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Ion/ionic conductivity

Electrical conductivity of metals is very high and is of the order of 106 108 ohm-1 cm-1 while that of insulators is of the order of 10-12 ohm-1 cm-1. Semi-conductors have intermediate conductivity which lies in the range 102 10-9 ohm-1 cm1. Electrical conductivity of solids may arise through the motion of electrons and positive holes (electronic conductivity) or through the motion of ions (ionic conductivity). The conduction through electrons is called n-type conduction and through positive holes is called p-type conduction. Pure ionic solids where conduction can take place only through motion of ions are insulators. However, the presence of defects in the crystal structure increases their conductivity. [Pg.137]


See other pages where Ion/ionic conductivity is mentioned: [Pg.380]    [Pg.104]    [Pg.293]    [Pg.414]   
See also in sourсe #XX -- [ Pg.57 ]

See also in sourсe #XX -- [ Pg.54 , Pg.57 , Pg.129 , Pg.136 ]




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