Výsledky vyhledávání - "E. C. Cosman"

Structural and magnetic studies of ultrathin epitaxial Co films deposited on a Pd(111) single crystal

Autor: H.W. van Kesteren, W. Hoving, S.T. Purcell, E. C. Cosman

Publikováno v: Journal of Magnetism and Magnetic Materials. 93:25-30

We have studied the structure and magnetic properties of ultrathin epitaxial Pd/Co films deposited by vapor deposition in ultrahigh vacuum on a Pd(111) single crystal. The film crystal structure was characterized by LEED and RHEED and the magnetic pr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::af529316fe5ee31001f9ba62fa52e353
https://doi.org/10.1016/0304-8853(91)90297-n

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Optically detected magnetic resonance of Si donors inAlxGa1−xAs

Autor: E. C. Cosman, J. C. M. Henning, E. A. Montie

Publikováno v: Physical Review B. 42:11808-11817

La plupart des echantillons presentent deux signaux de resonance superapposes: un groupe hyperfin a quatre raies et une raie unique. On etudie plus particulierement le spectre a raie unique qu'on attribue au systeme donneur de Si. Les resultats sont

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::065d3b7f4a567154c80dc3ced42bc006
https://doi.org/10.1103/physrevb.42.11808

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Magnetic properties of ultrathin epitaxial Co films on a Pd (111) single crystal

Autor: E. C. Cosman, S.T. Purcell, W. B. Zeper, Willem Hoving, H. W. van Kesteren

Publikováno v: Journal of Applied Physics. 69:5640-5642

Detailed magnetic studies were made of ultrathin epitaxial Pd/Co bilayers grown by evaporation in UHV on a Pd(111) single crystal. The magnetic properties were studied by polar Kerr hysteresis loops, vibrating sample magnetometry, and ferromagnetic r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::858fcd81dcb509c931a8750e0567f4ef
https://doi.org/10.1063/1.348940

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Observation of the optical analogue of the quantised conductance of a point contact

Autor: E. C. Cosman, Gert 'T Hooft, C. W. J. Beenakker, M.B. van der Mark, E. A. Montie

Publikováno v: None

The light power transmitted by a diffusively illuminated slit of finite thickness is observed to depend stepwise on the slit width. The steps have equal height and a width of one half the wavelength of the monochromatic light used. This novel diffrac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54b2ae4d220cedf04e02e82a1e8d6fc8
http://hdl.handle.net/1887/2713541

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Fine structure of excitons in type-II GaAs/AlAs quantum wells

Autor: C. T. Foxon, E. C. Cosman, W. A. J. A. van der Poel, H.W. van Kesteren

Publikováno v: Physical review. B, Condensed matter. 41(8)

Optically detected magnetic resonance in zero field as well as in a finite magnetic field has been used to study the excitons in type-II GaAs/AlAs quantum wells. The spectra are analyzed using the appropriate spin Hamiltonian for the quasi-two-dimens

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a8479798f20b693bd8075e3685a6980e
https://pubmed.ncbi.nlm.nih.gov/9994391

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18.4: Field Emission Display Architecture based on Hopping Electron Transport

Autor: E. C. Cosman, Hugo Matthieu Visser, Johannes J. W. M. Rosink, Murray F. Gillies, W. A. J. A. van der Poel, N. C. van der Vaart

Publikováno v: SID Symposium Digest of Technical Papers. 34:806

The Hopping Field Emission Display (HopFED) is a new architecture for field emission displays. In this architecture electrons from each sub-pixel are transported in a hopping mode via secondary electron emission over the wall of a funnel placed above

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4908ee9e04e7c3be80e8b6de0da6c7ce
https://doi.org/10.1889/1.1832394

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Observation of the optical analogue of quantized conductance of a point contact

Autor: Gert 'T Hooft, C. W. J. Beenakker, M.B. van der Mark, E. C. Cosman, E. A. Montie

Publikováno v: None
Scopus-Elsevier

DIFFRACTION of light by an aperture is a well-known manifestation of the wave nature of light. The most familiar case is that of an incident plane wave, which is diffracted into a spatial pattern that is sensitive to the properties of the aperture: t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aad1efdd68a36f5694628dea15f121ca
https://doi.org/10.1038/350594a0

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Order of theXconduction-band valleys in type-II GaAs/AlAs quantum wells

Autor: E. C. Cosman, Karen J. Moore, van Kesteren Hw, C. T. Foxon, Philip Dawson

Publikováno v: Physical Review B. 39:13426-13433

The optically detected magnetic resonance of electrons and excitons in type-II GaAs/AlAs quantum wells has been studied as a function of the orientation of the quantum well with respect to the direction of the magnetic field. An analysis of the aniso

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8cc87cd5e505baa4deea9320a0235de7
https://doi.org/10.1103/physrevb.39.13426

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Optically Detected Magnetic Resonance Study of a Type-ii GaAs-AlAs Multiple Quantum Well

Autor: C. T. Foxon, Karen J. Moore, F. J. A. M. Greidanus, E. C. Cosman, H.W. van Kesteren, Phil Dawson

Publikováno v: Physical Review Letters. 61:129-132

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6f33515a35adad9b3c475c03934783b
https://doi.org/10.1103/physrevlett.61.129

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