Determination of electronic properties of molecular objects on the basis of nanodevices' transport characteristics

In this paper we have investigated the possibility of determining single-electron spectrum of the nano-object, that is used as the central island of a single-electron transistor. The method for the charge spectra and single-particle transport spectra determination on the basis of the experimental stability diagram was suggested. It was shown, that to calculate the total energy spectrum of a molecular nano-object for various charging and excitation states and a single-particle spectrum, one needs to measure the blockade diamonds of the stability diagram. To identify the electron energy relaxation type in the molecular nano-object it is necessary to measure the stability diagram of the molecular single-electron transistor up to the first non-blockade diamond. In addition, a method of calculation of tunneling rates via single-particle energy levels of the molecular object has been suggested. Calculation of energy spectrum for various charging and excitation states has been carried out, on the basis of experimental data.