We investigated magnetic properties of epitaxial Sr0.8Ho0.2CoO3-delta thin films grown on single crystal SrTiO3 substrates deposited by pulsed laser deposition method. On the single crystal (100) and (111) SrTiO3 substrates, the (100)- and (111)-oriented Sr0.8Ho0.2CoO3-delta thin films were obtained, respectively. The (100)- and (111)-oriented Sr0.8Ho0.2CoO3-delta thin films exhibited rough surface with grains and smooth surface with a step and terrace structure, respectively. This result suggests they grow in an island and layer-by-layer growth mode, respectively. The (111)-oriented Sr0.8Ho0.2CoO3-delta thin film exhibited ferromagnetic hysteresis with remnant magnetization of 0.15 mu(B)/Co. In contrast, superparamagnetic hysteresis was observed in the (100)-oriented Sr0.8Ho0.2CoO3-delta thin film. (C) 2016 Elsevier B.V. All rights reserved.