From Polyethylene to Highly Graphitic and Magnetic Carbon Spheres Nanocomposites: Carbonization under Pressure Castelo-Quibén, Jesica Pastrana Martínez, Luisa María Carrasco Marín, Francisco Pérez Cadenas, Agustín Francisco Carbon microspheres Metal-carbon nanocomposites Magnetic composites Carbon nanocomposites microspheres were synthesized from Low-Density Polyethylene (LDPE) by a facile one-step strategy under solvent-free conditions. The synthesis of these materials was carried out in a closed Hastelloy® reactor at 700 ºC. The treatment, during which autogenic pressure was generated, leads to highly graphitic materials with stunning properties, particularly concerning the oxidation resistance (compared to the graphite stability). The metallic doping triggers the growth of nanostructures with diverse morphologies around the spheres, obtaining samples with magnetic properties. 2019-05-18T22:59:56Z 2019-05-18T22:59:56Z 2019-04-12 info:eu-repo/semantics/article Castelo-Quibén, J. [et al.]. From Polyethylene to Highly Graphitic and Magnetic Carbon Spheres Nanocomposites: Carbonization under Pressure. Nanomaterials 2019, 9, 606; doi:10.3390/nano9040606. 2079-4991 http://hdl.handle.net/10481/55771 10.3390/nano9040606 eng http://creativecommons.org/licenses/by/3.0/es/ info:eu-repo/semantics/openAccess Atribución 3.0 España MDPI