Search Results - (Author, Cooperation:R. Jansen)

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  1. 1
    Staff View
    Publication Date:
    2018-05-04
    Publisher:
    American Physical Society (APS)
    Print ISSN:
    0556-2813
    Electronic ISSN:
    1089-490X
    Topics:
    Physics
    Keywords:
    Nuclear Structure
    Published by:
    http://www.aps.org/

    Latest Papers from Table of Contents or Articles in Press
  2. 2
    Staff View
    Publication Date:
    2018-05-04
    Publisher:
    American Society of Hematology (ASH)
    Print ISSN:
    0006-4971
    Electronic ISSN:
    1528-0020
    Topics:
    Biology
    Medicine
    Keywords:
    Lymphoid Neoplasia
    Published by:
    http://www.hematology.org/

    Latest Papers from Table of Contents or Articles in Press
  3. 3
    Staff View
    Publication Date:
    2018-05-24
    Publisher:
    American Physical Society (APS)
    Print ISSN:
    0031-9007
    Electronic ISSN:
    1079-7114
    Topics:
    Physics
    Keywords:
    General Physics: Statistical and Quantum Mechanics, Quantum Information, etc.
    Published by:
    http://www.aps.org/

    Latest Papers from Table of Contents or Articles in Press
  4. 4
    Staff View
    Publication Date:
    2018-04-13
    Publisher:
    American Physical Society (APS)
    Print ISSN:
    0031-9007
    Electronic ISSN:
    1079-7114
    Topics:
    Physics
    Keywords:
    Nuclear Physics
    Published by:
    http://www.aps.org/

    Latest Papers from Table of Contents or Articles in Press
  5. 5
    Staff View
    Publication Date:
    2018-11-02
    Publisher:
    American Physical Society (APS)
    Print ISSN:
    0556-2813
    Electronic ISSN:
    1089-490X
    Topics:
    Physics
    Keywords:
    Nuclear Structure
    Published by:
    http://www.aps.org/

    Latest Papers from Table of Contents or Articles in Press
  6. 6
    J. Rotureau, P. Danielewicz, G. Hagen, G. R. Jansen, and F. M. Nunes
    American Physical Society (APS)
    Published 2018
    Staff View
    Publication Date:
    2018-10-30
    Publisher:
    American Physical Society (APS)
    Print ISSN:
    0556-2813
    Electronic ISSN:
    1089-490X
    Topics:
    Physics
    Keywords:
    Nuclear Reactions
    Published by:
    http://www.aps.org/

    Latest Papers from Table of Contents or Articles in Press
  7. 7
    Z. H. Sun, T. D. Morris, G. Hagen, G. R. Jansen, and T. Papenbrock
    American Physical Society (APS)
    Published 2018
    Staff View
    Publication Date:
    2018-11-29
    Publisher:
    American Physical Society (APS)
    Print ISSN:
    0556-2813
    Electronic ISSN:
    1089-490X
    Topics:
    Physics
    Keywords:
    Nuclear Structure
    Published by:
    http://www.aps.org/

    Latest Papers from Table of Contents or Articles in Press
  8. 8
    A. Chakraborty ; D. Wang ; Y. W. Ebright ; Y. Korlann ; E. Kortkhonjia ; T. Kim ; S. Chowdhury ; S. Wigneshweraraj ; H. Irschik ; R. Jansen ; B. T. Nixon ; J. Knight ; S. Weiss ; R. H. Ebright
    American Association for the Advancement of Science (AAAS)
    Published 2012
    Staff View
    Publication Date:
    2012-08-04
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Keywords:
    DNA Polymerase III/*chemistry/drug effects ; Fluorescence Resonance Energy Transfer/methods ; *Gene Expression Regulation, Bacterial ; Protein Conformation ; *Transcription, Genetic
    Published by:
    http://www.aaas.org/

    Latest Papers from Table of Contents or Articles in Press
  9. 9
    J. C. Le Breton ; S. Sharma ; H. Saito ; S. Yuasa ; R. Jansen
    Nature Publishing Group (NPG)
    Published 2011
    Staff View
    Publication Date:
    2011-07-01
    Publisher:
    Nature Publishing Group (NPG)
    Print ISSN:
    0028-0836
    Electronic ISSN:
    1476-4687
    Topics:
    Biology
    Chemistry and Pharmacology
    Medicine
    Natural Sciences in General
    Physics
    Published by:
    http://www.nature.com/

    Latest Papers from Table of Contents or Articles in Press
  10. 10
    The Brainstorm Consortium, Anttila, V., Bulik-Sullivan, B., Finucane, H. K., Walters, R. K., Bras, J., Duncan, L., Escott-Price, V., Falcone, G. J., Gormley, P., Malik, R., Patsopoulos, N. A., Ripke, S., Wei, Z., Yu, D., Lee, P. H., Turley, P., Grenier-Boley, B., Chouraki, V., Kamatani, Y., Berr, C., Letenneur, L., Hannequin, D., Amouyel, P., Boland, A., Deleuze, J.-F., Duron, E., Vardarajan, B. N., Reitz, C., Goate, A. M., Huentelman, M. J., Kamboh, M. I., Larson, E. B., Rogaeva, E., St George-Hyslop, P., Hakonarson, H., Kukull, W. A., Farrer, L. A., Barnes, L. L., Beach, T. G., Demirci, F. Y., Head, E., Hulette, C. M., Jicha, G. A., Kauwe, J. S. K., Kaye, J. A., Leverenz, J. B., Levey, A. I., Lieberman, A. P., Pankratz, V. S., Poon, W. W., Quinn, J. F., Saykin, A. J., Schneider, L. S., Smith, A. G., Sonnen, J. A., Stern, R. A., Van Deerlin, V. M., Van Eldik, L. J., Harold, D., Russo, G., Rubinsztein, D. C., Bayer, A., Tsolaki, M., Proitsi, P., Fox, N. C., Hampel, H., Owen, M. J., Mead, S., Passmore, P., Morgan, K., Nöthen, M. M., Rossor, M., Lupton, M. K., Hoffmann, P., Kornhuber, J., Lawlor, B., McQuillin, A., Al-Chalabi, A., Bis, J. C., Ruiz, A., Boada, M., Seshadri, S., Beiser, A., Rice, K., van der Lee, S. J., De Jager, P. L., Geschwind, D. H., Riemenschneider, M., Riedel-Heller, S., Rotter, J. I., Ransmayr, G., Hyman, B. T., Cruchaga, C., Alegret, M., Winsvold, B., Palta, P., Farh, K.-H., Cuenca-Leon, E., Furlotte, N., Kurth, T., Ligthart, L., Terwindt, G. M., Freilinger, T., Ran, C., Gordon, S. D., Borck, G., Adams, H. H. H., Lehtimäki, T., Wedenoja, J., Buring, J. E., Schürks, M., Hrafnsdottir, M., Hottenga, J.-J., Penninx, B., Artto, V., Kaunisto, M., Vepsäläinen, S., Martin, N. G., Montgomery, G. W., Kurki, M. I., Hämäläinen, E., Huang, H., Huang, J., Sandor, C., Webber, C., Muller-Myhsok, B., Schreiber, S., Salomaa, V., Loehrer, E., Göbel, H., Macaya, A., Pozo-Rosich, P., Hansen, T., Werge, T., Kaprio, J., Metspalu, A., Kubisch, C., Ferrari, M. D., Belin, A. C., van den Maagdenberg, A. M. J. M., Zwart, J.-A., Boomsma, D., Eriksson, N., Olesen, J., Chasman, D. I., Nyholt, D. R., Avbersek, A., Baum, L., Berkovic, S., Bradfield, J., Buono, R., Catarino, C. B., Cossette, P., De Jonghe, P., Depondt, C., Dlugos, D., Ferraro, T. N., French, J., Hjalgrim, H., Jamnadas-Khoda, J., Kälviäinen, R., Kunz, W. S., Lerche, H., Leu, C., Lindhout, D., Lo, W., Lowenstein, D., McCormack, M., Moller, R. S., Molloy, A., Ng, P.-W., Oliver, K., Privitera, M., Radtke, R., Ruppert, A.-K., Sander, T., Schachter, S., Schankin, C., Scheffer, I., Schoch, S., Sisodiya, S. M., Smith, P., Sperling, M., Striano, P., Surges, R., Thomas, G. N., Visscher, F., Whelan, C. D., Zara, F., Heinzen, E. L., Marson, A., Becker, F., Stroink, H., Zimprich, F., Gasser, T., Gibbs, R., Heutink, P., Martinez, M., Morris, H. R., Sharma, M., Ryten, M., Mok, K. Y., Pulit, S., Bevan, S., Holliday, E., Attia, J., Battey, T., Boncoraglio, G., Thijs, V., Chen, W.-M., Mitchell, B., Rothwell, P., Sharma, P., Sudlow, C., Vicente, A., Markus, H., Kourkoulis, C., Pera, J., Raffeld, M., Silliman, S., Boraska Perica, V., Thornton, L. M., Huckins, L. M., William Rayner, N., Lewis, C. M., Gratacos, M., Rybakowski, F., Keski-Rahkonen, A., Raevuori, A., Hudson, J. I., Reichborn-Kjennerud, T., Monteleone, P., Karwautz, A., Mannik, K., Baker, J. H., OToole, J. K., Trace, S. E., Davis, O. S. P., Helder, S. G., Ehrlich, S., Herpertz-Dahlmann, B., Danner, U. N., van Elburg, A. A., Clementi, M., Forzan, M., Docampo, E., Lissowska, J., Hauser, J., Tortorella, A., Maj, M., Gonidakis, F., Tziouvas, K., Papezova, H., Yilmaz, Z., Wagner, G., Cohen-Woods, S., Herms, S., Julia, A., Rabionet, R., Dick, D. M., Ripatti, S., Andreassen, O. A., Espeseth, T., Lundervold, A. J., Steen, V. M., Pinto, D., Scherer, S. W., Aschauer, H., Schosser, A., Alfredsson, L., Padyukov, L., Halmi, K. A., Mitchell, J., Strober, M., Bergen, A. W., Kaye, W., Szatkiewicz, J. P., Cormand, B., Ramos-Quiroga, J. A., Sanchez-Mora, C., Ribases, M., Casas, M., Hervas, A., Arranz, M. J., Haavik, J., Zayats, T., Johansson, S., Williams, N., Dempfle, A., Rothenberger, A., Kuntsi, J., Oades, R. D., Banaschewski, T., Franke, B., Buitelaar, J. K., Arias Vasquez, A., Doyle, A. E., Reif, A., Lesch, K.-P., Freitag, C., Rivero, O., Palmason, H., Romanos, M., Langley, K., Rietschel, M., Witt, S. H., Dalsgaard, S., Borglum, A. D., Waldman, I., Wilmot, B., Molly, N., Bau, C. H. D., Crosbie, J., Schachar, R., Loo, S. K., McGough, J. J., Grevet, E. H., Medland, S. E., Robinson, E., Weiss, L. A., Bacchelli, E., Bailey, A., Bal, V., Battaglia, A., Betancur, C., Bolton, P., Cantor, R., Celestino-Soper, P., Dawson, G., De Rubeis, S., Duque, F., Green, A., Klauck, S. M., Leboyer, M., Levitt, P., Maestrini, E., Mane, S., De-Luca, D. M.-, Parr, J., Regan, R., Reichenberg, A., Sandin, S., Vorstman, J., Wassink, T., Wijsman, E., Cook, E., Santangelo, S., Delorme, R., Roge, B., Magalhaes, T., Arking, D., Schulze, T. G., Thompson, R. C., Strohmaier, J., Matthews, K., Melle, I., Morris, D., Blackwood, D., McIntosh, A., Bergen, S. E., Schalling, M., Jamain, S., Maaser, A., Fischer, S. B., Reinbold, C. S., Fullerton, J. M., Guzman-Parra, J., Mayoral, F., Schofield, P. R., Cichon, S., Mühleisen, T. W., Degenhardt, F., Schumacher, J., Bauer, M., Mitchell, P. B., Gershon, E. S., Rice, J., Potash, J. B., Zandi, P. P., Craddock, N., Ferrier, I. N., Alda, M., Rouleau, G. A., Turecki, G., Ophoff, R., Pato, C., Anjorin, A., Stahl, E., Leber, M., Czerski, P. M., Cruceanu, C., Jones, I. R., Posthuma, D., Andlauer, T. F. M., Forstner, A. J., Streit, F., Baune, B. T., Air, T., Sinnamon, G., Wray, N. R., Mac; Intyre, D. J., Porteous, D., Homuth, G., Rivera, M., Grove, J., Middeldorp, C. M., Hickie, I., Pergadia, M., Mehta, D., Smit, J. H., Jansen, R., de Geus, E., Dunn, E., Li, Q. S., Nauck, M., Schoevers, R. A., Beekman, A. T., Knowles, J. A., Viktorin, A., Arnold, P., Barr, C. L., Bedoya-Berrio, G., Bienvenu, O. J., Brentani, H., Burton, C., Camarena, B., Cappi, C., Cath, D., Cavallini, M., Cusi, D., Darrow, S., Denys, D., Derks, E. M., Dietrich, A., Fernandez, T., Figee, M., Freimer, N., Gerber, G., Grados, M., Greenberg, E., Hanna, G. L., Hartmann, A., Hirschtritt, M. E., Hoekstra, P. J., Huang, A., Huyser, C., Illmann, C., Jenike, M., Kuperman, S., Leventhal, B., Lochner, C., Lyon, G. J., Macciardi, F., Madruga-Garrido, M., Malaty, I. A., Maras, A., McGrath, L., Miguel, E. C., Mir, P., Nestadt, G., Nicolini, H., Okun, M. S., Pakstis, A., Paschou, P., Piacentini, J., Pittenger, C., Plessen, K., Ramensky, V., Ramos, E. M., Reus, V., Richter, M. A., Riddle, M. A., Robertson, M. M., Roessner, V., Rosario, M., Samuels, J. F., Sandor, P., Stein, D. J., Tsetsos, F., Van Nieuwerburgh, F., Weatherall, S., Wendland, J. R., Wolanczyk, T., Worbe, Y., Zai, G., Goes, F. S., McLaughlin, N., Nestadt, P. S., Grabe, H.-J., Depienne, C., Konkashbaev, A., Lanzagorta, N., Valencia-Duarte, A., Bramon, E., Buccola, N., Cahn, W., Cairns, M., Chong, S. A., Cohen, D., Crespo-Facorro, B., Crowley, J., Davidson, M., De; Lisi, L., Dinan, T., Donohoe, G., Drapeau, E., Duan, J., Haan, L., Hougaard, D., Karachanak-Yankova, S., Khrunin, A., Klovins, J., Kucinskas, V., Lee Chee Keong, J., Limborska, S., Loughland, C., Lönnqvist, J., Maher, B., Mattheisen, M., McDonald, C., Murphy, K. C., Nenadic, I., van Os, J., Pantelis, C., Pato, M., Petryshen, T., Quested, D., Roussos, P., Sanders, A. R., Schall, U., Schwab, S. G., Sim, K., So, H.-C., Stögmann, E., Subramaniam, M., Toncheva, D., Waddington, J., Walters, J., Weiser, M., Cheng, W., Cloninger, R., Curtis, D., Gejman, P. V., Henskens, F., Mattingsdal, M., Oh, S.-Y., Scott, R., Webb, B., Breen, G., Churchhouse, C., Bulik, C. M., Daly, M., Dichgans, M., Faraone, S. V., Guerreiro, R., Holmans, P., Kendler, K. S., Koeleman, B., Mathews, C. A., Price, A., Scharf, J., Sklar, P., Williams, J., Wood, N. W., Cotsapas, C., Palotie, A., Smoller, J. W., Sullivan, P., Rosand, J., Corvin, A., Neale, B. M.
    American Association for the Advancement of Science (AAAS)
    Published 2018
    Staff View
    Publication Date:
    2018-06-22
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Geosciences
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Keywords:
    Genetics, Medicine, Diseases, Online Only
    Published by:
    http://www.aaas.org/

    Latest Papers from Table of Contents or Articles in Press
  11. 11
    Chen, C., Gardete, S., Jansen, R. S., Shetty, A., Dick, T., Rhee, K. Y., Dartois, V.
    The American Society for Microbiology (ASM)
    Published 2018
    Staff View
    Publication Date:
    2018-04-27
    Publisher:
    The American Society for Microbiology (ASM)
    Print ISSN:
    0066-4804
    Electronic ISSN:
    1098-6596
    Topics:
    Biology
    Medicine
    Published by:
    http://www.asm.org/

    Latest Papers from Table of Contents or Articles in Press
  12. 12
    Jansen, R. ; van 't Erve, O. M. J. ; Kim, S. D. ; Vlutters, R. ; Anil Kumar, P. S. ; Lodder, J. C.

    [S.l.] : American Institute of Physics (AIP)
    Published 2001
    Staff View
    ISSN:
    1089-7550
    Source:
    AIP Digital Archive
    Topics:
    Physics
    Notes:
    An overview is given of the fabrication, basic properties, and physics of the spin-valve transistor. We describe the layout of this three-terminal ferromagnet/semiconductor hybrid device, as well as the operating principle. Fabrication technologies are discussed, including vacuum metal bonding. We characterize properties of the device relevant for possible applications in magneto-electronics, such as relative magnetic response, output current, and noise behavior. Furthermore, we illustrate the unique possibilities of the spin-valve transistor for fundamental studies of the physics of hot-electron spin transport in magnetic thin film structures. © 2001 American Institute of Physics.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1063/1.1357857

    Articles: DFG German National Licenses
  13. 13
    Vlutters, R. ; Jansen, R. ; van 't Erve, O. M. J. ; Kim, S. D. ; Lodder, J. C.

    [S.l.] : American Institute of Physics (AIP)
    Published 2001
    Staff View
    ISSN:
    1089-7550
    Source:
    AIP Digital Archive
    Topics:
    Physics
    Notes:
    Hot-electron transport in Ni80Fe20 thin films was studied using a spin-valve transistor. By varying the NiFe thickness from 10 to 100 Å we obtain an attenuation length of 43 Å for majority-spin hot electrons at 0.9 eV above the Fermi level. Based on such relatively long bulk attentuation lengths, one would expect a current transfer ratio that is much larger than the measured value. We propose that the discrepancy can be accounted for by considering interfacial scattering. Increasing the growth quality should thus provide a means to improve the current transfer ratio. © 2001 American Institute of Physics.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1063/1.1357853

    Articles: DFG German National Licenses
  14. 14
    Jansen, R. ; Moodera, J. S.

    Woodbury, NY : American Institute of Physics (AIP)
    Published 1999
    Staff View
    ISSN:
    1077-3118
    Source:
    AIP Digital Archive
    Topics:
    Physics
    Notes:
    Heterojunctions between the chalcogenide In–Te and crystalline Si have been fabricated in ultrahigh vacuum, and are characterized for their electrical and photoelectrical properties. The junctions are formed by evaporation of In–Te thin films onto p-type Si(100) substrates at elevated temperature or at room temperature, yielding In–Te in either a crystalline or an amorphous phase. For either of the two phases, diodes display rectifying transport with low reverse-bias leakage current, especially for crystalline In–Te. Only for heterojunctions with crystalline In–Te do we find significant photosensitivity, increasing for thicker In–Te films. The results suggest that at least part of the collected photocarriers originate from the In–Te side of the heterostructure. © 1999 American Institute of Physics.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1063/1.124929

    Articles: DFG German National Licenses
  15. 15
    Jansen, R. ; Moodera, J. S.

    [S.l.] : American Institute of Physics (AIP)
    Published 1998
    Staff View
    ISSN:
    1089-7550
    Source:
    AIP Digital Archive
    Topics:
    Physics
    Notes:
    The effect of barrier impurity atoms on the magnetoresistance of ferromagnetic tunnel junctions has been investigated. For that purpose, Co/Al2O3/Ni80Fe20 junctions were prepared with submonolayer amounts of Co, Pd, Cu, or Ni incorporated into the middle of the insulating oxide. The junction magnetoresistance (JMR) was measured at 77 and 300 K and referenced to that of simultaneously prepared control junctions without impurities. The JMR decays approximately linearly with increasing impurity content, the slope depending sensitively on the type of element. The decrease is most pronounced for Ni, with the normalized JMR going down at a rate of 0.39 Å−1 of material (at 77 K), whereas Co shows a relatively weak decay of only 0.08 Å−1. Pd and Cu represent intermediate cases. At 300 K, the suppression of JMR is slightly higher. Results are interpreted in terms of spin-flip scattering of tunneling electrons by the impurities. © 1998 American Institute of Physics.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1063/1.367545

    Articles: DFG German National Licenses
  16. 16
    Gijs, M. A. M. ; Jansen, R. J. E.

    Woodbury, NY : American Institute of Physics (AIP)
    Published 1990
    Staff View
    ISSN:
    1077-3118
    Source:
    AIP Digital Archive
    Topics:
    Physics
    Notes:
    1-μm-wide Dayem bridges were patterned with a pulsed Xe laser in c-axis-oriented YBaCuO films prepared according to the BaF2 method. The microbridges have a critical current density of 2×106 A/cm2 at 77 K, which is typical for an epitaxial film without grain boundaries. When microwave radiation in the centimeter wavelength range is applied, we observe current steps in the current-voltage characteristic up to 72 K. The dependence of these steps on microwave power is compared with the model of Golovashkin and Lykov {Zh. Eksp. Teor. Fiz. 74, 214 (1978) [Sov. Phys. JETP 47, 110 (1978)]}; we find that the step amplitude is smaller than predicted.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1063/1.103210

    Articles: DFG German National Licenses
  17. 17
    Jansen, R.-J. E. ; Farid, Behnam ; Kelly, M. J.

    Woodbury, NY : American Institute of Physics (AIP)
    Published 1992
    Staff View
    ISSN:
    1077-3118
    Source:
    AIP Digital Archive
    Topics:
    Physics
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1063/1.108498

    Articles: DFG German National Licenses
  18. 18
    Jansen, R.-J. E. ; Farid, Behnam ; Kelly, M. J.

    Woodbury, NY : American Institute of Physics (AIP)
    Published 1992
    Staff View
    ISSN:
    1077-3118
    Source:
    AIP Digital Archive
    Topics:
    Physics
    Notes:
    We analyze the scattering processes of high-energy (approximately 0.3 eV) electrons impinging at normal incidence on a zero-temperature two-dimensional electron gas (2DEG), and derive an expression for the scattering probability. We proceed in calculating the total scattering rate and energy loss of the hot electrons as a function of their energy of incidence. These results are then compared with those of the recent experiments performed on a hot-electron transistor with a 2DEG base. Our calculated base transfer ratio is in good agreement with the measured value.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1063/1.107142

    Articles: DFG German National Licenses
  19. 19
    Prins, M. W. J. ; van der Wielen, M. C. M. M. ; Jansen, R. ; Abraham, D. L. ; van Kempen, H.

    Woodbury, NY : American Institute of Physics (AIP)
    Published 1994
    Staff View
    ISSN:
    1077-3118
    Source:
    AIP Digital Archive
    Topics:
    Physics
    Notes:
    The charge generated at the apex of a semiconductor tip upon laser irradiation is utilized in a scanning tunneling microscope. We show such arrangements can produce photoinduced tunnel currents of several hundred picoamperes, sufficient for stable STM operation and sensitive enough to detect nanowatt variations in the incident optical power.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1063/1.110891

    Articles: DFG German National Licenses
  20. 20
    Jansen, R. ; Moodera, J. S.

    Woodbury, NY : American Institute of Physics (AIP)
    Published 1999
    Staff View
    ISSN:
    1077-3118
    Source:
    AIP Digital Archive
    Topics:
    Physics
    Notes:
    It is shown that the tunnel magnetoresistance of a Co/Al2O3/Ni80Fe20 magnetic tunnel junction is enhanced by δ doping of the oxide barrier with Fe. Enhancements by a factor of up to 1.25 are observed for Fe layers less than a monolayer thick, positioned halfway in the Al2O3 insulator. The effect exists not only at low temperature, but persists up to room temperature, albeit slightly weakened. Also, the enhancement remains present under the application of voltages as large as 0.6 V. Possible explanations are discussed. © 1999 American Institute of Physics.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1063/1.124388

    Articles: DFG German National Licenses