Synthesis, crystal structure and thermodynamic properties of Ca3Y2Ge3O12 germanate

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Abstract

Orthogermanate Ca3Y2Ge3O12 has been prepared by solid-phase method from CaCO3, Y2O3 and GeO2 by firing in air at a temperature of 1773 K. Using X-ray diffraction, its crystal structure was clarified (sp. gr. Ia3¯d, a =12.80255(14) Å, V = 2098.34(7) Å3). The high-temperature heat capacity of oxide compound has been determined in the temperature range 320–1000 K by differential scanning calorimetry and the experimental data have been used to evaluate thermodynamic properties of Ca3Y2Ge3O12.

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About the authors

L. T. Denisova

Siberian Federal University

Author for correspondence.
Email: ldenisova@sfu-kras.ru
Russian Federation, Krasnoyarsk, 660041

D. V. Belokopytova

Siberian Federal University

Email: ldenisova@sfu-kras.ru
Russian Federation, Krasnoyarsk, 660041

Yu. F. Kargin

Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences

Email: ldenisova@sfu-kras.ru
Russian Federation, Moscow, 119991

G. V. Vasil’ev

Siberian Federal University

Email: ldenisova@sfu-kras.ru
Russian Federation, Krasnoyarsk, 660041

V. M. Denisov

Siberian Federal University

Email: ldenisova@sfu-kras.ru
Russian Federation, Krasnoyarsk, 660041

V. V. Beletskii

Siberian Federal University

Email: ldenisova@sfu-kras.ru
Russian Federation, Krasnoyarsk, 660041

References

  1. Piccinelli F., Lausi A., Bettinelli M. // J. Solid State Chem. 2013. V. 205. P. 190. https://doi.org/10.1016/j.jssc.2013.07.021
  2. Baklanova Y.V., Enyashin A.N., Maksimova L.G. et al. // Ceram. Int. 2018. V. 44. P. 6959. https://doi.org/10.1016/j.ceramint.2018.01.128
  3. Tang Y., Zhang Z., Li J. et al. // J. Eur. Ceram. Soc. 2020. V. 40. P. 3989. https://doi.org/10.1016/j.eurceramsoc.2020.04.052
  4. Mao N., Liu S., Song Z. et al. // J. Alloys Compd. 2021. V. 863. P. 158699. https://doi.org/10.1016/j.jallcom.2021.158699
  5. Ji C., Huang Z., Tian X. et al. // J. Lumin. 2021. V. 232. P. 117775. https://doi.org/10.1016/j.jlumin.2020.117775
  6. Li Y., Shao Y., Zhang W et al. // J.Am. Ceram. Soc. 2021. V. 104. P. 6299. https://doi.org/10.1111/jace.18015
  7. Cui J., Cao L., Wang X. et al. // J. Lumin. 2021. V. 237. P. 118170. https://doi.org/10.1016/j.jlumin.2021.118170
  8. Cui J., Zheng Y., Wang Z. et al. // Mater. Adv. 2022. V. 3. P. 2772. https://doi.org/10.1039/d2ma00009a
  9. Леонидов И.И. // Тез. IX Национальной кристаллохимической конф. Суздаль, 4–8 июня 2018. М.: Граница, 2018. С. 69.
  10. Fiquet G., Gillet P., Richet P. et al. // Phys. Chem. Miner. 1992. V. 18. P. 469. https://doi.org/10.1007/BF00200970
  11. Shuchunov A.N., Gorshkov O.N., Smirnova N.N. et al. // J. Chem. Thermodyn. 2014. V. 78. P. 58. https://doi.org/10.1016/j.jct.2014.06.019
  12. Денисова Л.Т., Молокеев М.С., Каргин Ю.Ф. и др. // Неорган. материалы. 2022. Т. 58. № 4. С. 432. https://doi.org/10.31857/S0002337X22040030
  13. Isaacs I. // Experientia. 1969. V. 25. P. 239. https://doi.org/10.1007/BF02034364
  14. Lévy D., Barbier J. // Acta Crystallogr. Sect. С. 1999. V. 56. P. 1611.
  15. Денисова Л.Т., Иртюго Л.А., Каргин Ю.Ф. и др. // Неорган. материалы. 2017. Т. 53. № 1. С. 71. https://doi.org/10.7868/S0002337X17010043
  16. Денисова Л.Т., Каргин Ю.Ф., Денисов В.М. // Неорган. материалы. 2017. Т. 53. № 9. С. 975. https://doi.org/10.7868/S0002337X17090111
  17. Maier C.G., Kelley K.K. // J.Am. Chem. Soc. 1932. V. 54. № 8. P. 3243. https://doi.org/10.1021/ja01347a029
  18. Leitner J., Chuchvalec P., Sedmidubský D. et al. // Thermochim. Acta. 2003. V. 395. P. 27.
  19. Leitner J., Voňka P., Sedmidubský D., Svoboda P. // Thermochim. Acta. 2010. V. 497. P. 7. https://doi.org/10.1016/j.tca.2009.08.002
  20. Кубашевский О., Олкокк С.Б. Металлургическая термохимия. М.: Металлургия, 1982. 392 с.
  21. Spencer P.J. // Thermochim. Acta. 1998. V. 314. P. 1. https://doi.org/10.1016/S0040-6031(97)00469-3
  22. Кумок В.Н. // Прямые и обратные задачи химической термодинамики. Новосибирск: Наука, 1987. С. 108.
  23. Mostafa A.T.M.G., Eakman J.M., Montoya M.M., Yarbro S.L. // Ind. Eng. Chem. Res. 1996. V. 35. P. 343. https://doi.org/10.1021/ie9501485
  24. Успенская И.А., Иванов А.С., Константинова Н.М., Куценок И.Б. // Журн. физ. химии. 2022. Т. 96. № 9. С. 1302. https://doi.org/10.31857/S0044453722090291
  25. Третьяков Ю.Д. Твердофазные реакции. М.: Химия, 1967. 451 с.
  26. Morss L.R., Konings R.J.M. // Binary rare earth oxides. N.Y.: Kluwer Academ. Publishers., 2004. P. 163.
  27. Осина Е.Л. // Теплофизика высоких температур. 2017. Т. 55. № 2. С. 223.
  28. Денисова Л.Т., Иртюго Л.А., Каргин Ю.Ф. и др. // Журн. неорган. химии. 2018. Т. 63. № 3. С. 338. https://doi.org/10.7868/S0044457X1803011X

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2. Fig. 1. Effect of temperature on the molar heat capacity of Ca3Y2Ge3O12: 1 – experiment, 2 – calculation of НК2, 3 – calculation of НК1, 4 – calculation by the group contribution method, 5 – calculation of НК3

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3. Fig. 2. Temperature dependences of the molar heat capacity of germanates Ca3Y2Ge3O12 (1), CaY2Ge4O12 (2) and CaY2Ge3O10 (3)

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