Open AccessТемпературные зависимости коэффициента термоэдс, удельного сопротивления и теплопроводности электронного и дырочного пирита FeS-=SUB=-2-=/SUB=- в интервале 293-400 K
Author(s) -
Н.П. Степанов,
С.А. Немов,
И.В. Свешников,
Г.И. Грабко,
А.Н. Власов,
А.В. Лесков,
А.А. Калашников,
Л.Э. Степанова
Publication year - 2021
Publication title -
fizika i tehnika poluprovodnikov
Language(s) - English
Resource type - Journals
eISSN - 1726-7315
pISSN - 0015-3222
DOI - 10.21883/ftp.2021.09.51303.9667
Subject(s) - electrical resistivity and conductivity , pyrite , thermoelectric effect , thermal conductivity , atmospheric temperature range , materials science , conductivity , range (aeronautics) , mineralogy , thermoelectric materials , seebeck coefficient , analytical chemistry (journal) , thermodynamics , chemistry , metallurgy , physics , composite material , environmental chemistry , quantum mechanics
The temperature dependences of the thermal EMF, the specific electrical conductivity, and the specific thermal conductivity of samples of natural pyrite FeS2, with electronic and hole-type conductivity, are studied in the temperature range of 293−400 K. The data obtained are in good agreement with the results of previous studies of the electrical properties of this mineral, established in the course of geophysical studies. Based on the results of the performed measurements, as well as taking into account the known data on the temperature behavior of the thermo-EMF and the specific electrical conductivity of pyrite in the range of 300−700 K, estimates of its thermoelectric efficiency are mad