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title:(Magnetic AND Nanoparticles)

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1 Book chapter

Magnetic Nanoparticles

Mørup, Steen; Hansen, Mikkel Fougt; Frandsen, Cathrine

Comprehensive Nanoscience and Technology — 2011, pp. 437-491

The magnetic properties of nanoparticles are reviewed. Magnetic domains and single-domain particles are introduced and the magnetic structure and anisotropy of nanoparticles are discussed. The magnetic excitations in magnetic nanoparticles both above the blocking temperature (superparamagnetism

Year: 2011

Language: English

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2 Book chapter

Magnetic Properties of Nanoparticles

Mørup, Steen; Frandsen, Cathrine; Hansen, Mikkel Fougt

Oxford Handbook of Nanoscience and Technology — 2010, pp. 713-744

Year: 2010

Language: English

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3 Journal article

Structure and dynamic of magnetic nanoparticles

Year: 2000

Language: English

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4 Journal article

Uniform excitations in magnetic nanoparticles

We present a short review of the magnetic excitations in nanoparticles below the superparamagnetic blocking temperature. In this temperature regime, the magnetic dynamics in nanoparticles is dominated by uniform excitations, and this leads to a linear temperature dependence of the magnetization

Year: 2010

Language: English

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5 Conference paper · Journal article

Structure and dynamics of magnetic nanoparticles

In this paper we present X-ray and neutron diffraction data illustrating aspects of crystal and magnetic structures of ferromagnetic alpha-Fe and antiferromagnetic NiO nanoparticles, as well as inelastic neutron scattering studies of the magnetic fluctuations in NiO and in canted antiferromagnetic

Year: 2000

Language: English

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6 Journal article

Magnetic properties of hematite nanoparticles

Year: 2000

Language: English

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7 Journal article

Uniform magnetic excitations in nanoparticles

We have used a spin-wave model to calculate the temperature dependence of the (sublattice) magnetization of magnetic nanoparticles. The uniform precession mode, corresponding to a spin wave with wave vector q=0, is predominant in nanoparticles and gives rise to an approximately linear temperature

Year: 2005

Language: English

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8 Book chapter

1.04 Magnetic Nanoparticles

Mørup, Steen; Hansen, Mikkel F.; Frandsen, Cathrine

Comprehensive Nanoscience and Nanotechnology — 2019, pp. 89-140

Year: 2019

Language: English

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9 Journal article

Magnetic properties of hematite nanoparticles

The magnetic properties of hematite (alpha-Fe2O3) particles with sizes of about 16 nm have been studied by use of Mossbauer spectroscopy, magnetization measurements, and neutron diffraction. The nanoparticles are weakly ferromagnetic at temperatures at least down to 5 K with a spontaneous

Year: 2000

Language: English

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10 Journal article

Magnetic interactions between nanoparticles

We present a short overview of the influence of inter-particle interactions on the properties of magnetic nanoparticles. Strong magnetic dipole interactions between ferromagnetic or ferrimagnetic particles, that would be superparamagnetic if isolated, can result in a collective state

Year: 2010

Language: English

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