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The structure of the palladium-rich boride Pd5B (Pd16B3)

  • M. Ellner , M. Beck and E. J. Mittemeijer
Published/Copyright: September 25, 2009

Abstract

The low-temperature boride Pd5B (Pd16B3) formscongruently from the corresponding interstitial solid solu-tion Pd(B) (Pearson-Parthé symbol cF(8-x), space group Fmm) at 658 K. The structure of Pd5B has been investigated by X-ray powder diffraction yielding the following structural data: I4/mmm, tI2.38; unit cell parameters a = 0.28490(4) nm, c = 0.40038(9) nm, c/a = 1.405 < √2, with the occupation 2Pd (a) and 0.19 x 2B (b). The crystal chemical data of Pd5B and some other homeotypic interstitial compounds of transition metals have been compared.

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Published Online: 2009-9-25
Published in Print: 2001-11-1

© 2001 Oldenbourg Wissenschaftsverlag GmbH

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