期刊
SCIENTIFIC REPORTS
卷 6, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/srep31870
关键词
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资金
- Spanish Government [MAT2014-56063-C2-1-R, FIS2013-48668-C2-1-P, 2012-11709]
- Generalitat de Catalunya [2014 SGR 734]
- Spanish Ministry of Economy and Competitiveness, through the Severo Ochoa Programme for Centres of Excellence in RD [SEV-2015-0496]
- AGAUR-Generalitat de Catalunya [2011 BP-A 00220, 2011 BP-A_2 00014]
- Spanish Ministry of Economy and Competitiveness [IJCI-2014-19102]
- Spanish MINECO [MAT2015-66888-C3-3-R]
- Fundacion BBVA
- ICREA Funding Source: Custom
The multifunctional (ferromagnetic and ferroelectric) response at room temperature that is elusive in single phase multiferroic materials can be achieved in a proper combination of ferroelectric perovskites and ferrimagnetic spinel oxides in horizontal heterostructures. In this work, lead-free CoFe2O4/BaTiO3 bilayers are integrated with Si(001) using LaNiO3/CeO2/YSZ as a tri-layer buffer. They present structural and functional properties close to those achieved on perovskite substrates: the bilayers are fully epitaxial with extremely flat surface, and exhibit robust ferromagnetism and ferroelectricity at room temperature.
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