期刊
MATERIALS RESEARCH LETTERS
卷 1, 期 1, 页码 39-44出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/21663831.2013.764942
关键词
Magnetoelectric coupling; Multiferroic; Ferroelectric; Complex oxide interfaces
资金
- Center for Integrated Nanotechnologies, a US Department of Energy, Office of Basic Energy Sciences user facility
- National Nuclear Security Administration of the US Department of Energy [DE-AC52-06NA25396]
- NORDITA
We examine the effects of interfacial symmetry breaking between ferroelectric and ferromagnetic (FM) materials. Using a standard Ginzburg-Landau formalism, we show that the presence of a linear coupling between electric polarization and magnetization produces spatial modulations of the ordered states. This coupling can also induce interfacial order from a non-ordered state. In the case of the paramagnetic state, this coupling produces a shift of the transition temperature and can drive the system from non-ordered to ordered at the interface. For the paraelectric state, an induced interfacial polarization emerges due to the FM state in the adjacent material.
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