Penentuan Waktu Loncatan Hopping dan Konsentrasi Pembawa Muatan Listrik pada Konduktor Superionik Rb4Cu16l7+xCl ,3,x Konduktor superionik tidak-stoikiometrik RbjCui6l7 The Determination of Hopping Rates and Carrier Concentrations in Rb4Cu,6l7+xCli3.x Superionic Conductor Non-stoichiometric superionic conductor RbJCui617+xCi3_x has been synthesized by solid state reaction. The frequency response of frequency dependent conductivity have been measured by a.c. complex impedance bridge methods in the temperature range 200-460 K. The a.c. conductivity of superionic materials takes the form, a=<(0) + Aof. The carrier hopping rate a>p is obtained from the new expression a(0)=Ao)p, and the carrier concentration is estimated from a(0). The contribution of creation and migration terms to the activation energy from conduction may be determined from the thermal activation of a(0) and a^ and the corresponding entropy terms quantified. In this paper , conductivity data is analyzed, to obtain the carrier concentration and hopping rates of Rb4Cui6I7x+5l13-2. |