Air-Stable Anisotropic Monocrystalline Nickel Nanowires Characterized Using Electron Holography

Drisko, G.L. ; Gatel, C. ; Fazzini, P.-F. ; Ibarra, A. (Universidad de Zaragoza) ; Mourdikoudis, S. ; Bley, V. ; Fajerwerg, K. ; Fau, P. ; Kahn, M.

Resumen: Nickel is capable of discharging electric and magnetic shocks in aerospace materials thanks to its conductivity and magnetism. Nickel nanowires are especially desirable for such an application as electronic percolation can be achieved without significantly increasing the weight of the composite material. In this work, single-crystal nickel nanowires possessing a homogeneous magnetic field are produced via a metal-organic precursor decomposition synthesis in solution. The nickel wires are 20 nm in width and 1-2 µm in length. The high anisotropy is attained through a combination of preferential crystal growth in the "100" direction and surfactant templating using hexadecylamine and stearic acid. The organic template ligands protect the nickel from oxidation, even after months of exposure to ambient conditions. These materials were studied using electron holography to characterize their magnetic properties. These thin nanowires display homogeneous ferromagnetism with a magnetic saturation (517 ± 80 emu cm-3), which is nearly equivalent to that of bulk nickel (557 emu cm-3). Nickel nanowires were incorporated into carbon composite test pieces and were shown to dramatically improve the electric discharge properties of the composite material.

Idioma: Inglés

DOI: 10.1021/acs.nanolett.7b04791

Año: 2018

Publicado en: Nano Letters 18, 3 (2018), 1733-1738
ISSN: 1530-6984

Factor impacto JCR: 12.279 (2018)

Categ. JCR: CHEMISTRY, PHYSICAL rank: 10 / 148 = 0.068 (2018) - Q1 - T1
Categ. JCR: MATERIALS SCIENCE, MULTIDISCIPLINARY rank: 19 / 293 = 0.065 (2018) - Q1 - T1
Categ. JCR: NANOSCIENCE & NANOTECHNOLOGY rank: 10 / 94 = 0.106 (2018) - Q1 - T1
Categ. JCR: PHYSICS, CONDENSED MATTER rank: 8 / 68 = 0.118 (2018) - Q1 - T1
Categ. JCR: CHEMISTRY, MULTIDISCIPLINARY rank: 16 / 172 = 0.093 (2018) - Q1 - T1
Categ. JCR: PHYSICS, APPLIED rank: 9 / 148 = 0.061 (2018) - Q1 - T1

Factor impacto SCIMAGO: 6.211 - Bioengineering (Q1) - Chemistry (miscellaneous) (Q1) - Nanoscience and Nanotechnology (Q1) - Materials Science (miscellaneous) (Q1) - Mechanical Engineering (Q1) - Condensed Matter Physics (Q1)

Financiación: info:eu-repo/grantAgreement/ES/DGA-FSE/E81
Financiación: info:eu-repo/grantAgreement/EUR/FEDER/CPER program

Tipo y forma: Artículo (PostPrint)

Área (Departamento): Área Física Materia Condensada (Dpto. Física Materia Condensa.)