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Mixed mobile ion effect and cooperative motions in silver-sodium phosphate glasses

Andreas J. Hall (Institutionen för teknisk fysik, Kondenserade materiens fysik) ; Jan Swenson (Institutionen för teknisk fysik, Kondenserade materiens fysik) ; St. Adams ; C. Meneghini
Physical Review Letters (0031-9007). Vol. 101 (2008), 19, p. 195901.
[Artikel, refereegranskad vetenskaplig]

The conduction pathways and the extraordinary weak mixed mobile ion effect (MMIE) in AgxNa1-xPO3 glasses have been investigated by bond-valence analysis of reverse Monte Carlo produced structural models. We find that the MMIE is suppressed in this system due to a common cooperative hopping process, where both Ag and Na participate. This finding is in strong contrast to glass systems exhibiting a pronounced MMIE, where the two types of mobile ions have distinctly different conduction pathways and the M ions tend to block the pathways for the N ions and vice versa. © 2008 The American Physical Society.

Denna post skapades 2008-12-09. Senast ändrad 2016-07-21.
CPL Pubid: 80757


Institutioner (Chalmers)

Institutionen för teknisk fysik, Kondenserade materiens fysik (1900-2015)


Den kondenserade materiens fysik
Struktur- och vibrationsfysik
Övrig teknisk materialvetenskap

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