Search Results - "WISNIOWSKI, P"

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  1. 1

    Field noise in tunneling magnetoresistance sensors with variable sensitivity by Wisniowski, P., Dabek, M., Wrona, J.

    Published in Applied physics letters (02-02-2015)
    “…We demonstrate CoFeB/MgO/CoFeB sensors with field noise level below magnetic noise-sensitivity scaling limit and significant reduction of 1/f noise corner…”
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    Journal Article
  2. 2

    Magnetic Tunnel Junctions Based on Out-of-Plane Anisotropy Free and In-Plane Pinned Layer Structures for Magnetic Field Sensors by Wisniowski, P., Wrona, J., Stobiecki, T., Cardoso, S., Freitas, P. P.

    Published in IEEE transactions on magnetics (01-11-2012)
    “…We have studied hysteresis, nonlinearity and sensitivity of CoFeB-MgO based magnetic tunnel junctions with out-of-plane and in-plane magnetizations…”
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    Journal Article Conference Proceeding
  3. 3

    Resonant tunneling through electronic trapping states in thin MgO magnetic junctions by Teixeira, J M, Ventura, J, Araujo, J P, Sousa, J B, Wisniowski, P, Cardoso, S, Freitas, P P

    Published in Physical review letters (10-05-2011)
    “…We report an inelastic electron tunneling spectroscopy study on MgO magnetic junctions with thin barriers (0.85-1.35 nm). Inelastic electron tunneling…”
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  4. 4

    Reduction of low frequency magnetic noise by voltage-induced magnetic anisotropy modulation in tunneling magnetoresistance sensors by Wisniowski, P., Dąbek, M., Skowronski, W., Stobiecki, T., Cardoso, S., Freitas, P. P.

    Published in Applied physics letters (25-08-2014)
    “…We demonstrate the reduction and control of magnetic noise by voltage-induced perpendicular anisotropy modulation in CoFeB/MgO/CoFeB sensors. The noise…”
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    Journal Article
  5. 5

    Caffeic acid phenethyl ester prevents 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine-induced neurodegeneration by Fontanilla, C.V, Ma, Z, Wei, X, Klotsche, J, Zhao, L, Wisniowski, P, Dodel, R.C, Farlow, M.R, Oertel, W.H, Du, Y

    Published in Neuroscience (11-08-2011)
    “…Abstract Parkinson's disease is associated with the loss of dopaminergic neurons in the substantia nigra and decreased striatal dopamine levels. We now report…”
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  6. 6

    Low-Frequency Noise in MgO Magnetic Tunnel Junctions: Hooge's Parameter Dependence on Bias Voltage by Almeida, J.M., Wisniowski, P., Freitas, P.P.

    Published in IEEE transactions on magnetics (01-11-2008)
    “…Low-frequency noise was studied in MgO magnetic tunnel junctions (MTJs). The junctions were analyzed under saturating magnetic fields to minimize the noise of…”
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    Journal Article Conference Proceeding
  7. 7

    Giant intrinsic thermomagnetic effects in thin MgO magnetic tunnel junctions by Teixeira, J. M., Costa, J. D., Ventura, J., Fernandez-Garcia, M. P., Azevedo, J., Araujo, J. P., Sousa, J. B., Wisniowski, P., Cardoso, S., Freitas, P. P.

    Published in Applied physics letters (27-05-2013)
    “…An intrinsic spin-dependent Seebeck effect in the linear tunneling transport regime of magnetic tunneling junctions (MTJs) was discovered recently. This effect…”
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  8. 8

    Observation of spin-dependent quantum well resonant tunneling in textured CoFeB layers by Teixeira, J. M., Costa, J. D., Ventura, J., Sousa, J. B., Wisniowski, P., Freitas, P. P.

    Published in Applied physics letters (17-03-2014)
    “…We report the observation of spin-dependent quantum well (QW) resonant tunneling in textured CoFeB free layers of single MgO magnetic tunnel junctions (MTJs)…”
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    Journal Article
  9. 9

    1/f Magnetic Noise Dependence on Free Layer Thickness in Hysteresis Free MgO Magnetic Tunnel Junctions by Wisniowski, P., Almeida, J.M., Freitas, P.P.

    Published in IEEE transactions on magnetics (01-11-2008)
    “…The noise spectrum of MgO magnetic tunnel junctions with linear transfer curves for varying CoFeB free layer thickness was studied. For continuous…”
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    Journal Article Conference Proceeding
  10. 10
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    Effect of Buffer Layer Texture on the Crystallization of CoFeB and on the Tunnel Magnetoresistance in MgO Based Magnetic Tunnel Junctions by Cao, J., Kanak, J., Stobiecki, T., Wisniowski, P., Freitas, P.P.

    Published in IEEE transactions on magnetics (01-10-2009)
    “…Two different buffer layers (Ta/Ru/Ta and thick Ta) were tested for MgO MTJs. The influence of buffer layer texture on the crystallization of CoFeB bottom and…”
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    Journal Article Conference Proceeding
  12. 12
  13. 13

    Hybrid Magnetic Tunnel Junction-MEMS High Frequency Field Modulator for 1/f Noise Suppression by Guedes, A., Patil, S.B., Wisniowski, P., Chu, V., Conde, J.P., Freitas, P.P.

    Published in IEEE transactions on magnetics (01-11-2008)
    “…A dc to ac magnetic field transformer was developed using a magnetic tunnel junction (MTJ)/microelectromechanical system (MEMS) mixed device. A MEMS…”
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    Journal Article Conference Proceeding
  14. 14

    Magnetic field sensing characteristics of MgO based tunneling magnetoresistance devices with Co40Fe40B20 and Co60Fe20B20 electrodes by Wiśniowski, P., Dąbek, M., Cardoso, S., Freitas, P.P.

    Published in Sensors and actuators. A. Physical. (01-11-2013)
    “…We developed spin valve tunneling magnetoresistance devices based on MgO barrier and two compositions of CoFeB electrodes capable of sensing magnetic field in…”
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    Journal Article
  15. 15

    Dynamic response of tunneling magnetoresistance sensors to nanosecond current step by Dabek, M., Wisniowski, P.

    Published in Sensors and actuators. A. Physical. (01-08-2015)
    “…•We investigate the response of CoFeB/MgO/CoFeB sensors to nanosecond current step.•Rise and response times reach as low as 15ns and 11ns,…”
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    Journal Article
  16. 16

    Interface stability of magnetic tunnel barriers and electrodes by Lamperti, A., Pym, A. T. G., Eastwood, D. S., Cardoso, S., Wisniowski, P., Freitas, P. P., Anderson, G. I. R., Marrows, C. H., Tanner, B. K.

    “…Grazing incidence X‐ray scattering during in‐situ annealing has been used to study the interface stability in MgO‐based electrodes and barriers in magnetic…”
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    Journal Article Conference Proceeding
  17. 17

    High immunity wafer-level measurement of MHz current by Dąbek, M., Wiśniowski, P., Kalabiński, P., Wrona, J., Cardoso, S., Freitas, P.P.

    “…•We present the system for high immunity wafer-level measurement of MHz current.•The effectiveness of the system results from utilizing balanced line…”
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    Journal Article
  18. 18

    Pneumocystis carinii attachment increases expression of fibronectin-binding integrins on cultured lung cells by POTTRATZ, S. T, WEIR, A. L, WISNIOWSKI, P. E

    Published in Infection and Immunity (01-12-1994)
    “…Classifications Services IAI Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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    Vitronectin Protects Alveolar Macrophages from Silica Toxicity by WISNIOWSKI, PAUL E, SPECH, ROBERT W, WU, MIN, DOYLE, NICHOLAS A, PASULA, RAJAMOULI, MARTIN, WILLIAM J., II

    “…Silicosis is an interstitial lung disease caused by the inhalation of crystalline silicon dioxide. Current concepts suggest that a crucial step in the…”
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