Search Results - "Mørup, Steen"

Thermoinduced magnetization in nanoparticles of antiferromagnetic materials by Mørup, Steen, Frandsen, Cathrine

“…We show that there is a thermoinduced contribution to the magnetic moment of nanoparticles of antiferromagnetic materials. It arises from thermal excitations…”
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Uniform magnetic excitations in nanoparticles by Mørup, Steen, Hansen, Britt Rosendahl

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Magnetic interactions between nanoparticles by Mørup, Steen, Hansen, Mikkel Fougt, Frandsen, Cathrine

“…We present a short overview of the influence of inter-particle interactions on the properties of magnetic nanoparticles. Strong magnetic dipole interactions…”
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On the interpretation of Mössbauer spectra of magnetic nanoparticles by Fock, Jeppe, Hansen, Mikkel Fougt, Frandsen, Cathrine, Mørup, Steen

“…•Expressions for the superparamagnetic relaxation time of magnetic nanoparticles are reviewed.•Consequences of using the simple Néel and Brown expressions with…”
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Directing a Non‐Heme Iron(III)‐Hydroperoxide Species on a Trifurcated Reactivity Pathway by Wegeberg, Christina, Lauritsen, Frants R., Frandsen, Cathrine, Mørup, Steen, Browne, Wesley R., McKenzie, Christine J.

“…The reactivity of [FeIII(tpena)]2+ (tpena=N,N,N′‐tris(2‐pyridylmethyl)ethylenediamine‐N′‐acetate) as a catalyst for oxidation reactions depends on its ratio to…”
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Precipitation pathways for ferrihydrite formation in acidic solutions by Zhu, Mengqiang, Frandsen, Cathrine, Wallace, Adam F., Legg, Benjamin, Khalid, Syed, Zhang, Hengzhong, Mørup, Steen, Banfield, Jillian F., Waychunas, Glenn A.

“…Iron oxides and oxyhydroxides form via Fe3+ hydrolysis and polymerization in many aqueous environments, but the pathway from Fe3+ monomers to oligomers and…”
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Halogen-Bonding-Assisted Iodosylbenzene Activation by a Homogenous Iron Catalyst by de Sousa, David P., Wegeberg, Christina, Vad, Mads Sørensen, Mørup, Steen, Frandsen, Cathrine, Donald, William A., McKenzie, Christine J.

“…The iron(III) complex of hexadentate N,N,N′‐tris(2‐pyridylmethyl)ethylendiamine‐N′‐acetate (tpena−) is a more effective homogenous catalyst for selective…”
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A Combined X-ray Absorption and Mössbauer Spectroscopy Study on Fe Valence and Secondary Mineralogy in Granitoid Fracture Networks: Implications for Geological Disposal of Spent Nuclear Fuels by Yu, Changxun, Drake, Henrik, Dideriksen, Knud, Tillberg, Mikael, Song, Zhaoliang, Mørup, Steen, Åström, Mats E

“…Underground repository in crystalline bedrock is a widely accepted solution for long-term disposal of spent nuclear fuels. During future deglaciations,…”
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Reversible Guest Binding in a Non-Porous FeII Coordination Polymer Host Toggles Spin Crossover by Lennartson, Anders, Southon, Peter, Sciortino, Natasha F., Kepert, Cameron J., Frandsen, Cathrine, Mørup, Steen, Piligkos, Stergios, McKenzie, Christine J.

“…Formation of either a dimetallic compound or a 1 D coordination polymer of adiponitrile adducts of [Fe(bpte)]2+ (bpte=[1,2‐bis(pyridin‐2‐ylmethyl)thio]ethane)…”
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Characterisation of Dynabeads ® by magnetization measurements and Mössbauer spectroscopy by Fonnum, Geir, Johansson, Christer, Molteberg, Astrid, Mørup, Steen, Aksnes, Elin

“…X-ray diffraction, SEM analysis, Mössbauer spectroscopy and magnetic measurements were used to characterize three different magnetic beads (Dynabeads ®)…”
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57Fe-Mössbauer spectroscopy and electrochemical activities of graphitic layer encapsulated iron electrocatalysts for the oxygen reduction reaction by Zhong, Lijie, Frandsen, Cathrine, Mørup, Steen, Hu, Yang, Pan, Chao, Cleemann, Lars Nilausen, Jensen, Jens Oluf, Li, Qingfeng

“…[Display omitted] •Graphitic layer encapsulated iron based catalysts with varied compositions prepared.•The components recognized including α-Fe, γ-Fe,…”
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Dynamics of Magnetic Nanoparticles Studied by Neutron Scattering by Hansen, Mikkel F., Bødker, Franz, Mørup, Steen, Lefmann, Kim, Clausen, Kurt N., Lindgård, Per-Anker

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Uniform excitations in magnetic nanoparticles by Mørup, Steen, Frandsen, Cathrine, Hansen, Mikkel Fougt

“…We present a short review of the magnetic excitations in nanoparticles below the superparamagnetic blocking temperature. In this temperature regime, the…”
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Sodium diffusion in boroaluminosilicate glasses by Smedskjaer, Morten M., Zheng, Qiuju, Mauro, John C., Potuzak, Marcel, Mørup, Steen, Yue, Yuanzheng

“…Understanding the fundamentals of alkali diffusion in boroaluminosilicate (BAS) glasses is of critical importance for advanced glass applications, e.g., the…”
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An aqueous non-heme Fe(IV)oxo complex with a basic group in the second coordination sphere by Vad, Mads Sørensen, Lennartson, Anders, Nielsen, Anne, Harmer, Jeffrey, McGrady, John E, Frandsen, Cathrine, Mørup, Steen, McKenzie, Christine J

“…The Fe(IV)oxo complex of a coordinatively flexible multidentate mono-carboxylato ligand is obtained by the one electron oxidation of a low spin Fe(III)…”
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Temperature dependence of the magnetization of canted spin structures by Jacobsen, Henrik, Lefmann, Kim, Brok, Erik, Frandsen, Cathrine, Mørup, Steen

“…Numerous studies of the low-temperature saturation magnetization of ferrimagnetic nanoparticles and diamagnetically substituted ferrites have shown an…”
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Anomalous Particle Size Dependence of Magnetic Relaxation Phenomena in Goethite Nanoparticles by Frandsen, Cathrine, Madsen, Daniel Esmarch, Boothroyd, Chris B., Mørup, Steen

“…By use of Mössbauer spectroscopy we have studied the magnetic properties of samples of goethite nanoparticles with different particle size. The spectra are…”
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Influence of cation disorder on the magnetic properties of ball-milled ilmenite (FeTiO3) by Mørup, Steen, Rasmussen, Helge K., Brok, Erik, Keller, Lukas, Frandsen, Cathrine

“…We have investigated the evolution of crystal structure, cation disorder and magnetic properties of ilmenite (FeTiO3) after increasing time of high-energy…”
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Thermoinduced magnetization and uncompensated spins in antiferromagnetic nanoparticles by Madsen, Daniel Esmarch, Mørup, Steen

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On the interpretation of magnetization data for antiferromagnetic nanoparticles by Madsen, Daniel Esmarch, Mørup, Steen, Hansen, Mikkel Fougt

“…We have investigated the influence of anisotropy on the magnetization curves of antiferromagnetic nanoparticles. We show that if such curves are analyzed in a…”
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