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Researchers put a new twist on graphite

In a new Nature paper, a team led by UW researchers reports that it is possible to imbue graphite — the bulk, 3D material found in No. 2 pencils — with physical properties similar to graphite’s 2D counterpart, graphene. Not only was this breakthrough unexpected, the team also believes its approach could be used to test whether similar types of bulk materials can also take on 2D-like properties. If so, 2D sheets won’t be the only source for scientists to fuel technological revolutions. Bulk, 3D materials could be just as useful.

Reimagining optics for smartphones and other devices

UW ECE and Physics Associate Professor Arka Majumdar and UW ECE postdoctoral scholar Johannes Fröch are part of an international research team helping to make high-quality, color cameras smaller and lighter for mobile platforms, such as next-generation smartphones, drones, and point-of-care medical devices. The team recently developed a miniature camera that uses an innovative hybrid optical system over 100 times smaller than its commercial counterpart.

Next-generation data centers within reach thanks to new energy-efficient switches

In a paper published online July 4 in Nature Nanotechnology, a team led by University of Washington scientists reported the design of an energy-efficient, silicon-based non-volatile switch that manipulates light through the use of a phase-change material and graphene heater. The exceptional performance of their switch could help advance both information technology and quantum computing.

Lasers trigger magnetism in atomically thin quantum materials

Researchers have discovered that light — from a laser — can trigger a form of magnetism in a normally nonmagnetic material. This magnetism centers on the behavior of electrons “spins,” which have a potential applications in quantum computing. Scientists discovered that electrons within the material became oriented in the same direction when illuminated by photons from a laser. By controlling and aligning electron spins at this level of detail and accuracy, this platform could have applications in quantum computing, quantum simulation and other fields. The experiment, led by scientists at the University of Washington, the University of Hong Kong and the Pacific Northwest National Laboratory, was published April 20 in Nature.

UW researchers developing miniaturized imaging device to treat heart attack, stroke

An interdisciplinary research team at the University of Washington, led by Arka Majumdar, an associate professor of electrical and computer engineering and physics, was awarded $3.6 million in funding from the National Science Foundation to use meta-optics to develop a dramatically smaller endoscope that can image previously inaccessible areas of the heart and brain.