Structural origins of the excellent glass forming ability of Pd 40Ni 40P 20

P. F. Guan, T. Fujita, Akihiko Hirata, Y. H. Liu, M. W. Chen

Research output: Contribution to journalArticle

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Abstract

We report a hybrid atomic packing scheme comprised of a covalent-bond-mediated "stereochemical" structure and a densely packed icosahedron in a bulk metallic glass Pd 40Ni 40P 20. The coexistence of two atomic packing models can simultaneously satisfy the criteria for both the charge saturation of the metalloid element and the densest atomic packing of the metallic elements. The hybrid packing scheme uncovers the structural origins of the excellent glass forming ability of Pd 40Ni 40P 20 and has important implications in understanding the bulk metallic glass formation of metal-metalloid alloys.

Original languageEnglish
Article number175501
JournalPhysical Review Letters
Volume108
Issue number17
DOIs
Publication statusPublished - 2012 Apr 24
Externally publishedYes

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glass
metalloids
metallic glasses
covalent bonds
saturation
metals

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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Structural origins of the excellent glass forming ability of Pd 40Ni 40P 20 . / Guan, P. F.; Fujita, T.; Hirata, Akihiko; Liu, Y. H.; Chen, M. W.

In: Physical Review Letters, Vol. 108, No. 17, 175501, 24.04.2012.

Research output: Contribution to journalArticle

Guan, P. F. ; Fujita, T. ; Hirata, Akihiko ; Liu, Y. H. ; Chen, M. W. / Structural origins of the excellent glass forming ability of Pd 40Ni 40P 20 In: Physical Review Letters. 2012 ; Vol. 108, No. 17.
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