Search results for dopant

General Physics Dec 18, 2019

Topological materials for information technology offer lossless transmission of signals

New experiments with magnetically doped topological insulators at BESSY II have revealed possible methods of lossless signal transmission that involve a surprising self-organization phenomenon. In the future, it might be ...

Materials Science Dec 16, 2019

New way to make biomedical devices from silk yields better products with tunable qualities

Researchers led by engineers at Tufts University have developed a novel, significantly more efficient fabrication method for silk that allows them to heat and mold the material into solid forms for a wide range of applications, ...

Polymers Dec 16, 2019

Polymer-based optical fiber for visualization of material stress

Fiber-optic strain sensing is known for its ability to monitor large areas. However, most types of fiber-optic strain sensors require spectrum analysis instruments, which drastically increases the overall cost of sensor systems. ...

Materials Science Nov 25, 2019

Ammonia synthesis made easy with 2-D catalyst

Rice University researchers have developed an inorganic method to synthesize ammonia that is both environmentally friendly and can produce the valuable chemical on demand under ambient conditions.

Optics & Photonics Oct 30, 2019

Researchers use 3-D printing to make glass optical fiber preform

Researchers have developed a way to use 3-D printing to create a preform that can be drawn into silica glass optical fibers, which form the backbone of the global telecommunications network. This new fabrication method could ...

Quantum Physics Oct 23, 2019

Unique properties of quantum material explained for first time

The characteristics of a new, iron-containing type of material that is thought to have future applications in nanotechnology and spintronics have been determined at Purdue University.

Nanophysics Oct 8, 2019

Modified quantum dots capture more energy from light and lose less to heat

Los Alamos National Laboratory scientists have synthesized magnetically-doped quantum dots that capture the kinetic energy of electrons created by ultraviolet light before it's wasted as heat.

Materials Science Oct 7, 2019

New silk materials can wrinkle into detailed patterns, then unwrinkle to be 'reprinted'

Researchers at Tufts University School of Engineering have developed silk materials that can wrinkle into highly detailed patterns—including words, textures and images as intricate as a QR code or a fingerprint. The patterns ...

Materials Science Oct 4, 2019

Universal latent anion donors for ultralow work function solution-processable electrodes

NUS scientists have reported in Nature the discovery of latent universal electron donors from common anions, like oxalate, which can potently transfer electrons to organic semiconductors, realizing the dream to achieve electron ...

Materials Science Sep 26, 2019

Electrostatically controlled surface boundary conditions in nematic liquid crystals and colloids

Liquid crystals differ from isotropic fluids (fluids with similar properties in different directions) to exhibit highly anisotropic (varying properties in different directions) interactions with surfaces. In a new report ...

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