Intriguing complex magnetism of Co in RECoAsO (RELa, Nd, and Sm)

Anand Pal, M. Tropeano, S. D. Kaushik, Mushahid Hussain, Hari Kishan, V. P.S. Awana

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


The bulk intrinsic magnetism of Co changes dramatically when nonmagnetic La Sm and Nd in RECoAsO (RE=La, Nd, Sm). Although the itinerant ferromagnetism occurs below 80-100 K with small saturation moment, typical anti-ferromagnetic (AFM) transitions (TN1, TN2) are observed at 57 K and 45 K for Sm and at 69 K and 14 K for Nd. This is evidenced in isothermal magnetization plots as well. It is clear that SmNd magnetic moments interact with the ordered Co spins in adjacent layer and thus transforms the ferromagnetic (FM) ordering to AFM.

Original languageEnglish
Article number07E121
JournalJournal of Applied Physics
Issue number7
Publication statusPublished - 01-04-2011

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)


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