PT Journal AU Meffert, M Wankmüller, F Störmer, H Weber, A Lupetin, P Ivers‐Tiffée, E Gerthsen, D TI Optimization of Material Contrast for Efficient FIB‐SEM Tomography of Solid Oxide Fuel Cells SO Fuel cells PY 2020 BP 580 EP 591 VL 20 IS 5 DI 10.1002/fuce.202000080 LA english ER