Nanometer-Scale Material Capable of Straightening and Speeding Up Light Waves
A newly published study details how a specially designed “meta-atom” of gold and silicon oxide can transmit light through a wide bandwidth and at a…
Metamaterials
Metamaterials Amplify the Photonic Spin Hall Effect
Using metamaterial surfaces, researchers were able to amplify the signal of the photonic Spin Hall Effect, making it directly observable with simple detection techniques, and…
Scientists Create “Ghost-Illusion” Cloaking Device
Using the space transformation theory and engineering capability of metamaterials, researchers from Southeast University in China, National University of Singapore and University of Birmingham have…
Cathodoluminescence Used to Probe Metamaterials
The phenomenon of cathodoluminescence gave geologists an easy way to identify quartz and other minerals in rock samples. Cathodoluminescence allows a piece of quartz to…
Shape-Remembering Hydrogels Made Out of Synthetic DNA
A new metamaterial created by researchers at Cornell University, is soft enough that it can flow like a liquid, but can then it can return…
Duke University Creates “Perfect” Microwave Cloak
Scientists have been able to successfully cloak an object, rendering a centimeter-scale cylinder invisible to microwaves. Many different invisibility cloaks have been demonstrated, but all…
Scientists Change the Color of Gold
Scientists in Southampton, UK, are now able to change the color of gold, which could have applications in jewelry-making and security features. The scientists published…
Electron-Cloaking Material May Enable More Efficient Transfer of Electrons
MIT researchers are working to develop an electron-cloaking material that would “hide” particles from passing electrons, possibly leading to more efficient thermoelectric devices and new…
Optically Switchable Chiral THz Metamolecules
Using terahertz metamaterials engineered from nanometer-sized gold strips with air as the dielectric, a team of scientists have created the first artificial molecules whose chirality…
Indefinite Metamaterial Used to Create the First 3D Nanoscale Optical Cavities
By alternating super-thin multiple layers of silver and germanium, researchers at the Berkeley Lab fabricated an indefinite metamaterial, which they then used to create the…
New Metamaterial Uses “Aluminum-Doped Zinc Oxide” for Enhanced Performance
By using an “aluminum-doped zinc oxide,” or AZO, Purdue researchers have shown how to create metamaterials without using silver or gold. The new metamaterial consists…
Ames Laboratory Seeks to Make Science Fiction a Reality
As researchers at Ames Laboratory aim to move innovations from the realm of science fiction closer to reality, they developed a method to evaluate different…
New Nanofabrication Process for Metamaterials
The development of metamaterials continues to move forward as physicists at Harvard have used short and powerful laser pulses to create 3-D patterns of tiny…
New Metamaterial Design Extremely Efficient at Capturing Light
Based on computer simulations, new research shows that a new metamaterial design is able to absorb a wide range of light with extremely high efficiency….
Scientists Make 3D Objects Invisible to Microwave Wavelengths
After years of progress, scientists are now coming closer and closer to making real-world objects disappear from view. Researchers from the University of Texas at…