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2009 | 115 | 1 | 332-335
Article title

Fabrication and Characterization of Hybrid Tunnel Magnetoresistance Structures with Embedded Self-Assembled Nanoparticle Templates

Content
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Languages of publication
EN
Abstracts
EN
We report on an incorporation of self-assembled templates of superparamagnetic Fe-O nanoparticles into tunnel magnetoresistance devices. We fabricated a multilayer stack composed of the following layer sequence: Cr/Au/Co/NP/Co/Cu on Si(100) substrate where NP stands for a self-assembled layer of nanoparticles deposited by the Langmuir-Blodgett technique. The X-ray reflectivity and grazing-incidence small angle X-ray scattering were employed to study the layers thicknesses and interface morphology in each preparation step. In particular, the grazing-incidence small angle X-ray scattering was measured before and after the nanoparticle incorporation as well as on the complete tunnel magnetoresistance stack. In this way, in-depth morphology profile during subsequent preparation steps was obtained. We demonstrate that X-ray analysis of the deposited tunnel magnetoresistance stack is essential for successful fabrication of novel hybrid devices consisting of self-assembled nanoparticles.
Keywords
EN
Contributors
author
  • Institute of Physics, Slovak Academy of Sciences, Dubravska cesta 9, 84511 Bratislava, Slovakia
author
  • Institute of Physics, Slovak Academy of Sciences, Dubravska cesta 9, 84511 Bratislava, Slovakia
author
  • Institute of Physics, Slovak Academy of Sciences, Dubravska cesta 9, 84511 Bratislava, Slovakia
author
  • Institute of Physics, Slovak Academy of Sciences, Dubravska cesta 9, 84511 Bratislava, Slovakia
author
  • Institute of Physics, Slovak Academy of Sciences, Dubravska cesta 9, 84511 Bratislava, Slovakia
author
  • Institute of Physics, Slovak Academy of Sciences, Dubravska cesta 9, 84511 Bratislava, Slovakia
author
  • Institute of Physics, Slovak Academy of Sciences, Dubravska cesta 9, 84511 Bratislava, Slovakia
author
  • Department of Physics, Slovak Technical University, Ilkovicova 3, 81219 Bratislava, Slovakia
author
  • International Laser Center, Ilkovicova 3, 81219 Bratislava, Slovakia
author
  • Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland
author
  • Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland
author
  • HASYLAB/DESY, Notkestr. 86, 22603 Hamburg, Germany
author
  • HASYLAB/DESY, Notkestr. 86, 22603 Hamburg, Germany
References
  • 1. J. Park, K. An, Y. Hwang, J.G. Park, H.J. Noh, J.Y. Kim, J.H. Park, H.M. Hwang, T. Hyeon, Nature Mater. 3, 891 (2004)
  • 2. P. Siffalovic, E. Majkova, L. Chitu, M. Jergel, S. Luby, A. Satka, S.V. Roth, Phys. Rev. B 76, 195432 (2007)
  • 3. T. Fried, G. Shemer, G. Markovich, Adv. Mater. 13, 1158 (2001)
  • 4. M. Tsoi, Nature Phys. 4, 17 (2008)
  • 5. S. Sun, H. Zeng, D.B. Robinson, S. Raoux, P.M. Rice, S.X. Wang, G. Li, J. Am. Chem. Soc. 126, 273 (2004)
  • 6. S.V. Roth, R. Döhrmann, M. Dommach, M. Kuhlmann, I. Kröger, R. Gehrke, H. Walter, C. Schroer, B. Lengeler, P. Müller-Buschbaum, Rev. Sci. Instrum. 77, 085106 (2006)
  • 7. V. Holý, U. Pietsch, T. Baumbach, High-Resolution X-Ray Scattering from the Thin Films and Multilayers, Springer, Berlin 1999
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv115n1095kz
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