L 55 Leonidov, I. A. Electronic Conductivity of Sr3 - 3xLa2xvacancyx(VO4)2 Solid Solutions / I. A. Leonidov, O. N. Leonidova, V. K. Slepukhin // Inorganic Materials. - 2000. - Vol. 36, № 1. - P. 72-75 : il. - Bibliogr. : p. 75 (8 ref.) Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): ЭЛЕКТРОННАЯ ПРОВОДИМОСТЬ -- РАСТВОРЫ ТВЕРДЫЕ -- ВАНАДАТЫ -- СТРОНЦИЙ -- ЛАНТАН Аннотация: The electronic conductivity of Sr 3 3xLa2x[vacancylx(VO4)2 solid solutions was measured at oxygen pressures from 10 -13 tO 105 Pa and temperatures from 1070 to 1270 K, and their band gap was determined as a function of composition. The activation energy (~2.85 eV) and enthalpies of electron generation (=,4.2 eV) and migration (~-0.75 eV) were determined. A correlation between the band gap and electronic conductivity of the solid solutions was revealed |