The Journal of Metastable and Nanocrystalline Materials (JMNM) is a peer-reviewed journal which is devoted to the rapid dissemination of recent high-quality research results concerning of metastable and amorphous materials, nanocrystalline and nanostructured materials, metallic glasses and nano-, microstructured hydrides and multicomponent (high entropy) alloys. JMNM is relaunched journal for publishing of stand-alone papers, Special Topic Volumes and conference materials related with main thematic of the journal.