What question did this study set out to answer?

To determine whether full 180° Néel vector reversals can be electrically induced and readout in collinear antiferromagnetic CuMnAs films.

November 2, 2018Nature CommunicationsOpen Access

Electrically induced and detected Néel vector reversal in a collinear antiferromagnet

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To determine whether full 180° Néel vector reversals can be electrically induced and readout in collinear antiferromagnetic CuMnAs films.
Applied writing currents with alternating polarities to induce spin-orbit torques in collinear antiferromagnetic CuMnAs thin films.
Measured second-order magnetoresistance effects and analyzed magnetic point group symmetries to distinguish opposite Néel vector orientations.
Demonstrated reliable 180° Néel vector reversal controlled by switching the polarity of the electrical writing current.
Successfully detected and distinguished two stable states with opposite Néel vector orientations through second-order magnetoresistance electrical readout.

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Implication

Experimental study demonstrates electrical switching and detection of 180° Néel vector reversal in CuMnAs, indicating a mechanism for high-density antiferromagnetic memory.

Cite This Study

A 2018 study studied this question.

synapsesocial.com/papers/6a9efd09f3afe7ce9df16dff https://doi.org/10.1038/s41467-018-07092-2

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Implication

Experimental study demonstrates electrical switching and detection of 180° Néel vector reversal in CuMnAs, indicating a mechanism for high-density antiferromagnetic memory.

Electrically induced and detected Néel vector reversal in a collinear antiferromagnet

Key Points

Discussion

Implication

Cite This Study

Electrically induced and detected Néel vector reversal in a collinear antiferromagnet

Key Points

Discussion

Implication

Cite This Study

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