Search results for metamaterial

Optics & Photonics Sep 12, 2019

Researchers use metamaterials to create two-part optical security features

Researchers have developed advanced optical security features that use a two-piece metamaterial system to create a difficult-to-replicate optical phenomenon. Metamaterials are engineered to have a property that is not found ...

Materials Science Sep 11, 2019

New metamaterial morphs into new shapes, taking on new properties

A newly developed type of architected metamaterial has the ability to change shape in a tunable fashion.

General Physics Sep 10, 2019

Making waves with metamaterials

For Jordan Raney, assistant professor in the Department of Mechanical Engineering and Applied Mechanics, cutting-edge science sometimes involves whacking a rubber disc with a hammer.

Nanophysics Sep 2, 2019

Direct microscopy imaging reveals details in DNA origami nanostructures

Scientists at the U.S. Department of Energy's Ames Laboratory are now able to see greater details of DNA origami nanostructures, which will lead to a greater understanding and control of their assembly for future applications.

Optics & Photonics Aug 29, 2019

Researchers demonstrate first all-metamaterial optical gas sensor

Researchers have developed the first fully-integrated, non-dispersive infrared (NDIR) gas sensor enabled by specially engineered synthetic materials known as metamaterials. The sensor has no moving parts, requires little ...

Nanophysics Aug 22, 2019

Ultrahigh thermal isolation across heterogeneously layered two-dimensional materials

Heterogeneous nanomaterials can now facilitate advanced electronics and photonics applications, but such progress is challenging for thermal applications due to the comparatively shorter wavelengths of heat carriers (known ...

General Physics Aug 21, 2019

Scientists develop a metamaterial for applications in magnonics, an alternative to conventional electronics

Physicists from Russia and Europe have demonstrated the real possibility of using superconductor/ferromagnet systems to create magnonic crystals, which will be at the core of spin-wave devices to come in the post-silicon ...

General Physics Aug 14, 2019

Two teams build invisibility cloaks for water applications

Two teams of researchers, one in Korea, the other China, have devised two different types of invisibility cloaks for water applications. Both teams have published papers describing their work in the journal Physical Review ...

Nanomaterials Aug 9, 2019

Nanowire arrays could improve solar cells

Transparent electrodes are a critical component of solar cells and electronic displays. To collect electricity in a solar cell or inject electricity for a display, you need a conductive contact, like a metal, but you also ...

Materials Science Aug 7, 2019

A hybrid material that switches reversibly between two stable solid states

Solid matter typically contains a single, stable solid state for a specific set of conditions. Materials scientists envision that new materials with interchangeable solid states will be advantageous for diverse technical ...

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