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  • 75.60.Jp  (1)
  • PACS. 75.50.Bb Fe and its alloys - 75.60.-d Domain effects, magnetization curves, and hysteresis  (1)
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  • 75.60.Jp  (1)
  • PACS. 75.50.Bb Fe and its alloys - 75.60.-d Domain effects, magnetization curves, and hysteresis  (1)
  • 68.55.Bg  (1)
  • 81.35.+k  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Effective magnetic anisotropy of nanocrystalline Nd-Fe-Ti-N hard magnetic alloys (1998)
    Springer
    The European physical journal 3 (1998), S. 41-44 
    Details
    ISSN: 1434-6036
    Keywords: PACS. 75.50.Bb Fe and its alloys - 75.60.-d Domain effects, magnetization curves, and hysteresis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: The intermetallic compound Nd-Fe-Ti-N has been successfully synthesized by a mechanical alloying process. The structure and magnetic properties of the sample have been studied using X-ray diffraction and magnetic measurements. It is found that alloy exhibits a nanocrystalline ThMn12-type tetragonal structure with lattice parameters of a=0.8723 nm and c=0.4896 nm. The saturation magnetization MS and effective magnetic anisotropy Keff of the compound have been determined by investigating magnetization processes. The calculated results based on the law of approach to magnetic saturation have been successfully used to determine the constant Keff. The difference between observed and calculated values in magnetization is lower than 3%. Of all terms in the law of approach to saturation, it is the 1/H 2 term, which is attributed more to non-compensated anisotropy energy, that has the prevailing effect for the compound. The absorption of nitrogen is found to increase unit cell volume, MS and Keff.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100510050282
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Preparation and microstructures of CoAg granular films with giant magnetoresistance (1996)
    Springer
    Applied physics 63 (1996), S. 167-170 
    Details
    ISSN: 1432-0630
    Keywords: 75.60.Jp ; 81.35.+k ; 68.55.Bg
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract A series of Co x Ag1−x (0 ≤x 〈 100 at.%) granular films were deposited onto glass substrates with the thickness on the order of 400 nm using the ion-beam cosputtering technique at different substrate temperatures. Systematical investigations were made on the Giant MagnetoResistance (GMR) effect and microstructures in these thin granular films. The magnetoresistance ratio strongly depends on cobalt concentration, substrate temperature, and the optimal value of GMR was observed in Co22Ag78 sample prepared at a temperature of 300 K. Microstructures of these films are closely related to the fabricating process, and thus influence the GMR.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01567645
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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