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The Raw Power of Human Motion

Standalone power modules that harvest and convert vibrations from their surroundings into electricity could soon fuel future microsystems. Autonomy is a much-anticipated feature of next-generation microsystems, such as remote sensors, wearable electronic gadgets, implantable biosensors and nanorobots. KAUST researchers led by Husam Alshareef, Jr-Hau He and Khaled Salama have developed small standalone devices by integrating

Rule-Breaking Perovskites

A material from the perovskite family of semiconductors emits light much more efficiently than expected. The explanation for this anomalous behaviour could lead to improvements in light-emitting technology. When a semiconductor absorbs light, a particle-like entity called an exciton can be produced. Excitons comprise an electron and a hole (the absence of an electron), and

Nitrades in Transition

US Naval Research Laboratory (NRL) researchers have developed a patent pending technique using niobium nitride (Nb2N) that allows gallium nitride (GaN) to be transferred onto almost anything. The average, everyday person might not be familiar with gallium nitride, also known as GaN, but there is a good chance they’ve heard of silicon, a semiconductor that’s