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We probe electronic excitations between Landau levels in freestanding$N-$layer graphene over a broad energy range, with unprecedented spectral andspatial resolution, using micro-magneto Raman scattering spectroscopy. Acharacteristic evolution of electronic bands in up to five Bernal-stackedgraphene layers is evidenced and shown to remarkably follow a simpletheoretical approach, based on an effective bilayer model. $(N>3)$-layergraphene appear as appealing candidates in the quest for novel phenomena,particularly in the quantum Hall effect regime. Our work paves the way towardsminimally-invasive investigations of magneto-excitons in other emerginglow-dimensional systems, with a spatial resolution down to 1$~\mu$m.

Probing electronic excitations in mono- to pentalayer graphene by micro-magneto-Raman spectroscopy