The invention relates to the technical field of
quantum computing and molecular electronic devices, in particular to a probabilistic bit device based on polyfluoroaryl methyl free radicals and a preparation method of the probabilistic bit device. According to the probabilistic bit device, the
coupling efficiency of molecules and electrodes is improved by virtue of the characteristic that the paramagnetic
unpaired electron spin state of tri (polyfluoroaryl) methyl free radical molecules can be used as a random expansion physical entropy source and high
electronegativity and stability formed by modification of a plurality of strong
electron-withdrawing
fluorine atoms in the molecules. During the operation period of the device, the spin fluctuation can efficiently regulate and control
tunneling current passing through molecules, promote random conversion between output high and low current states, show excellent random binary fluctuation characteristics, and simultaneously have high sensitivity and long
coherence time. Compared with the prior art, the device has remarkable advantages in the aspects of device stability, energy efficiency ratio and
external field controllability. The preparation method is simple and convenient to operate, mild in reaction condition and beneficial to large-scale production.