Researchers from Brown and Columbia Universities have demonstrated previously unknown states of matter that arise in double-layer stacks of graphene, a two-dimensional nanomaterial. These new states, known as the fractional quantum Hall effect, arise from the complex interactions of electrons both within and across graphene layers.Lire la suite
Firm aiming to double production capacity at its Ulm, Germany, facility within the next 18 months.
No slowdown: Philips is continuing to expand VCSEL production
Philips Photonics says that the proliferation of applications for vertical-cavity surface-emitting lasers (VCSELs) in 3D and proximity sensing means it has now passed the shipment milestone of one billion such devices.