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Powder diffraction data for borides Pd3B and Pd5B2 and the formation of an amorphous boride Pd2B

Published online by Cambridge University Press:  05 March 2012

M. Beck ,
M. Ellner  and
E. J. Mittemeijer
M. Beck
Affiliation:
Max Planck Institute for Metals Research, Seestrasse 92, D-70174 Stuttgart, Germany
M. Ellner*
Affiliation:
Max Planck Institute for Metals Research, Seestrasse 92, D-70174 Stuttgart, Germany
E. J. Mittemeijer
Affiliation:
Max Planck Institute for Metals Research, Seestrasse 92, D-70174 Stuttgart, Germany
*
a)Electronic mail: ellner@mf.mpi-stuttgart.mpg.de
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Abstract

Powder diffraction data and refined unit cell parameters of two palladium borides were determined. For Pd3B (space group Pnma; Fe3C type) it was found that a=0.54602(3) nm, b=0.75596(4) nm, c=0.48417(4) nm and for Pd5B2 (space group C2/c; Mn5C2 type) a=1.27759(12) nm, b=0.49497(5) nm, c=0.54704(4) nm, β=97.049(7)°. Further, it was shown that the position of the principal scattering peak of the amorphous Pd2B fulfils the Nagel–Tauc criterion about glass forming ability.

Keywords

powder diffraction datapalladium boridescementite homeotypes

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Type
New Diffraction Data
Information
Powder Diffraction , Volume 16 , Issue 2 , June 2001 , pp. 98 - 101
Copyright
Copyright © Cambridge University Press 2001

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