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Investigation of induced Pt magnetic polarization in Pt/Y<sub>3</sub>Fe<sub>5</sub>O<sub>12</sub> bilayers

Investigation of induced Pt magnetic polarization in Pt/Y3Fe5O12 bilayers

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GEPRÄGS, Stephan, Sibylle MEYER, Stephan ALTMANNSHOFER, Matthias OPEL, Fabrice WILHELM, Andrei ROGALEV, Rudolf GROSS, Sebastian T. B. GÖNNENWEIN, 2012. Investigation of induced Pt magnetic polarization in Pt/Y3Fe5O12 bilayers. In: Applied Physics Letters. American Institute of Physics (AIP). 101(26), 262407. ISSN 0003-6951. eISSN 1077-3118. Available under: doi: 10.1063/1.4773509

@article{Geprags2012-11-05T16:36:22ZInves-52441, title={Investigation of induced Pt magnetic polarization in Pt/Y3Fe5O12 bilayers}, year={2012}, doi={10.1063/1.4773509}, number={26}, volume={101}, issn={0003-6951}, journal={Applied Physics Letters}, author={Geprägs, Stephan and Meyer, Sibylle and Altmannshofer, Stephan and Opel, Matthias and Wilhelm, Fabrice and Rogalev, Andrei and Gross, Rudolf and Gönnenwein, Sebastian T. B.}, note={Article Number: 262407} }

Meyer, Sibylle Wilhelm, Fabrice Gönnenwein, Sebastian T. B. terms-of-use 2012-11-05T16:36:22Z Gönnenwein, Sebastian T. B. Gross, Rudolf 2021-01-15T07:45:38Z Rogalev, Andrei Opel, Matthias Meyer, Sibylle Geprägs, Stephan Altmannshofer, Stephan eng Investigation of induced Pt magnetic polarization in Pt/Y<sub>3</sub>Fe<sub>5</sub>O<sub>12</sub> bilayers Using X-ray magnetic circular dichroism (XMCD) measurements, we explore the possible existence of induced magnetic moments in thin Pt films deposited onto the ferrimagnetic insulator yttrium iron garnet (Y<sub>3</sub>Fe<sub>5</sub>O<sub>12</sub>). Such a magnetic proximity effect is well established for Pt/ferromagnetic metal heterostructures. Indeed, we observe a clear XMCD signal at the Pt L<sub>3</sub> edge in Pt/Fe bilayers, while no such signal can be discerned in XMCD traces of Pt/Y<sub>3</sub>Fe<sub>5</sub>O<sub>12</sub> bilayers. Integrating the XMCD signals allows to estimate an upper limit for the induced Pt magnetic polarization in Pt/Y<sub>3</sub>Fe<sub>5</sub>O<sub>12</sub> bilayers. Altmannshofer, Stephan Opel, Matthias Geprägs, Stephan Wilhelm, Fabrice Gross, Rudolf Rogalev, Andrei 2021-01-15T07:45:38Z

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