Indirect control of antiferromagnetic domain walls with spin current |
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Authors: | Wieser R Vedmedenko E Y Wiesendanger R |
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Institution: | Institut für Angewandte Physik und Zentrum für Mikrostrukturforschung, Universit?t Hamburg, Jungiusstrasse 11, D-20355 Hamburg, Germany. |
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Abstract: | The indirect controlled displacement of an antiferromagnetic domain wall by a spin current is studied by Landau-Lifshitz-Gilbert spin dynamics. The antiferromagnetic domain wall can be shifted both by a spin-polarized tunnel current of a scanning tunneling microscope or by a current driven ferromagnetic domain wall in an exchange coupled antiferromagnetic-ferromagnetic layer system. The indirect control of antiferromagnetic domain walls opens up a new and promising direction for future spin device applications based on antiferromagnetic materials. |
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