Fig. 2: LCO-based TRNG.
From: True random number generation using the spin crossover in LaCoO3
a Twenty sequential oscillations at Iext = 3.2 mA. b Fourier transform of the first oscillation in a to approximate the oscillation frequency (~2 MHz). c Distribution of time period (tperiod) in oscillations. d Circuit model of the TRNG composed of a memristor and a flip-flop. e Working principle of LCO-based TRNG. f Experimental demonstration of six consecutive cycles producing random binary outputs.
