Barrier Potential: The voltage across the depletion layer. This voltage is built into the pn junction because it is the difference of potential between the ions on both sides of the junction. It equals approximately 0.7 V for a silicon diode. Related posts: Personnel Management Operative Functions Administrative Role of PM Competency HR Management Role Change Personnel Policies Personnel Procedures Appealed Policies Implied Policies Specific Policies Personnel records Research Pure research Personnel research Attitude or Opinion Survey Turnover Secondary research Applied research Personnel audit Read more articles Previous PostBandwidth Next PostBase