Magnetotransport properties of nano-constriction array in La0.67Sr0.33MnO3 film H. J. Liu, T. Yang, W. C. Goh, C. H. Sow, S. N. Piramanayagam and C. K. Ong Eur. Phys. J. B, 48 1 (2005) 37-40 Published online: 09 December 2005 DOI: 10.1140/epjb/e2005-00371-4