Journal
PHYSICAL REVIEW LETTERS
Volume 128, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.128.097702
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Funding
- Grant Agency of the Czech Republic [19-18623Y]
- Ministry of Education of the Czech Republic [LM2018110]
- EU FET Open RIA Grant [766566]
- Institute of Physics of the Czech Academy of Sciences
- Max Planck Society through the Max Planck Partner Group Programme
- Ministry of Education, Youth and Sports of the Czech Republic through the e-INFRA CZ [90140]
- Excellence Initiative of Aix-Marseille Universite-A*Midex, a French Investissements d'Avenir program
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This paper theoretically studies the junctions built out of noncollinear antiferromagnets in spintronics applications. It demonstrates large and robust magnetoresistance and spin-transfer torque for ultrafast switching between parallel and antiparallel states of the junctions. In addition, a new type of self-generated torque appears in the noncollinear junctions.
Ferromagnetic spin valves and tunneling junctions are crucial for spintronics applications and are one of the most fundamental spintronics devices. Motivated by the potential unique advantages of antiferromagnets for spintronics, we theoretically study here junctions built out of noncollinear antiferromagnets. We demonstrate a large and robust magnetoresistance and spin-transfer torque capable of ultrafast switching between parallel and antiparallel states of the junction. In addition, we show that a new type of self-generated torque appears in the noncollinear junctions.
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