The temperaturę dependence of ε and tgδ was investigated for monocrystalline sample of $Pb(Cd_{1/3}Nb_{2/3})O_3$ various measurement field frequencies. A strong connection between dielectric properties and field frequency ...

Principle of operation and construction of device with programmed regulation of temperature difference. Basic parameters of device and example measurements of Seebech coefficient in $NaNbO_3$ were shown.