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Title: Spontaneous organization of columnar nanoparticles in Fe-BN nanocomposite films

Abstract

Ion-beam sputtering codeposition assisted with either reactive (nitrogen) or inert gas (neon, argon, and krypton) has been used to fabricate Fe-BN nanocomposite thin films of Fe-rich nanoparticles encapsulated in nanocrystalline boron nitride. A combination of high-resolution and conventional transmission electron microscopy (TEM), grazing incidence small-angle x-ray scattering (GISAXS), electron diffraction, x-ray absorption, and Moessbauer spectroscopy has been used to investigate the structural characteristics of these films, both at nanometric and atomic scales. Crystallized {epsilon}-Fe{sub 3}N nanoparticles (typically 2.5 nm in size) have been obtained in N assisted films, whereas self-organized arrays of amorphous Fe{sub 2}B nanocolumns ({approx}3 nm in diameter and {approx}10 nm in height, with small size dispersion) have been synthesized in inert-gas assisted films. Quantitative analysis of the GISAXS patterns and of the local autocorrelation functions of the TEM images indicate a better spatial ordering in the 50 eV Ar assisted films, i.e., when backscattering and sputtering effects are minimized. Our results shows that low-energy assistance with light ions can be used to control the morphology as well as the spatial ordering and chemical composition of nanoparticles in insulating matrix.

Authors:
; ; ; ; ; ;  [1]
  1. Laboratoire de Metallurgie Physique, UMR 6630 CNRS, Universite de Poitiers, SP2MI, Teleport 2, Bvd M. et P. Curie, BP 30179, 86962 Futuroscope Chasseneuil Cedex (France)
Publication Date:
OSTI Identifier:
20665061
Resource Type:
Journal Article
Journal Name:
Physical Review. B, Condensed Matter and Materials Physics
Additional Journal Information:
Journal Volume: 71; Journal Issue: 3; Other Information: DOI: 10.1103/PhysRevB.71.035430; (c) 2005 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 1098-0121
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ABSORPTION; ARGON; BORON NITRIDES; COMPOSITE MATERIALS; ELECTRON DIFFRACTION; EV RANGE 10-100; ION BEAMS; IRON; IRON BORIDES; IRON NITRIDES; KRYPTON; MOESSBAUER EFFECT; NANOSTRUCTURES; NEON; PARTICLES; SMALL ANGLE SCATTERING; THIN FILMS; TRANSMISSION ELECTRON MICROSCOPY; X RADIATION; X-RAY DIFFRACTION

Citation Formats

Babonneau, D, Pailloux, F, Eymery, J -P, Denanot, M -F, Guerin, Ph, Fonda, E, Lyon, O, and Laboratoire pour l'Utilisation du Rayonnement Electromagnetique, Bat. 209D, Centre Universitaire, BP 34, 91898 Orsay Cedex. Spontaneous organization of columnar nanoparticles in Fe-BN nanocomposite films. United States: N. p., 2005. Web. doi:10.1103/PhysRevB.71.035430.
Babonneau, D, Pailloux, F, Eymery, J -P, Denanot, M -F, Guerin, Ph, Fonda, E, Lyon, O, & Laboratoire pour l'Utilisation du Rayonnement Electromagnetique, Bat. 209D, Centre Universitaire, BP 34, 91898 Orsay Cedex. Spontaneous organization of columnar nanoparticles in Fe-BN nanocomposite films. United States. doi:10.1103/PhysRevB.71.035430.
Babonneau, D, Pailloux, F, Eymery, J -P, Denanot, M -F, Guerin, Ph, Fonda, E, Lyon, O, and Laboratoire pour l'Utilisation du Rayonnement Electromagnetique, Bat. 209D, Centre Universitaire, BP 34, 91898 Orsay Cedex. Sat . "Spontaneous organization of columnar nanoparticles in Fe-BN nanocomposite films". United States. doi:10.1103/PhysRevB.71.035430.
@article{osti_20665061,
title = {Spontaneous organization of columnar nanoparticles in Fe-BN nanocomposite films},
author = {Babonneau, D and Pailloux, F and Eymery, J -P and Denanot, M -F and Guerin, Ph and Fonda, E and Lyon, O and Laboratoire pour l'Utilisation du Rayonnement Electromagnetique, Bat. 209D, Centre Universitaire, BP 34, 91898 Orsay Cedex},
abstractNote = {Ion-beam sputtering codeposition assisted with either reactive (nitrogen) or inert gas (neon, argon, and krypton) has been used to fabricate Fe-BN nanocomposite thin films of Fe-rich nanoparticles encapsulated in nanocrystalline boron nitride. A combination of high-resolution and conventional transmission electron microscopy (TEM), grazing incidence small-angle x-ray scattering (GISAXS), electron diffraction, x-ray absorption, and Moessbauer spectroscopy has been used to investigate the structural characteristics of these films, both at nanometric and atomic scales. Crystallized {epsilon}-Fe{sub 3}N nanoparticles (typically 2.5 nm in size) have been obtained in N assisted films, whereas self-organized arrays of amorphous Fe{sub 2}B nanocolumns ({approx}3 nm in diameter and {approx}10 nm in height, with small size dispersion) have been synthesized in inert-gas assisted films. Quantitative analysis of the GISAXS patterns and of the local autocorrelation functions of the TEM images indicate a better spatial ordering in the 50 eV Ar assisted films, i.e., when backscattering and sputtering effects are minimized. Our results shows that low-energy assistance with light ions can be used to control the morphology as well as the spatial ordering and chemical composition of nanoparticles in insulating matrix.},
doi = {10.1103/PhysRevB.71.035430},
journal = {Physical Review. B, Condensed Matter and Materials Physics},
issn = {1098-0121},
number = 3,
volume = 71,
place = {United States},
year = {2005},
month = {1}
}