in Physics of the Solid State (2018)

  10. No Access

    Article

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

    The effect of PbNi1/3Nb2/3O3 addition on the dielectric and piezoelectric responses of the mPbMg1/3Nb2/3O3–nPbNi1/3Nb2/3O3–yPbZn1/3Nb2/3O3–xPbTiO3 ceramic system doped with barium is investigated. It is found tha...

    M. V. Talanov, L. A. Reznichenko in Bulletin of the Russian Academy of Sciences: Physics (2018)

  11. No Access

    Article

    Unique hyper-kagome atomic order in geometrically frustrated iridium spinel-like structures

    The review briefly outlines the results of authors’ theoretical research into unique hyperkagome atomic and orbital order in geometrically frustrated iridium spinel-like structures. The structural mechanism of...

    M. V. Talanov, V. M. Talanov, V. B. Shirokov in Russian Chemical Bulletin (2017)

  12. No Access

    Article

    Formation of the structure and piezoelectric and dielectric properties of NaNbO3−KNbO3−CuNb2O6 solid solutions

    Ceramics of the 0.5NaNbO3−(0.5–2x)KNbO3−xCuNb2O6 system at x = 0−0.05 are produced via solid phase synthesis with subsequent sintering, according to the conventional technique. It is shown that introducing copper...

    M. V. Talanov, L. A. Shilkina, O. Yu. Kisel’… in Bulletin of the Russian Academy of Science… (2017)

  13. No Access

    Article

    Synthesis and properties of Na1–x K x NbO3-based solid solutions in the CuNb2O6–NaNbO3–KNbO3 system

    (1–x–z)NaNbO3 · xKNbO3 · zCuNb2O6 (x = 0.05–0.50, z = 0.025−0.050) ceramics have been prepared by solid-state reactions followed by sintering using standard ceramic processing. Phase relations in a portion of the...

    M. V. Talanov, L. A. Shilkina, L. A. Reznichenko in Inorganic Materials (2016)

  14. No Access

    Article

    Unique hyper-kagome atomic order in the noncentrosymmetric structure of Na3Ir3O8

    The formation of a unique hyper-kagome atomic order in the structure of the ordered spinel phase Na3Ir3O8 has been analyzed in terms of the Landau theory of phase transitions. We have identified a critical six-co...

    M. V. Talanov, V. B. Shirokov, V. M. Talanov in Inorganic Materials (2016)

  15. No Access

    Article

    Dielectric spectroscopy of Pb1–x Ba x (Mg1/3Nb2/3) m (Zn1/3Nb2/3) y (Ni1/3Nb2/3) n Ti z O3 solid solutions in a wide temperature interval

    The dielectric spectra of Pb1–x Ba x (Mg1/3Nb2/3) m (Zn1/3Nb2/3) y (Ni1/3Nb2/3

    M. V. Talanov, S. P. Kubrin, A. A. Pavelko, L. A. Reznichenko in Physics of the Solid State (2016)

  16. No Access

    Article

    Theory of the formation of P4132(P4332)-phase spinels

    A group-theoretical, thermodynamic, and structural study of the formation of P4132(P4332) spinel modification has been performed. In particular, the occurrence of unique hyper-kagome atomic order is analyzed. The...

    V. M. Talanov, M. V. Talanov, V. B. Shirokov in Crystallography Reports (2016)

  17. No Access

    Chapter and Conference Paper

    Features of Electromagnetic Microwave Radiation Absorption by Ferroelectric Complex Niobium Oxides

    The solid solutions of the niobium oxides were prepared using two-stage solid-phase synthesis and sintering by conventional technology. The dissipative characteristics of the solutions were studied experimen...

    A. G. Abubakarov, I. A. Verbenko, L. A. Reznichenko, M. B. Manuilov… in Advanced Materials (2016)

  18. No Access

    Article

    Theory of structural phase transition in MgTi2O4

    A theory of phase transition in MgTi2O4 is proposed based on a study of the order-parameter symmetry, thermodynamics, and mechanisms of formation of the atomic and orbital structure of the low-symmetry MgTi2O4 ph...

    V. M. Talanov, V. B. Shirokov, V. V. Ivanov, M. V. Talanov in Crystallography Reports (2015)

  19. No Access

    Article

    Phase equilibria and electrical properties of barium-containing relaxor-based solid solutions

    We have studied the effect of modification with Ba on the phase composition, structure, and electrical properties of ceramic samples of Pb(1−x)Bax(Mg1/3Nb2/3) m (Zn1/3Nb2/3) ...

    M. V. Talanov, L. A. Shilkina, L. A. Reznichenko, S. I. Dudkina in Inorganic Materials (2014)

  20. No Access

    Article

    Group-theoretical study of cationic ordering in perovskite structure

    Atomic ordering in the structure of cubic perovskite has been investigated by the group-theoretical method. The possibility of existence of 13 ordered phases in the 1(a) position (including four binary, two terna...

    V. M. Talanov, M. V. Talanov, V. B. Shirokov in Crystallography Reports (2014)

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