Size- and pressure-controlled ferromagnetism in LaCoO 3 nanoparticles

I. Fita,1,2,* V. Markovich,3 D. Mogilyansky,4 R. Puzniak,1 A. Wisniewski,1 L. Titelman,4 L. Vradman,4 M. Herskowitz,4 V. N. Varyukhin,2 and G. Gorodetsky3 1Institute of Physics, Polish Academy of Sciences, Aleja Lotnikow 32/46, 02-668 Warsaw, Poland 2Donetsk Institute for Physics & Technology, National Academy of Sciences, 83114 Donetsk, Ukraine 3Department of Physics, Ben-Gurion University of the Negev, 84105 Beer-Sheva, Israel 4Blechner Center for Industrial Catalysis & Process Development, Department of Chemical Engineering, Ben-Gurion University of the