Pressure induced antiferromagnet-ferromagnet transition in La0.5Ba0.5CoO2.8 cobaltite I.O. Troyanchuk, M.V. Bushinsky, V. Sikolenko, V. Efimov, C. Ritter, T. Hansen and D.M. Többens Eur. Phys. J. B, 86 10 (2013) 435 Published online: 16 October 2013 DOI: 10.1140/epjb/e2013-40617-x