@article{Geprags2007Multi-52525,
  year={2007},
  doi={10.1080/09500830701194165},
  title={Multiferroic materials based on artificial thin film heterostructures},
  number={3-4},
  volume={87},
  issn={0950-0839},
  journal={Philosophical Magazine Letters},
  pages={141--154},
  author={Geprägs, Stephan and Opel, Matthias and Gönnenwein, Sebastian T. B. and Gross, Rudolf}
}

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    <dcterms:title>Multiferroic materials based on artificial thin film heterostructures</dcterms:title>
    <dcterms:abstract xml:lang="eng">We discuss the use of thin film heterostructures for the generation of artificial multiferroic or magnetoelectric material systems. In this regard the transition metal oxides BiFeO&lt;sub&gt;3&lt;/sub&gt; and BiCrO&lt;sub&gt;3&lt;/sub&gt; are of particular interest. By using laser molecular beam epitaxy we have grown epitaxial thin films of these materials on SrTiO&lt;sub&gt;3&lt;/sub&gt; substrates in a two-dimensional layer-by-layer growth mode. The films show small surface roughness and excellent crystallographic quality with mosaic spread below 0.04°. In contrast to the bulk materials, both BiFeO&lt;sub&gt;3&lt;/sub&gt; and BiCrO&lt;sub&gt;3&lt;/sub&gt; films have tetragonal crystal structure due to epitaxial coherency strain. The magnetic properties have been studied by SQUID magnetometry. In contrast to a previous report on BiFeO&lt;sub&gt;3&lt;/sub&gt; we find only a small saturation magnetization below 0.05μ &lt;sub&gt;B&lt;/sub&gt;/formula unit both for BiFeO&lt;sub&gt;3&lt;/sub&gt; and BiCrO&lt;sub&gt;3&lt;/sub&gt;, which can be explained by a canting of the antiferromagnetically aligned Fe and Cr spins, respectively. Furthermore, no indication for a strain induced enhancement of magnetization was found.</dcterms:abstract>
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    <dc:creator>Opel, Matthias</dc:creator>
    <dc:contributor>Gross, Rudolf</dc:contributor>
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    <dc:contributor>Opel, Matthias</dc:contributor>
    <dc:creator>Gross, Rudolf</dc:creator>
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    <dc:creator>Geprägs, Stephan</dc:creator>
    <dcterms:issued>2007</dcterms:issued>
    <dc:contributor>Gönnenwein, Sebastian T. B.</dc:contributor>
    <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2021-01-20T13:12:34Z</dc:date>
    <dc:creator>Gönnenwein, Sebastian T. B.</dc:creator>
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    <dc:contributor>Geprägs, Stephan</dc:contributor>
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