Hostname: page-component-cd9895bd7-jkksz Total loading time: 0 Render date: 2024-12-26T09:27:50.967Z Has data issue: false hasContentIssue false
  • English
  • Français

Crystal structure of Ca1−xSrxZr4(PO4)6 (0≤x≤1)

Published online by Cambridge University Press:  06 March 2012

Werner Fischer ,
Lorenz Singheiser ,
Debabrata Basu  and
Amit Dasgupta
Werner Fischer*
Affiliation:
Research Centre Juelich GmbH, Institute for Processes and Materials in Energy Systems, 52425 Juelich, Germany
Lorenz Singheiser
Affiliation:
Research Centre Juelich GmbH, Institute for Processes and Materials in Energy Systems, 52425 Juelich, Germany
Debabrata Basu
Affiliation:
Central Glass and Ceramic Research Institute, 700032 Calcutta, India
Amit Dasgupta
Affiliation:
Central Glass and Ceramic Research Institute, 700032 Calcutta, India
*
a)Author to whom correspondence should be addressed; Electronic mail: [email protected]
Get access Rights & Permissions [Opens in a new window]

Abstract

The crystal structure of several compounds of Ca1−xSrxZr4(PO4)6 ceramics has been investigated by X-ray powder diffraction at room temperature. All compounds form a solid solution with a unique unit cell. While the lattice parameter a of the hexagonal unit cell decreases of about 0.9% with increasing Sr content only slightly, it considerably elongates in c direction (2.8%). No structural transformation has been observed by high-temperature X-ray diffraction up to 1000 °C.

Keywords

powder diffractioncrystal structureRietveld refinementoxide ceramicsorthophosphate group
Type
Technical Articles
Information
Powder Diffraction , Volume 19 , Issue 2 , June 2004 , pp. 153 - 156
Copyright
Copyright © Cambridge University Press 2004

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Alamo, J.and Rodrigo, J.L. (1993). “High temperature neutron diffraction study of CaZr4(PO4)6,” Solid State Ionics SSIOD3 63–65, 678–683. ssi, SSIOD3 CrossRefGoogle Scholar
Alamo, J.and Roy, R. (1984). “Ultra-low expansion ceramics in the system Na2O-ZrO2-P2O5-SiO2,” J. Am. Ceram. Soc. JACTAW 67, C78–C79. jac, JACTAW Google Scholar
Chakraborty, N., Basu, D., Fischer, W., and Singheiser, L. (2004). “Thermal expansion of Ca1−xSrxZr4(PO4)6 ceramics,”J. Mater. Res. (submitted).Google Scholar
Goodenough, J.B., Hong, H.Y.P., and Kafalas, J.A. (1976). “Fast Na2+ ion transport in skeleton structures,” Mater. Res. Bull. MRBUAC 11, 203. mrb, MRBUAC Google Scholar
Kotelnikov, A.R., Kovalsky, A.M., Trubach, I.G., Orlova, A.I., and Petkov, V.I. (2000). “Synthesis and X-ray study of solid solutions (Ca,Sr)0.5Zr2(PO4)3,” J. Inst. Exp. Mineralogy ZZZZZZ 9, 128–129.Google Scholar
Lenain, G.E., McKinstry, H.A., Alamo, J., and Agarwal, D.K. (1987). “Structural model for thermal expansion in MZr2P3O12 (M=Li, Na, K, Rb, Cs),” J. Mater. Sci. JMTSAS 22, 17–22. jmt, JMTSAS CrossRefGoogle Scholar
Oota, T.and Yamai, I. (1986). “Thermal expansion behavior of NaZr2(PO4)3-type compounds,” J. Am. Ceram. Soc. JACTAW 69, 1–6. jac, JACTAW Google Scholar
Roy, R., Agarwal, D.K., Alamo, J., and Roy, R.A. (1984). “[CTP]; A new structural family of near-zero expansion ceramics,” Mater. Res. Bull. 19, 471.Google Scholar
Yong, C.S., Kim, J.H., Kim, C.K., and Hong, K.S. (2001). “Synthesis of low thermal expansion ceramics based on CaZr4(PO4)6-Li2O system,” Mater. Sci. Eng., B MSBTEK 79, 6–10. msb, MSBTEK Google Scholar