Local structural evolution of mechanically alloyed Mg50Co 50 using atomic pair distribution function analysis

Hyunjeong Kim, Jin Nakamura, Huaiyu Shao, Yumiko Nakamura, Etsuo Akiba, Karena W. Chapman, Peter J. Chupas, Thomas Proffen

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Milling-time-dependent local structural evolution of mechanically alloyed Mg50Co50 was investigated by the atomic pair distribution function analysis using both neutron and synchrotron X-ray powder diffraction data. The initial powder mixture was composed of three phases: hexagonal close-packed (hcp) Mg, hcp Co, and face-centered cubic (fcc) Co. As milling progressed, rather rapid reduction in crystallite sizes of hcp Mg and hcp Co along with the formation of the Mg50Co50 phase was observed. Meanwhile, size reduction in the fcc Co phase was found to be relatively gradual, accompanied by heavy strain. Mg50Co50 forms at the early stage of milling and bears an amorphous nature.

Original languageEnglish
Pages (from-to)7723-7728
Number of pages6
JournalJournal of Physical Chemistry C
Volume115
Issue number15
DOIs
Publication statusPublished - Apr 21 2011

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Distribution functions
distribution functions
Crystallite size
Synchrotrons
Powders
X ray powder diffraction
Neutrons
bears
synchrotrons
neutrons
diffraction
x rays

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Energy(all)
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films

Cite this

Kim, H., Nakamura, J., Shao, H., Nakamura, Y., Akiba, E., Chapman, K. W., ... Proffen, T. (2011). Local structural evolution of mechanically alloyed Mg50Co 50 using atomic pair distribution function analysis. Journal of Physical Chemistry C, 115(15), 7723-7728. https://doi.org/10.1021/jp111711c

Local structural evolution of mechanically alloyed Mg50Co 50 using atomic pair distribution function analysis. / Kim, Hyunjeong; Nakamura, Jin; Shao, Huaiyu; Nakamura, Yumiko; Akiba, Etsuo; Chapman, Karena W.; Chupas, Peter J.; Proffen, Thomas.

In: Journal of Physical Chemistry C, Vol. 115, No. 15, 21.04.2011, p. 7723-7728.

Research output: Contribution to journalArticle

Kim, H, Nakamura, J, Shao, H, Nakamura, Y, Akiba, E, Chapman, KW, Chupas, PJ & Proffen, T 2011, 'Local structural evolution of mechanically alloyed Mg50Co 50 using atomic pair distribution function analysis', Journal of Physical Chemistry C, vol. 115, no. 15, pp. 7723-7728. https://doi.org/10.1021/jp111711c
Kim, Hyunjeong ; Nakamura, Jin ; Shao, Huaiyu ; Nakamura, Yumiko ; Akiba, Etsuo ; Chapman, Karena W. ; Chupas, Peter J. ; Proffen, Thomas. / Local structural evolution of mechanically alloyed Mg50Co 50 using atomic pair distribution function analysis. In: Journal of Physical Chemistry C. 2011 ; Vol. 115, No. 15. pp. 7723-7728.
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