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Low-Temperature Crystal Structure and Mean-Field Modeling of ErxDy1−xAl2 Intermetallics

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  • معلومة اضافية
    • بيانات النشر:
      MDPI AG, 2020.
    • الموضوع:
      2020
    • نبذة مختصرة :
      Low-temperature crystal structure of the ErxDy1&minus
      xAl2 alloys with x = 0.45, 0.67, 0.90 was examined using temperature-dependent powder X-ray diffraction. The Er-rich sample, Er0.9Dy0.1Al2, exhibits a rhombohedral distortion associated with the magnetic ordering that occurs around 20 K. The rhombohedral distortion is suppressed in Er0.67Dy0.33Al2, while a weak low-temperature tetragonal distortion is observed in Er0.45Dy0.55Al2. The mean-field theory supports the correlation between the type of structural distortion and the variable easy magnetization axis in ErxDy1&minus
      xAl2 intermetallics.
    • File Description:
      application/pdf
    • ISSN:
      2075-4701
    • الرقم المعرف:
      10.3390/met10121662
    • Rights:
      OPEN
    • الرقم المعرف:
      edsair.doi.dedup.....f59c219be1340efb4ad3e478e9b11425