Journal
ACS NANO
Volume 4, Issue 9, Pages 5414-5420Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nn1010667
Keywords
TiO(2); electrochemical cell; resistance switching; conductive filament; Rayleigh instability; Auger spectrometry; scanning electron microscopy; transmission electron microscopy
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Funding
- Industrial Technology and Research Institute
- National Tsing Hua University [99N2461E1]
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In this paper, we report on the formation and rupture of Ag nanofilament on planar Ag/TiO(2)/Pt cells using visual observation. During the forming process, the filament tends to stay very thin. Specifically, it is so thin that it breaks up into a chain of nanospheres (according to Rayleigh instability) right after the formation has been completed. Similar mechanical breakup may also impact vertically stacked cells, causing reliability concerns.
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