Kinetics of electron emission from the TGS ferroelectric crystal

A study is reported on the behavior in time of the electron emission curren t density from a triglycine sulfate ferroelectric crystal measured at fixed temperatures. This relation is shown to have an exponential nature. The ch aracteristic emission relaxation time depends on temperature and decreases as one approaches the phase-transition point. The magnitude of the relaxati on time and its temperature dependence can be accounted for both within a m echanism in which the emission decay is associated with the emptying of sur face electron states, and in terms of the Maxwellian relaxation process. (C ) 2000 MAIK "Nauka/ Interperiodica".