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Synthesis, crystal structure and thermodynamic properties of apatite Pb-=SUB=-3-=/SUB=-Bi-=SUB=-2-=/SUB=-(GeO_4)-=SUB=-3-=/SUB=
- Source :
- Physics of the Solid State. 64:889
- Publication Year :
- 2022
- Publisher :
- Ioffe Institute Russian Academy of Sciences, 2022.
-
Abstract
- Apatite Pb3Bi2(GeO_4)3 was obtained by the solid-phase method from the initial oxides of PbO, Bi2O3 and GeO2 by sequential firing in air at temperatures of 773-1003 K. Its crystal structure has been refined by X-ray diffraction. The high-temperature heat capacity (350-1000 K) of this compound was measured by differential scanning calorimetry. Based on these data, the main thermodynamic functions are calculated. Keywords: apatite bismuth-lead germanate, solid-phase synthesis, high-temperature heat capacity, thermodynamic properties Keywords: apatite bismuth-lead germanate, solid-phase synthesis, high-temperature heat capacity, thermodynamic properties.
Details
- ISSN :
- 17267498
- Volume :
- 64
- Database :
- OpenAIRE
- Journal :
- Physics of the Solid State
- Accession number :
- edsair.doi...........e90b04e5cfe34c312120ebeffe1e5772