Causes and consequences of the stochastic aspect of filamentary RRAM
We review the sources of stochastic variations in 1D-Resistive RAM. Fabrication and filament forming step have an inherent variability. Filament shape variations result in broad resistive state distribution. RTN is caused by electrical events and filament vacancy fluctuations. At low current both ruptured filaments and narrowed filaments exist.
rram rtn stochastic events