Microfibre-nanowire hybrid structure for energy scavenging

Article Abstract:

The article discusses the design of a new microfibre-nanowire hybrid structure built on hard substrates, which is employed for harvesting the local mechanical energy produced by high-frequency ultrasonic waves. The technique is found to be extremely useful for scavenging light-wind energy and body-movement energy using fabrics.

Electronic components, not elsewhere classified, Other Electronic Component Manufacturing, Crystal & Piezoelectric Devices ex Filters, Design and construction, Technology application, Electric properties, Ultrasonic waves, Zinc oxide, Piezoelectric devices, Ultrasound

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Less excitement for more gain

Article Abstract:

Researchers have finely tuned the energy states of a nanocrystal to make pumping much easier, which might further lower optical pumping thresholds by orders of magnitude. These colloidal semiconductor nanocrystals can be used from telecommunications to medical diagnostics.

Methods, Usage, Semiconductors, Semiconductors (Materials), Optical pumping

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Low-energy acoustic plasmons at metal surfaces

Article Abstract:

A study results suggest that a low energy collective excitation mode found on bare metal is caused by the coexistence of a partially occupied quasi-2D surface-state band with the underlying 3D bulk electron continuum.

Optical properties, Plasmons (Physics), Chemical properties, Metallic elements

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