Characterisation and Validation of Submicron Structures in a Fe–Al–Nb Alloy Using Inverse Modelling of the PN Method for EPMAGaurav Achuda, Tamme Claus, Manuel Torrilhon and Silvia RichterEPJ Web Conf., 349 (2026) 01002DOI: https://doi.org/10.1051/epjconf/202634901002