New methods of measuring thermal and thermoelectric characteristics of substances,particularly semi-conductors on samples of undefined shape

A new method of measuring the thermal and thermoelectric characteristics of materials, especially semi-conductors, is elaborated theoretically and experimentally. Measurements are made in an unstationary regime on large enough samples (e.g. in liquids) but it is also possible to measure by stationary means. The contacts are either probes or linear. An especial advantage of the proposed methods is that they are quick, and, if linear wires are chosen as contacts, all the most important electrical, thermal and thermoelectric characteristics of materials can be measured in the same arrangement even up to high temperatures, and also in the liquid state after melting. In such an arrangement the conduction of heat by convection or radiation has no influence on the measurements.