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Synthesis and thermal expansion behavior of Ba1+x Zr4P6−2xSi2xO24 and Sr1+xZr4P6−2xSi2xO24 systems

Published online by Cambridge University Press:  03 March 2011

Chi-Yuan Huang ,
D.K. Agrawal ,
H.A. McKinstry  and
Santosh Y. Limaye
Chi-Yuan Huang*
Affiliation:
Intercollege Materials Research Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802-4801
D.K. Agrawal
Affiliation:
Intercollege Materials Research Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802-4801
H.A. McKinstry
Affiliation:
Intercollege Materials Research Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802-4801
Santosh Y. Limaye
Affiliation:
LoTEC, Inc., 1840 West Parkway Boulevard, West Valley City, Utah 84119
*
a)Author to whom correspondence should be addressed.
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Abstract

NaZr2P3O12 (NZP) is emerging as an important family of a large number of isostractural compounds in which several members have demonstrated very low thermal expansion characteristics. Ba1+xZr4P6−2xSi2xO24 and Sr1+xZr4P6−2xSi2xO24 crystalline solutions are two such systems belonging to the NZP family. Here, we report the bulk thermal expansion and axial thermal expansion behavior of various compositions in these systems. The low expansion behavior of these materials is attributed to their unique crystal structure, which is framework open structure, and can accommodate numerous ionic substitutions at various lattice sites.

Type
Articles
Information
Journal of Materials Research , Volume 9 , Issue 8 , August 1994 , pp. 2005 - 2013
Copyright
Copyright © Materials Research Society 1994

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References

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