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The bias driven perpendicular magnetic anisotropy is a magneto-electriceffect that can realize 90$^\circ$ magnetization rotation and even 180$% ^\circ$ flip along the easy axis in the ferromagnets with a minimal energyconsumption. This study theoretically demonstrates a similar phenomenon of theN\'{e}el vector reversal via a short electrical pulse that can mediateperpendicular magnetic anisotropy in the antiferromagnets. The analysis basedon the dynamical equations as well as the micro-magnetic simulations revealsthe important role of the inertial behavior in the antiferromagnets thatfacilitates the N\'{e}el vector to overcome the barrier between two free-energyminima of the bistable states along the easy axis. In contrast to theferromagnets, this N\'{e}el vector reversal does not accompany angular momenttransfer to the environment, leading to acceleration in the dynamical responseby a few orders of magnitude. Further, a small switching energy requirement ofa few attojoules illustrates an added advantage of the phenomenon in low-powerspintronic applications.

Currentless reversal of N\'eel vector in antiferromagnets