Z. Jirák

The electric, magnetic, and thermal properties of three perovskite cobaltites with the same 30% hole doping and ferromagnetic ground state were investigated down to very low temper…

cond-mat.str-el2010★ 66 cited

Metal-insulator transition and the Pr $^{3 +}$ /Pr $^{4 +}$ valence shift in (Pr $_{1 - y}$ Y $_{y}$ ) $_{0.7}$ Ca $_{0.3}$ CoO $_{3}$

J. Hejtmánek, E. Šantavá, K. Knížek +4

The magnetic, electric and thermal properties of the ( $L n_{1 - y}$ Y $_{y}$ ) $_{0.7}$ Ca $_{0.3}$ CoO $_{3}$ perovskites ( $L n$ ~=~Pr, Nd) were investigated down to very low temperatures. The m…

cond-mat.mtrl-sci2007★ 9 cited

Valence and spin states in perovskites LaCo0.95M0.05O3 (M = Mg, Ga, Ti)

J. Hejtmanek, Z. Jirak, K. Knizek +3

The samples LaCoO3 with dilute substitutions on cobalt sites have been studied using the resistivity, thermopower and magnetic susceptibility measurements over the temperature rang…

The ground state properties of the mixed-valence cobaltites Nd0.7​Sr0.3​CoO3​, Nd0.7​Ca0.3​CoO3​ and Pr0.7​Ca0.3​CoO3​

Metal-insulator transition and the Pr3+/Pr4+ valence shift in (Pr1−y​Yy​)0.7​Ca0.3​CoO3​

Valence and spin states in perovskites LaCo0.95M0.05O3 (M = Mg, Ga, Ti)

The ground state properties of the mixed-valence cobaltites Nd $_{0.7}$ Sr $_{0.3}$ CoO $_{3}$ , Nd $_{0.7}$ Ca $_{0.3}$ CoO $_{3}$ and Pr $_{0.7}$ Ca $_{0.3}$ CoO $_{3}$

Metal-insulator transition and the Pr $^{3 +}$ /Pr $^{4 +}$ valence shift in (Pr $_{1 - y}$ Y $_{y}$ ) $_{0.7}$ Ca $_{0.3}$ CoO $_{3}$