Nanomaterials

To infrared and beyond: Proposed quantum-based photodetector may expand spectral operating range

By Lisa McDonald / May 1, 2020

Since 2000, infrared photodetector technology has experienced rapid development—particularly quantum-based detectors. Now, researchers in Russia, Japan, and the United States developed a model for a detector that could operate in the far-infrared and even terahertz spectral ranges.

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Roadmap to commercialize all-solid-state batteries

By April Gocha / April 14, 2020

In a recent review article, nanoengineers at the University of California, San Diego outline a research roadmap detailing four remaining challenges to address before all-solid-state batteries can reach their commercial potential.

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A ripe time for invention—new sensor could help prevent food waste

By Lisa McDonald / April 10, 2020

Food waste is a major problem in the United States. To combat this problem, researchers at the Massachusetts Institute of Technology developed a sensor that monitors the plant hormone ethylene, which could reveal when fruits and vegetables are about to spoil.

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‘MXene’mum production—two improvements in MXene processing

By Lisa McDonald / March 20, 2020

Industry must be able to mass produce high-quality MXenes if MXene-based devices are to take off. Two Drexel groups published papers describing new ways to improve processing, by scaling up production and removing water from chemical synthesis.

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Data that lasts—modification of ferroelectric transistor structure improves memory retention

By Lisa McDonald / March 10, 2020

Ferroelectric field-effect transistors are nonvolatile memory devices that nondestructively read stored data. However, data retention times in these devices are short. Purdue University researchers suggest a modification to conventional Fe-FET structure could overcome this obstacle.

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An electrifying matter—two studies announce new electronic states of matter

By Lisa McDonald / March 6, 2020

Classic physics teaches there are four states of matter, but better understanding of matter’s more exotic properties has led to identification of additional states. New studies suggest the possibility of two new electronic states of matter.

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Observing at the extremes— nanomechanical materials testing at over 2,000°C

By Lisa McDonald / March 3, 2020

Performing microscale experiments at ultrahigh temperatures is difficult because the high heat can destroy the testing mechanisms. Researchers demonstrated a new method, which combines targeted laser heating and transmission electron microscopy, that may overcome this problem.

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Films fix flaws: MXenes for guided bone regeneration

By Lisa McDonald / February 11, 2020

A lot of research focuses on environmental and energy applications of MXenes, but there are plenty of potential biomedical applications as well. Three researchers at Sichuan University in China investigate using MXene films as a barrier membrane in guided bone regeneration.

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Stop bleeding without adhering—carbon nanofiber coating offers superior bandage material

By Lisa McDonald / January 28, 2020

Materials to stop bleeding should ideally minimize blood loss while not sticking to the wound. Researchers from ETH Zurich and the National University of Singapore discovered coating gauze with a mix of silicone and carbon nanofibers achieves both objectives.

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Nanospinning performance fabrics—the next generation of gear is weaving materials science into outerwear

By April Gocha / December 31, 2019

By incorporating electrospun nanofibers, The North Face’s new Futurelight gear is designed to be more breathable and lightweight than any other performance material currently on the market.

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