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  1. No Access

    Article

    Formation of Perovskite and Pyrochlore Phases during Mechanochemical Synthesis of Lead Ferroniobate

    We have studied the effect of mechanical activation in lead ferroniobate synthesis on the formation of perovskite and pyrochlore phases during both mechanochemical synthesis and subsequent firing. It has been ...

    A. A. Gusev, I. P. Raevski, V. P. Isupov in Inorganic Materials (2020)

  2. No Access

    Article

    Mechanochemical Synthesis of Lithium Pentaaluminate from Lithium Carbonate and Boehmite

    It has been shown that mechanical activation of a boehmite + lithium carbonate mixture with an Al : Li atomic ratio of 5 : 1 in an AGO-2 planetary activator at a centrifugal acceleration of 40g and milling times ...

    N. V. Eremina, V. P. Isupov in Inorganic Materials (2020)

  3. No Access

    Article

    Effect of Mechanical Activation on Reaction between Boehmite and Lithium Carbonate

    We have studied the effect of mechanical activation of a boehmite + lithium carbonate mixture in an AGO-2 planetary activator on phase transformations during heat treatment in air. The results demonstrate that...

    V. P. Isupov, I. A. Borodulina, K. B. Gerasimov, N. V. Bulina in Inorganic Materials (2020)

  4. No Access

    Article

    Synthesis of Fine-Particle α-LiAlO2 via Heat Treatment of a Mechanically Activated Mixture of Gibbsite and Lithium Carbonate

    We have found conditions for the synthesis of fine-particle phase-pure α-LiAlO2 via heat treatment of a mechanically activated mixture of gibbsite and lithium carbonate in air. The results demonstrate that, to sy...

    V. P. Isupov, I. A. Borodulina, R. N. Niyazova, N. V. Eremina in Inorganic Materials (2019)

  5. No Access

    Article

    Effect of the Reaction Medium on the Mechanochemical Synthesis of LiAlO2

    An unactivated mixture of aluminum hydroxide (gibbsite) and lithium carbonate and a mixture mechanically activated in an AGO-2 planetary mill were heat-treated in air and under vacuum (0.05 Pa) at temperatures...

    V. P. Isupov, N. V. Bulina, I. A. Borodulina in Inorganic Materials (2018)

  6. No Access

    Article

    Low-temperature stages in the mechanochemical synthesis of gamma-lithium monoaluminate

    Low-temperature (<500°C) stages in the synthesis of gamma-lithium monoaluminate through heat treatment of a mechanically activated mixture of aluminum hydroxide and lithium carbonate have been studied by therm...

    V. P. Isupov, K. B. Gerasimov, I. A. Borodulina, Ya. E. Trukhina in Inorganic Materials (2017)

  7. No Access

    Article

    Mechanochemical synthesis of fine-particle γ-LiAlO2

    Using thermogravimetry, in situ X-ray diffraction, room-temperature X-ray diffraction, specific surface area measurements, and particle size analysis, we have studied how preliminary mechanical activation of a...

    V. P. Isupov, Ya. E. Trukhina, N. V. Eremina, N. V. Bulina… in Inorganic Materials (2016)

  8. No Access

    Article

    Structural and particle size characteristics of lithium carbonate after mechanical activation and heat treatment

    This paper examines the structural and particle size characteristics of lithium carbonate after mechanical processing in an AGO-2 planetary activator, followed by heat treatment. Milling increases the specific...

    V. P. Isupov, N. V. Bulina, N. V. Eremina in Inorganic Materials (2015)

  9. No Access

    Article

    Effect of mechanical activation of Al(OH)3 on its reaction with Li2CO3

    The effect of preliminary mechanical activation of Al(OH)3 on its solid-state reaction with Li2CO3 at temperatures above 800°C has been studied by thermogravimetry, X-ray diffraction, in situ X-ray diffraction, e...

    V. P. Isupov, N. V. Eremina in Inorganic Materials (2012)

  10. No Access

    Article

    Mechanochemical synthesis of γ-LiAlO2 studied by 6Li and 27Al NMR and synchrotron X-Ray diffraction

    The structural transformations accompanying the mechanochemical synthesis of fine-particle γ-LiAlO2 have been studied by 6Li and 27Al NMR and in situ X-ray diffraction. Mechanical activation of a mixture of alumi...

    V. P. Isupov, O. A. Kharlamova, L. E. Chupakhina… in Inorganic Materials (2011)

  11. No Access

    Article

    Mechanochemical synthesis of a hydroxycarbonate form of layered magnesium aluminum hydroxides

    Mechanical activation of a mixture of magnesium hydroxide, aluminum hydroxide, and sodium bicarbonate in an AGO-2 planetary mill, followed by water washing leads to the formation of a layered magnesium aluminu...

    V. P. Khusnutdinov, V. P. Isupov in Inorganic Materials (2008)

  12. No Access

    Article

    Synthesis of highly dispersed ferromagnetic materials based on layered lithium aluminum hydroxides and nickel and cobalt particles

    The reaction between a concentrated aqueous lithium nitrate solution and a cobalt-containing composite prepared through the thermal decomposition of [LiAl2(OH)6]2[CoEDTA] · 4H2O in vacuum at temperatures from 400...

    V. P. Isupov, L. E. Chupakhina, R. P. Mitrofanova in Inorganic Materials (2008)

  13. No Access

    Article

    Mechanochemical synthesis of fine-particle γ-LiAlO2

    We describe a new approach for the synthesis of fine-particle gamma lithium aluminate, γ-LiAlO2, which involves mechanical activation of mixtures of Al(OH)3 and Li2CO3 and heat treatment of the products. The form...

    O. A. Kharlamova, R. P. Mitrofanova, V. P. Isupov in Inorganic Materials (2007)

  14. No Access

    Article

    A New Route to the Preparation of Nanophase Composites via Layered Double Hydroxides

    A promising route to the preparation of nanophase composites with fine particles of transition metals via layered double hydroxides has been shown on the derivatives of Li-Al double hydroxide, LADH-X, where in...

    V. P. Isupov, K. A. Tarasov, R. P. Mitrofanova… in MRS Online Proceedings Library (1996)