Size effect on multiferroicity of GdMn2O5 nanorods

Yang Hsiang Tung, Yi Jung Chen, Chun Chuen Yang, Cheng Yu Weng, Yen Kai Huang, Yang Yuan Chen, Maw Kuen Wu

研究成果: 雜誌貢獻期刊論文同行評審

1 引文 斯高帕斯(Scopus)


Four GdMn2O5 nanorod samples of various axial lengths (〈LC〉) along the c axis were synthesized. The antiferromagnetic and ferroelectric ordering disappeared as 〈LC〉 decreased to 66 and 55 nm. Various ferroic critical sizes were observed for the two types of domain sizes. Between T = 18 and 26 K, a charge ordering X-ray diffraction peak appeared at 〈LC〉 = 79 nm. This peak was associated with structural distortion and axial length. The broken multiferroicity of the GdMn2O5 nanorods limits their practical application. For applications in memory devices, the estimated maximal capacity is approximately 650 Gbits/in2.

頁(從 - 到)336-342
期刊Chinese Journal of Physics
出版狀態已出版 - 4月 2021


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