Spin-entropy contribution to thermopower in the [Ca${}_2$CoO${}_{3-t}$]${}_{0.62}$(CoO${}_2$) misfits

J. Hejtmánek, Z. Jirák, J. Šebek

Two samples of the [Ca${}_2$CoO${}_{3-t}$]${}_{0.62}$(CoO${}_2$) misfit cobaltate, often denoted as the Ca${}_3$Co${}_{3.93}$O${}_9$ phase, were prepared from the same ceramic material by th…