Výsledky vyhledávání - "R. P. van Gorkom"

Negative resistance contribution of a domain-wall structure in a constricted geometry

Autor: J. Caro, V. I. Kozub, R Reinder Coehoorn, K. P. Wellock, S. Radelaar, R. P. van Gorkom, Wouter Oepts, K. I. Schreurs, N. N. Gribov, S. J. C. H. Theeuwen, RM Jungblut

Publikováno v: Journal of Applied Physics. 89:4442-4453

We study the magnetoresistance (MR) of Py/Py, Co/Py, Co/Co, Ni/Ni, and Co/Cu point contacts (Py=permalloy=Ni80Fe20). These devices are narrow constrictions or channels (diameter, length ≈30 nm) between two thin film electrodes. Due to the small siz

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::125c88fabbc43cc8edd58443e18e3c04
https://doi.org/10.1063/1.1351547

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Giant magnetoresistance of magnetic multilayer point contacts

Autor: J. Caro, K. P. Wellock, S. J. C. H. Theeuwen, B. J. Hickey, N. N. Gribov, Frans D. Tichelaar, S. Radelaar, R. P. van Gorkom, Christopher H. Marrows

Publikováno v: Physical Review B-Condensed Matter and Materials Physics, 60 (14)

We have studied the giant magnetoresistance ~GMR! in magnetic multilayer point contacts of three different types. The first generation contacts were made by deposition with molecular-beam epitaxy ~MBE! of an uncoupled Co/Cu multilayer on a pre-etched

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::06bdb7dbd09f7c4153e6138ff3363f55
https://doi.org/10.1103/physrevb.60.10291

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Role of boundary conditions and dimensions on the micromagnetics of a cobalt point contact

Autor: K. P. Wellock, R. P. van Gorkom, J. Caro, S. J. C. H. Theeuwen, N. N. Gribov, S. Radelaar

Publikováno v: Journal of Applied Physics. 85:6196-6198

We have calculated the micromagnetic structure of a Co point contact, for applied magnetic fields parallel (H∥) and perpendicular (H⊥) to the device’s electrodes. Different boundary conditions and dimensions have been examined. In most situatio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e6e2fad9f961431c077d31768ff1fb6f
https://doi.org/10.1063/1.370219

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Micromagnetics and magnetoresistance of a Permalloy point contact

Autor: R. P. van Gorkom, K. P. Wellock, N. N. Gribov, S. Radelaar, S. J. C. H. Theeuwen, J. Caro

Publikováno v: Applied Physics Letters. 74:422-424

We performed micromagnetic calculations for a Permalloy point contact. The magnetization configurations show the formation of a Neel wall in the constriction. The occurrence of a Neel wall instead of a Bloch wall results from the dipole–dipole ener

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3e4c8b27c48bdc46ef582ab3e28371e1
https://doi.org/10.1063/1.123048

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Etendue conserved color mixing

Autor: R. P. van Gorkom, Gilbert Martinus Verbeek, M.A.J. van As, H. Cooijmans, R. G. Alferink, C. A. Mutsaers, Christoph G. A. Hoelen

Publikováno v: SPIE Proceedings.

Colored variable lighting is being used in more and more locations to enhance the "beauty" and "atmosphere" of interiors and exteriors. Lamps based on different colored LED are an obvious choice for such systems. The light from the differently colore

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::80f7f99d008473a57268bd48925d4bc9
https://doi.org/10.1117/12.733748

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Temperature and angular dependence of the anisotropic magnetoresistance in epitaxial Fe films

Autor: S. Radelaar, T. M. Klapwijk, J. Caro, R. P. van Gorkom

Publikováno v: Physical Review B-Condensed Matter and Materials Physics, 63

We perform detailed temperature dependent measurements of the magnetoresistance (MR) and its angular dependence of epitaxial Fe (110) films. The angular dependence of the MR at $H=10$ kOe is found to change strongly when going from $T=4.2$ K to $T=23

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::77033492b104f08be1daab715cf2a8b3
https://doi.org/10.1103/physrevb.63.134432

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Negative domain wall resistance in ferromagnets

Autor: Gerrit E. W. Bauer, Arne Brataas, R. P. van Gorkom

Publikováno v: ResearcherID
Physical Review Letters, 83 (21)

The electrical resistance of a diffusive ferromagnet with magnetic domain walls is studied theoretically, taking into account the spatial dependence of the magnetization. The semiclassical domain wall resistance is found to be either negative or posi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e43c9786499a81b5edd2ab44e1fef5d8
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000083745600045&KeyUID=WOS:000083745600045

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