Postdoctoral position open @ INMA (Zaragoza, Spain) Project GREENE "Single-Grain Re-Engineered Nd-Fe-B Permanent Magnets" Rare-earth-element (REE) permanent magnetsbased on Nd–Fe–B are vital for use in electric vehicles and wind turbines, making them central to Europe's green-energy future. These magnets have outstanding properties, but they are granular, multiphase materials whoseintrinsic properties are still under-exploited. GREENE focuses on aredesign of the Nd-Fe-B grain boundariesaimed atimproving the coercivity and reducing the rare-earch content, applying these new strategies to fresh, andrecycled feedstocksto reduce Europe's supply dependence. ThisGREENE postdoctoral position @ INMA (Zaragoza, Spain)will focus on theatomic scale and magnetic characterization of Nd-Fe-Bat different length-scales (single crystals, micro and nano-sized grains) and the newly designed grain boundaries by advancedaberration-corrected (S)TEM techniquesand local magnetic characterization byelectron holography and DPCimaging. This work will be performed at the electron microscopy facilities of theSpanish National Infrastructure for Electron Microscopy (ELECMI) of the Laboratory of Advanced Microscopy (LMA) at INMA (), which is equipped withtwo aberration-corrected TEMs: a 2025-upgraded double-corrected Titan Cube and a probe-corrected Titan 60-300, equipped with the most advanced imaging and spectroscopic tools for structural, chemical and magnetic analysis. Requirements for the candidate: · PhD in Physics, Materials Science, Nanoscience, Nanotechnologyor related. · Fluent in Englishwith good writing skills. · Experienced researcher inadvanced (S)TEM, preferably in (Nano)magnetism. · Scripting/programming skills (python, MATLAB…) will be highly valued. Details of the position: · ~22 months contract. · Official call pending. · Pre-selected candidates will be informed about application procedure. Tentative starting date: · 1stDecember 2025. Contact before20thOctober 2025 to: · César Magén,·