Magnetocaloric effect in re-entrant ferrimagnet Nd0.2Gd0.8Mn2Ge2 compound

Kervan S., Kervan N., Öztürk A., ÖZÇELİK B., Nane O.

Solid State Communications, cilt.151, sa.5, ss.408-410, 2011 (SCI-Expanded) identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 151 Sayı: 5
  • Basım Tarihi: 2011
  • Doi Numarası: 10.1016/j.ssc.2010.11.034
  • Dergi Adı: Solid State Communications
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.408-410
  • Anahtar Kelimeler: A. Magnetically ordered materials, C. Crystal structure and symmetry, D. Phase transitions
  • Hakkari Üniversitesi Adresli: Hayır

Özet

The magnetic properties and magnetocaloric effect (MCE) of Nd 0.2Gd0.8Mn2Ge2 compound were studied by means of X-ray diffraction and magnetization measurements. The sample was prepared by arc-melting. The compound crystallizes in the tetragonal ThCr 2Si2-type structure with a I4mmm space group. Re-entrant ferrimagnetism is observed for the sample. The compensation point has been observed at 82 K. The maximum magnetic entropy change |ΔSmax| of Nd 0.8Gd0.2Mn2Ge2 is 0.812 J kg -1 K-1 for a field change of 01 T. © 2010 Elsevier Ltd. All rights reserved.