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  • 1995-1999  (3)
  • 1940-1944  (1)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Influence of Joule heating on magnetostriction and giant magnetoimpedance effect in a glass covered CoFeSiB microwire (1999)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 85 (1999), S. 5435-5437 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The influence of annealing parameters (time ta, current Ia, and applied stress σa) on magnetic properties of Joule heated amorphous Co68.15Fe4.35Si12.5B15 glass covered microwire (13 μm) was investigated. Annealing under applied stress induces additional anisotropy which is proportional to σa and can be removed by subsequent heating without stress. The magnetoimpedance, measured on the sample with the lowest anisotropy field (HK(approximate)120 Am−1), shows sharp maxima at H=±HK. For driving currents higher than 0.2 mA nonlinear behavior is observed, and the magnitude of giant magnetoimpedance significantly decreases. The maximum relative change of impedance (60%), observed for the highest frequency, 900 kHz, compares well with the values reported on conventional wires. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.369967
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    An amorphous magnetic bimetallic sensor material (1995)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 78 (1995), S. 6157-6164 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: An amorphous bimetal ribbon consisting of magnetostrictive (Fe40Ni40B20) and nonmagnetostrictive (Co67Fe4Cr7Si8B12) layers was prepared by planar flow casting from a double-chamber crucible. The effect of applied tensile stress on hysteresis loops and the surface domain structures of the stress-relieved bimetal was investigated at room temperature. The hysteresis loops can be well explained by superpositions of hysteresis loops of the individual layers. Only the magnetostrictive layer is responsible for the influence of applied stress on magnetic behavior. At a certain stress, the magnetic anisotropy of the magnetostrictive layer abruptly changes from a hard-ribbon-axis to an easy-ribbon-axis type. This transition is accompanied by a change of domain structure and a sharp maximum of the coercive field. A simple model taking into account an interplay of the applied tensile stress with the compressive stress produced by thermal contraction after stress relief and/or by bending of the ribbon has been developed. The observed behavior can be well explained by the model. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.360559
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Über große Cholesteatome (1941)
    Springer
    European archives of oto-rhino-laryngology and head & neck 149 (1941), S. 46-55 
    Details
    ISSN: 1434-4726
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Zusammenfassung Beschreibung von zwei großen Cholesteatomen, die vorwiegend in die Felsenbeinpyramide hineingewachsen waren. Die letzte Ursache für dieses eigenartige Wachstum ist uns noch unbekannt. Diagnostisch ähneln derartige Fälle primären Cholesteatomen. Die Ausdehnung dieser Prozesse festzustellen ist weder otoskopisch noch durch klinische Beobachtung allein, sondern nur mit Hilfe des Röntgenverfahrens möglich. Die Operation wird in den meisten Fällen keine Schwierigkeiten bereiten. Die lange Dauer der Nachbehandlung ist gegeben durch die Gräoße der Höhlen, das Starrbleiben der Wände und in einer Verengungstendenz in den lateralen Teilen der Wunde. Eine Fäullung der Höhle mit Kontrastmittel ist nicht empfehlenswert.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01983382
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Creep-Induced Magnetic Anisotropy of Amorphous Ribbons Studied by Magneto-Impedance and Magnetic Resonance (1999)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 302-303 (Jan. 1999), p. 224-228 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/04/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.302-303.224.pdf
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    Paper (German National Licenses)
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