A Co-59 NMR study to observe the effects of ball milling on small ferromagnetic cobalt particles

Speight, R. J. (Richard J.) and Wong, Alan and Ellis, P. and Hyde, T. and Bishop, P. T. and Smith, Mark E. (2009) A Co-59 NMR study to observe the effects of ball milling on small ferromagnetic cobalt particles. Solid State Nuclear Magnetic Resonance, 35 (2). pp. 67-73. ISSN 1527-3326

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Abstract

To demonstrate the potential of nuclear magnetic resonance (NMR) spectroscopy for investigating detailed structural properties in ferromagnetic materials, three different particle sized cobalt (Co) powders have been ball milled for 24 h are accurately characterised by internal-field Co-59 NMR. The Co-59 NMR spectra show distinct resonance bands corresponding to the different Co sites. face-centred-cubic (fcc), hexagonal-close-packed (hcp) and stacking faults (sfs), in Co metal powders. The hcp+fcc-->hcp phase transition encouraged by ball-milling was observed and quantitative values for each Co environment were obtained. (C) 2008 Elsevier Inc. All rights reserved.

Item Type:
Journal Article
Journal or Publication Title:
Solid State Nuclear Magnetic Resonance
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3108
Subjects:
?? CO-59 NMR, COBALT METAL, BALL MILLING, FERROMAGNETPHYSICSINSTRUMENTATIONCHEMISTRY(ALL)NUCLEAR AND HIGH ENERGY PHYSICSRADIATION ??
Departments:
ID Code:
52830
Deposited By:
Deposited On:
28 Feb 2012 13:15
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Sep 2023 04:02