Výsledky vyhledávání - "Klokkenburg, M."

Akademický článek

Comparison of reversible and irreversible dipolar assemblies in a ferrofluid

Autor: Klokkenburg, M., Erné, B.H.

Publikováno v: In Journal of Magnetism and Magnetic Materials 2006 306(1):85-91

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Akademický článek

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Akademický článek

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Ultracentrifugation of single-domain magnetite particles and the De Gennes-Pincus approach to ferromagnetic colloids in the dilute regime

Autor: Planken, K.L., Klokkenburg, M., Groenewold, J., Philipse, A.P., Colloïden en grenslagen, Physical and Colloid Chemistry, Sub Physical and Colloid Chemistry, Dep Scheikunde

Publikováno v: Journal of Physical Chemistry. B, 113, 3932. American Chemical Society

We report an analytical ultracentrifugation study on sedimentation in dilute stable dispersions of uniform, magnetic iron oxide (Fe3O4) colloids. On increase of the dipolar coupling constant, tuned by the average particle size, the linear concentrati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::3b7fdd7c8b5c205d5d9bc560b5cc2cb0
https://dspace.library.uu.nl/handle/1874/40028

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Low-temperature dynamics of magnetic colloids studied by time-resolved small-angle neutron scattering

Autor: Wiedenmann, A., Keiderling, U., Meissner, M., Wallacher, D., Gähler, R., May, R.P., Prévost, S., Klokkenburg, M., Erne, B.H., Kohlbrecher, J., Colloïden en grenslagen, Dep Scheikunde

Publikováno v: Physical review. B, Condensed matter and materials physics, 77(18), 184417/1. American Physical Society

The dynamics of ordering and relaxation processes in magnetic colloids has been studied by means of stroboscopic small angle neutron scattering techniques in an oscillating magnetic field. Surfactant stabilized ferrofluids (FFs) of Fe3O4 and Co nanop

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::e4950898ce4532b5c31a591f24b69ad8
https://dspace.library.uu.nl/handle/1874/33090

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Complex magnetic susceptibility setup for spectroscopy in the extremely low-frequency range

Autor: Kuipers, B.W.M., Bakelaar, I.A., Klokkenburg, M., Erne, B.H.

A sensitive balanced differential transformer was built to measure complex initial parallel magnetic susceptibility spectra in the 0.01–1000 Hz range. The alternating magnetic field can be chosen sufficiently weak that the magnetic structure of the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______101::37ab25206e2227d03b2685856eebdecd
https://dspace.library.uu.nl/handle/1874/33099

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Magnetization behavior of ferrofluids with cryogenically imaged dipolar chains

Autor: Klokkenburg, M., Erne, B.H., Mendelev, V., Ivanov, A.O., Colloïden en grenslagen, Dep Scheikunde

Publikováno v: Journal of physics. Condensed matter, 20(20), 204113/1. IOP PUBLISHING LTD

Theories and simulations have demonstrated that field-induced dipolar chains affect the static magnetic properties of ferrofluids. Experimental verification, however, has been complicated by the high polydispersity of the available ferrofluids, and t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::ffddef4ed9601a08c08ac442a8abafa5
https://dspace.library.uu.nl/handle/1874/33081

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Short-range magnetic order in two-dimensional cobalt-ferrite nanoparticle assemblies

Autor: Georgescu, M, Viota, J.L., Klokkenburg, M., Erne, B.H., Vanmaekelbergh, D., Zeijlmans Van Emmichoven, P.A., Chemie van de vaste stof: Luminescentie en elektrochemie, Colloïden en grenslagen, Surfaces, Interfaces and Devices, Dep Scheikunde, Dep Natuurkunde

Publikováno v: Physical review. B, Condensed matter and materials physics, 77(2), 024423/1. American Physical Society

Magnetic order in two-dimensional islands of spherical 21 nm cobalt-ferrite (CoFe2O4) nanoparticles is studied by magnetic force microscopy and spectroscopy. Images obtained at a temperature of 105 K clearly reveal the presence of repulsive and attra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::9048f3af9666d011b708f4239ed2f81a
https://dspace.library.uu.nl/handle/1874/32754

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Dipolar structures in magnetite ferrofluids studied with small-angle neutron scattering with and without applied magnetic field

Autor: Klokkenburg, M., Erne, B.H., Wiedenmann, A., Petukhov, A.V., Philipse, A.P., Colloïden en grenslagen, Dep Scheikunde, Physical and Colloid Chemistry 1

Publikováno v: Physical Review. E, Statistical, nonlinear, and soft matter physics, 75, 051408. American Physical Society

Field-induced structure formation in a ferrofluid with well-defined magnetite nanoparticles with a permanent magnetic dipole moment was studied with small-angle neutron scattering (SANS) as a function of the magnetic interactions. The interactions we

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::03a89275bebe61cd1d3ba6fa859874d8
https://dspace.library.uu.nl/handle/1874/26658

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