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Abstract <p>Hexaaluminates EuMg<sub>0.8</sub>Al<sub>11</sub>O<sub>18.8</sub> and GdMg<sub>0.8</sub>Al<sub>11</sub>O<sub>18.8</sub> with a magnetoplumbite structure were prepared by the citrate sol-gel method and identified by X-ray diffraction analysis, scanning electron microscopy, and EDX-spectroscopy. The enthalpies of formation of EuMg<sub>0.8</sub>Al<sub>11</sub>O<sub>18.8</sub> and GdMg<sub>0.8</sub>Al<sub>11</sub>O<sub>18.8</sub> from oxides and elements at 298.15 K were determined from the enthalpies of solution in molten lead borate.</p>

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Enthalpies of Formation of Hexaaluminates EuMg0.8Al11O18.8 and GdMg0.8Al11O18.8

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • I. A. Bazhenova,
  • S. V. Kuzovchikov,
  • M. A. Ryumin,
  • P. G. Gagarin,
  • A. V. Guskov,
  • V. N. Guskov,
  • A. V. Khvan,
  • K. S. Gavrichev

摘要

Abstract

Hexaaluminates EuMg0.8Al11O18.8 and GdMg0.8Al11O18.8 with a magnetoplumbite structure were prepared by the citrate sol-gel method and identified by X-ray diffraction analysis, scanning electron microscopy, and EDX-spectroscopy. The enthalpies of formation of EuMg0.8Al11O18.8 and GdMg0.8Al11O18.8 from oxides and elements at 298.15 K were determined from the enthalpies of solution in molten lead borate.