68. Antiphase Boundaries in Truncated Octahedron-shaped Zn-doped Magnetite Nanocrystals
Nerio Fontaiña-Troitiño, Miguel A. Ramos-Docampo, Martín Testa-Anta, Benito Rodríguez-González, Manuel Bañobre-López, Laura Bocher, Keith P. McKenna, Verónica Salgueiriño
J. Materials Chemistry C (2018) 6, 12800-12807 (DOI: 10.1039/C8TC05731A).
The presence of antiphase boundaries with local ferromagnetic coupling is herein related to the magnetic performance of truncated octahedron-shaped zinc-doped magnetite nanocrystals. Atomic resolution STEM imaging reveals the presence of these antiphase boundaries perpendicular to the  direction of the spinel structure of the nanocrystals. Magnetic characterization and DFT calculations indicate a local ferromagnetic order, originating from Fe-Fe enrichment at these individual lattice defects in the nanocrystals, as the underlying cause of the magnetic response measured.
67. Shaping Iron Oxide Nanocrystals for Magnetic Separation Applications
Martín Testa-Anta, Sara Liébana-Viñas, Beatriz Rivas-Murias, Benito Rodríguez-González, Michael Farle, Verónica Salgueiriño
Nanoscale (2018), 10, 20462-20467 (DOI: 10.1039/C8NR05864D).
Iron oxide nanostructures are attractive for a variety of bio-related applications given their wide range of magnetic properties. Here, we report on the study of the magnetophoretic mobility of octapod-shaped nanocrystals, which we relate to stoichiometry, quality and elongation in the <111> direction of these cubic structures. This special morphology combines magnetocrystalline anisotropies, increases shape anisotropy and hinders the formation of an epitaxial wüstite-magnetite interface. As a result, one obtains nanocrystals with large magnetic susceptibility and small coercivity, that is, with optimum characteristics for magnetic guidance, separation, and drug delivery, due to the increased magnetophoretic mobility displayed.
66. Self-Assembly of Spherical or Rod-shaped Magnetic Nanocrystals onto Curved Substrates governed by the Radius of Curvature
Martín Testa-Anta, Miguel A. Correa-Duarte, Verónica Salgueiriño
Particle & Particle Systems Characterization (2018), 1800046 (DOI: 10.1002/ppsc.201800046).
65. Solvothermal Clustering of Magnetic Spinel Ferrite Nanocrystals: A Raman Perspective
Ruth Otero-Lorenzo, Miguel A. Ramos-Docampo, Benito Rodríguez-González, Miguel Comesaña-Hermo, Verónica Salgueiriño
Chemistry of Materials (2017), 29, 8729-8736 (DOI: 10.1021/acs.chemmater.7b02881).
64. Thermodynamically driven Oxidation-induced Kirkendall Effect in Octahedron-shaped Cobalt Oxide Nanocrystals
Miguel A. Ramos-Docampo, Beatriz Rivas-Murias, Benito Rodríguez-González, Verónica Salgueiriño
CrystEngComm (2017), 19, 5542-5548 (DOI: 10.1039/c7ce01285c).