NDLI: Magnetic interactions in BiFe0.5Mn0.5O3 films and BiFeO3/BiMnO3 superlattices

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Magnetic interactions in BiFe0.5Mn0.5O3 films and BiFeO3/BiMnO3 superlattices

Content Provider	Semantic Scholar
Author	Xu, Qingyu Sheng, Yan Khalid, M. Cao, Yanqiang Wang, Yutian Qiu, Xiang-Biao Zhang, Wen-Wu He, Maocheng Wang, Shuangbao Zhou, Shengqiang Wu, Dingfeng Zhai, Ya Liu, Wenqing Wang, Peng
Copyright Year	2015
Abstract	The clear understanding of exchange interactions between magnetic ions in substituted BiFeO3 is the prerequisite for the comprehensive studies on magnetic properties. BiFe0.5Mn0.5O3 films and BiFeO3/BiMnO3 superlattices have been fabricated by pulsed laser deposition on (001) SrTiO3 substrates. Using piezoresponse force microscopy (PFM), the ferroelectricity at room temperature has been inferred from the observation of PFM hysteresis loops and electrical writing of ferroelectric domains for both samples. Spin glass behavior has been observed in both samples by temperature dependent magnetization curves and decay of thermo-remnant magnetization with time. The magnetic ordering has been studied by X-ray magnetic circular dichroism measurements, and Fe-O-Mn interaction has been confirmed to be antiferromagnetic (AF). The observed spin glass in BiFe0.5Mn0.5O3 films has been attributed to cluster spin glass due to Mn-rich ferromagnetic (FM) clusters in AF matrix, while spin glass in BiFeO3/BiMnO3 superlattices is due to competition between AF Fe-O-Fe, AF Fe-O-Mn and FM Mn-O-Mn interactions in the well ordered square lattice with two Fe ions in BiFeO3 layer and two Mn ions in BiMnO3 layer at interfaces.
File Format	PDF HTM / HTML
DOI	10.1038/srep09093
PubMed reference number	25766744
Journal	Medline
Volume Number	5
Alternate Webpage(s)	http://ftp.ncbi.nlm.nih.gov/pub/pmc/fa/18/srep09093.PMC4357900.pdf
Alternate Webpage(s)	https://doi.org/10.1038/srep09093
Journal	Scientific reports
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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