Physicists have observed a spontaneous magnetic order of electron and nuclear spins in a quantum wire at temperatures of 0.1 kelvin. In the past, this was possible only at much lower temperatures, ...
Alloys created by mixing three atomic species (medium-entropy alloys, or MEAs) or five species or more (high-entropy alloys, or HEAs) have emerged as hot properties in materials science. In metallurgy ...
High-order harmonic generation (HHG) provides a main route to generate attosecond (10-18 s) pulses, which have been considered “the world’s fastest film camera” for imaging the movement of electrons.
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