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Structure Analysis and Local Magnetic Parameters of Magnetoresistance Tunnel Junctions
Cheol Gi Kim1, Chong-Oh Kim,1, Yongkang Hua1, J. Kanak2, T. Stobiecki,2, S. Ogata,3, M. Tsunoda3 and M. Takahashi3
1Department of Materials Engineering, Chungnam National University, Taejon, Korea
2
Department of Electronics, University of Mining and Metallurgy, Krakow, Poland
3Department of Electronic Engineering, Tohoku University, Sendai, Japan
Magnetic Properties of Fe/Si and Co/Si Multilayers
T. Luciński1, M. Kopcewicz2, A. Hütten3, H. Brückl3, S. Heitmann3, T. Hempel3 and G. Reiss3
1Institute of Molecular Physics, Polish Academy of Sciences, Poznań, Poland
2Institute of Electronic Materials Technology, Warsaw, Poland
3Faculty of Physics, University of Bielefeld, Bielefeld, Germany
Abstract
The magnetic and structural properties of Fe/Si Fe/Fe33Si66 and Co/Si multilayers have been studied. Very strong AF coupling J=-1.93 mJ/m2 accompanied by saturation field of 1.5T has been found for dSi=1.4nm. The CEMS spectra recorded at room temperature consist of the Zeeman sextet characteristic of the pure Fe phase accompanied by two spectral components related to FeSi system: magnetic broad sextet and a quadrupole doublet. The broad sextet could originate from various Fe sites at the interface. The nonmagnetic QS doublet is most probably associated with the nonstoichiometric c-Fe1-xSix phase. Comparing the results obtained for Fe/Si and Fe/Fe33Si66 multilayers we conclude that the exchange coupling is distinctly stronger for nominally pure spacer layer. For Co/Si multilayers a very weak antiferromagnetic coupling and oscillatory FAF(dSi) behavior was observed most probably due to the Co-Si nonmagnetic metallic phases formation replacing the nominally pure Si spacer layers. We have shown that AF coupled Fe/Si multilayers can be successfully applied as an antiferromagnet in the magnetoresistive (Fe/Si)15/Fe/Co1/Cu/Co2 system.
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Download article (PDF)Rotational Anisotropy in Exchange-biased NiFe/FeMn Bilayers
Do-Guwn Hwang
Department of Computer and Electronic Physics, Sangji University, Korea
Exchange Coupling Field in Top, Bottom, and Dual Type IrMn Spin Valves Coupled to CoFe
J. Y. Hwang and J. R. Rhee
Department of Physics, Sookmyung Women's University, Korea
The Effect of Underlayers on Grain Orientation and Magnetic Properties of Barium-ferrite Thin Film
Dong Hyoun Kim1, In Tak Nam1, Yang Ki Hong2
1Kangwon National University, Chunchon, Korea
2University of Idaho, Moscow, USA
Effective Magnetostriction in Nanocrystalline Alloys
A. ¦lawska-Waniewska
Institute of Physics, Polish Academy of Sciences, Warszawa, Poland
Micromagnetic Simulation of Multiphase Nanocrystalline Material with Different Boundary Conditions
O. Nedelko1, A. ¦lawska-Waniewska1, Y. Labaye2
1Institute of Physics, Polish Academy of Sciences, Warsaw, Poland
2Laboratoire de Physique de l'Etat Condensé, Université du
Maine, Mans, France
Influence of In Dilution Level on Magnetic Mroperties and Photoconductivity of Cd1-yCr2-2xIn2x+ySe4 Magnetic Semiconductors
B.T. Cięciwa, L. J. Maksymowicz, M. Lubecka, H. Jankowski, J. Sokulski, Z. Sobków
Department of Electronics, University of Mining and Metallurgy, Kraków, Poland
Magnetic Properties of the RMn12-xTx Alloys in High Magnetic Field #
W. Suski1,2, B. Belan3, A. Gilewski1, T. Mydlarz1, K. Wochowski2
1International Laboraratory of High Magnetic Fields and Low Temperatures, Wrocław, Poland
2Polish Academy of Science, W.Trzebiatowski Institute of Low Temperature and Structure Research, Wrocław, Poland
3Department of Inorganic Chemistry, Ivan Franko National University of L'viv, L'viv, Ukraine
High Frequency Magneto-Impedance Effect in Glass-Coated Amorphous Co83.2 B3.3 Si5.9 Mn7.6 Microwires
Heebok Lee2, Yong-Seok Kim1, Seong-Cho Yu2
1Department of Physics Education, Kongju National University, Kongju, Korea
2Department of Physics Chungbuk National University, Chongju, Korea
Large Magnetocaloric Effect in Perovskite Manganites: MagneticEntropy Changes Above 300 K
Manh-Huong Phan1, Seong-Cho Yu1, A.N. Ulyanov1,2 and H.K. Lachowicz3
Department of Physics, Chungbuk National University, Cheongju, Korea
Donetsk Physico-Technical Institute of National Academy of Sciences, Donetsk, Ukraine
Institute of Physics, Polish Academy of Science, Warszawa, Poland
Effects of an External Magnetic Field on the Perpendicular Magnetic Anisotropy of Electrodeposited Micro-patterned Arrays
W. Y. Jeung, D. H. Choi, and K. H. Lee
Metal Processing Research Center, Korea Institute of Science and Technology,
Seoul, Korea,
Magnetometry of Monoatomic Layers and Spin Electronics Elements
J. Wrona, T. Stobiecki, M. Czapkiewicz, R. Rak
Department of Electronics, University of Mining and Metallurgy, Kraków, Poland
Magnetism of Nanocrystalline and Bulk FexNi23-xB6 (x=0, 1, 22 and 23) Alloys -- Experiment and Theory
B. Idzikowski and A. Szajek
Institute of Molecular Physics, Polish Academy of Sciences, Poznań, Poland
The Effect of Axial Dc-field on Transverse Permeability in Co-based Metallic Glass Ribbons
H. K. Lachowicz1, M. KuĽmiński1, Seong-Cho Yu2
1Institute of Physics, Polish Academy of Sciences, Warszawa, Poland
2Department of Physics, Chungbuk National University, Chongju, Korea
Microstructure and Magnetic Properties of NdFeB Magnets Fabricated by Current-Applied Pressure-Assisted Process
Y.B. Kim1, H.T. Kim1,S.H. Cho1,2, G.A. Kapustin3
1Korea Research Institute of Standards and Science, Korea
2Chungnam National University, Korea
3Kurchatov Institute, Russia
