Effect of oxygen content on the transport properties and magnetoresistance in [Ca${}_2$CoO${}_{3-\delta }$]${}_{0.62}$[CoO${}_2$] single crystals

X. G. Luo, X. H. Chen, G. Y. Wang +5

Transport property is investigated in [Ca${}_2$CoO${}_{3-\delta }$]${}_{0.62}$[CoO${}_2$] single crystals obtained by varying annealing conditions. The ${\rho }_{ab}(T)$ exhibits a resistivity min…