Switching fields of high-resolution magnetic force microscope tips coated with Co, Co75Pt10Cr15, Co75Pt25, and Co50Pt50 filmsShinji Ishihara, Mitsuru Ohtake and Masaaki FutamotoEPJ Web of Conferences, 75 (2014) 06007DOI: https://doi.org/10.1051/epjconf/20147506007