Unusual effects of Ho3+ ion on magnetic properties of YFe0.5Cr0.5O3

Autor: B.R. Chen, Jinqiang Huang, G.L. Xiao, Z. W. Ouyang, Zhao Jin, L.R. Shi, Zhengcai Xia, M. Wei, S. Huang, C. Shang
Rok vydání: 2015
Předmět:
Zdroj: Ceramics International. 41:13455-13460
ISSN: 0272-8842
DOI: 10.1016/j.ceramint.2015.07.134
Popis: The temperature-induced dual magnetization reversal and field-induced spin reorientation transition are observed in Y 0.95 Ho 0.05 Fe 0.5 Cr 0.5 O 3 . The Ho 3+ dopant improves the sensitivity of the magnetization switching and weak ferromagnetism of YFe 0.5 Cr 0.5 O 3 . Based on the experimental results, we suggest that the ferrimagnetic ground state and the magnetization reversal mainly result from the antiferromagnetic coupling of weak ferromagnetic moments of Fe–O–Fe and Cr–O–Cr with that of Fe–O–Cr and Ho–O–Fe/Cr interactions. The fact that the magnetization reversal of Y 0.95 Ho 0.05 Fe 0.5 Cr 0.5 O 3 under a lower magnetic field makes it attractive candidates for the magnetic dual sensor devices.
Databáze: OpenAIRE