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  • 1
    Electronic Resource
    Electronic Resource
    A Mössbauer study of rapidly quenchedCuFe alloys — Antiferromagnetic γ-Fe (1986)
    Springer
    Hyperfine interactions 28 (1986), S. 993-996 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A series ofCuFe alloys containing 5, 10 and 16 at% Fe has been prepared using standard ribbon spinning techniques. It is found that samples containing significant fractions (∼ 5%) of Fe in the form of r-Fe can be obtained readily on quenching from the (r + liquid) phase, applied field spectra (0–5.2 T) on antiferromagnetic r-Fe at 4. 2 K indicate that the anisotropy energy is small and that spins tilt from the minimum energy configuration (spin axes perpendicular to Bappl) for Bappl ≥ 2.5T.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02061611
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Evolution of spin clusters from the spin glass region inAuFe (1986)
    Springer
    Hyperfine interactions 28 (1986), S. 989-991 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Zero field Mössbauer spectra (4.2–40 K) have been obtained onAuFe alloys containing 5 and 10 at %Fe in differing metallurgical states. Graphs of the reduced magnetic hyperfine field versus reduced temperature have been compared With Brillouin curves. This comparison shows that the heat treated 5 at %Fe sample is essentially a homogeneous spin glass whereas the behaviour of the heat treated 10 at %Fe sample and alloys in an as rolled (atomically clustered) state can be better described by the additional presence of magnetic clusters of spins.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02061610
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    A Mössbauer effect study of Y(57Fe:Mn)12 (1983)
    Springer
    Hyperfine interactions 16 (1983), S. 681-684 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The intermetallic compound, YMn12, doped with 0.5at.%57Fe has been investigated using the57Fe Mössbauer resonance. The data show that the Fe impurities occupy preferentially the f-site at the expense of the i- and j-sites. Whereas the i- and j-sites are expected to carry identical local magnetic moments in the ordered state, low temperature hyperfine fields of 50.08(±0.05)T and 2.90(±0.03)T are measured for the i- and j-sites respectively. It is proposed that large transferred hyperfine fields are responsible for this disparity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02147341
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    γ-Fe precipitation in melt-spunCuFe (1988)
    Springer
    Hyperfine interactions 41 (1988), S. 567-570 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The ribbon spinning method has been used to prepare samples containing enhanced fractions (∼ 3–6 at%) of iron precipitates in the fcc γ-phase fromCuFe alloys containing 5, 10 and 16 at% Fe. Details of the procedure, heat treatments and data analysis are presented. The behaviour of the intensity ratio parameter in applied field spectra (0–5.2 T) obtained below the antiferromagnetic ordering temperature of γ-Fe is also examined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02400454
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Magnetic field effects on Mössbauer spectra ofAuFe (1983)
    Springer
    Hyperfine interactions 16 (1983), S. 661-664 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Zero and applied field Mössbauer spectra onAuFe alloys with 5, 10 and 20 at % Fe have provided information on the spin glass, cluster glass and long range ferromagnetic phases which are present in this system. The mean hyperfine parameters for these phases are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02147336
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Effect of Cr and Ni substitution on the hyperfine parameters of Fe-B based metallic glasses (1983)
    Springer
    Hyperfine interactions 16 (1983), S. 739-742 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Some features of the variation of isomer shift, quadrupole splitting and magnetic hyperfine field distribution in Fe85−xCrxB15 (x=5–30), Fe85−yCr15By (y=10–20) and Fe85−xNixB15 (x=5–30) metallic glasses are reported. Changes in the isomer shift and quadrupole splitting for the Crx and By series are linked with a precursor stage for the onset of ferromagnetism.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02147355
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Mössbauer isomer shifts and electric field grandients in Cr1−xFex Alloys (1988)
    Springer
    Hyperfine interactions 41 (1988), S. 551-554 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Room temperature Mössbauer spectra of Cr1−xFex alloys (x=0.05–0.26) have been fitted using a pseudo-lorentzian lineshape; this leads to the widths of gaussian processes which contribute to the line broadening. The variation of isomer shift with composition can be described well by an extension to the cellular model of Miedema and co-workers. Estimations of the contributions of the s electron charge transfer and the s-d electron conversions to the isomer shift are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02400450
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    Paper (German National Licenses)
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