Results of capacitance-voltage and current-voltage measurements performed o
n Ti/porous silicon (PS)/p-Si diode structures are presented. A 5-10 increa
se of conductivity and capacity has been observed at f < 10000 Hz in respon
se to the moisture change from 0 to 50%. Model of Schottky contact on thin
PS layer with the charge carriers inside of pores and PS/Si interface is ap
plied to explain the frequency dependence of conductivity/capacity as well
as moisture effect.