The special software package for the electron energy spectrum study of semiconductors

Special software package named FEESA was developed for the multipurpose electronic measurement system, based on the field electron energy analyzer. FEESA tests both the spectrometer control system and the measuring electric circuit to check for a possible circuit break and its location. The field emission current as a function of the total voltage applied between the cold cathode and the anode - the I-V characteristics was measured. The probe hole technique was used to study emission from different parts of the emitting surface. The software package was created for the "electron spectrometer -computer" interface that provides the range of analyzed energies of the field-emission electrons up to 12 eV below the vacuum level with the scan step from 20 meV and the step time about 10^-6 s for anode voltage in a range of 100V - 4000V.