On the cusp of valleytronics

Research into harnessing two-dimensional (2-D) materials for everyday devices has had some ups and downs. However, the emerging field of valleytronics is using energy troughs to offer renewed potential.

Trump eases US methane rules as Colorado says state's work

The Trump administration is rolling back some U.S. regulations on climate-changing methane pollution, calling them expensive and burdensome, but Colorado says its rules are working—and they have industry support.

Physicists design a nano-resonator with strong nonlinear response

An international research team has found a way to make frequency conversion of light at the nanoscale 100 times more efficient. The new method is based on isolated dielectric nanoparticles supporting so-called bound states ...

Maintaining vibrational coherence with electron spin

Electron spin is an important property that determines processes such as chemical reactivity and the lifetime of the electron state. Spin is exploited in several applications such as luminescent materials, phototherapy, photochemistry, ...

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