Control and detection of spin order in ferromagnetic materials is the main principle enabling
magnetic information to be stored and read in current technologies. Antiferromagnetic …

Antiferromagnetic materials could represent the future of spintronic applications thanks to
the numerous interesting features they combine: they are robust against perturbation due to …

Strong periodic driving with light offers the potential to coherently manipulate the properties
of quantum materials on ultrafast timescales. Recently, strategies have emerged to …

The structure of our material world is characterized by a large hierarchy of length scales that
determines material properties and functions. Increasing spatial resolution in optical imaging …

Coherent spin oscillations were nonthermally induced by circularly polarized pulses in the
fully compensated antiferromagnet NiO. This effect is attributed to the action of the effective …

Understanding and utilizing novel antiferromagnetic (AFM) materials has been recently one
of the central issues in condensed matter physics, as well as in materials science and …

Antiferromagnetic materials, which have drawn considerable attention recently, have
fascinating features: they are robust against perturbation, produce no stray fields, and exhibit …

In experiment and theory, we resolve the mechanism of ultrafast optical magnon excitation in
antiferromagnetic NiO. We employ time-resolved optical two-color pump-probe …

In a solid, the electronic subsystem can exhibit incipient order with lower point group
symmetry than the crystal lattice. Ultrafast external fields that couple exclusively to electronic …

We report on the observation of terahertz (THz) radiation emitted from antiferromagnetic
(AFM) single-crystal nickel oxide irradiated with femtosecond laser pulses. Periodic …