1993
DOI: 10.1016/0038-1098(93)90450-2
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Magnetic properties of nanometric nickel particles

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Cited by 9 publications
(12 citation statements)
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“…1, based on a modification of Gen's levitationjet method. 19,23,[52][53][54] In this technique, a nickel wire is suspended inside a thin quartz tube (inner diameter -14 mm), heated up to melting and vaporization by the action of an electromagnetic field generated by a counter-current inductor powered by an industrial high frequency (HF) generator. This forms a liquid Ni droplet at the end of the wire.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…1, based on a modification of Gen's levitationjet method. 19,23,[52][53][54] In this technique, a nickel wire is suspended inside a thin quartz tube (inner diameter -14 mm), heated up to melting and vaporization by the action of an electromagnetic field generated by a counter-current inductor powered by an industrial high frequency (HF) generator. This forms a liquid Ni droplet at the end of the wire.…”
Section: Methodsmentioning
confidence: 99%
“…15 Although bulk metal Ni is ferromagnetic and NiO is antiferromagnetic, when their characteristic length scales are within a few nanometres, noticeable changes in their magnetic properties take place. 4,[16][17][18][19][20][21][22][23] Below approximately 17 nm, 24 ferromagnetic Ni nanoparticles are expected to enter a superparamagnetic regime as the thermal energy becomes dominant, hence randomizing the magnetic moments over a more or less wide range of temperatures greatly influenced by the particular size distribution. Both finite size and surface effects in very small NiO nanoparticles lead to a high magnetic moment and anisotropy.…”
Section: Introductionmentioning
confidence: 99%
“…5͔͒ of the dimer, as well as studies of the variation of the ionization potential 2,6 ͑IP͒ and the magnetic moments [7][8][9] with the size of the cluster. Several experiments 7,[10][11][12][13][14][15] have shown that the chemical and physical properties of clusters such as ionization potential, magnetic moment per atom, and attachment energies change with the size of the cluster, converging eventually to bulklike behavior. 16 The rate of convergence depends on the property that quantitative convergence often requiring tens, hundreds, or even more atoms.…”
Section: Introductionmentioning
confidence: 99%
“…Small transition metal clusters of various sizes have been extensively studied in recent years, mainly in relation to their magnetic properties, which are, at the same time, strongly determined by their geometry and electronic characteristics …”
Section: Introductionmentioning
confidence: 99%