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Search results for harvesting devices

Nanomaterials Oct 22, 2024

Flexible thermoelectric fibers for wearables maintain stable energy performance in extreme environments

A thermoelectric material that can be used in wearable devices such as smart clothing and maintains stable thermal energy performance even in extreme environments has been developed by a team of Korean researchers. It has ...

Condensed Matter Oct 22, 2024

Towards better solar cells: Exploring an anomalous phenomenon of electricity generation

The bulk photovoltaic (BPV) effect is an uncommon phenomenon that may enable certain materials to outperform the conventional p–n junctions used in solar cells.

Condensed Matter Oct 11, 2024

First ever visualization shows photoexcited charges traveling across the interface of two semiconductor materials

UC Santa Barbara researchers have achieved the first-ever "movie" of electric charges traveling across the interface of two different semiconductor materials. Using scanning ultrafast electron (SUEM) techniques developed ...

Condensed Matter Sep 22, 2024

Researchers observe an antiferromagnetic diode effect in even-layered MnBiâ‚‚Teâ‚„

Antiferromagnets are materials in which the magnetic moments of neighboring atoms are aligned in an alternating pattern, resulting in no net macroscopic magnetism. These materials have interesting properties that could be ...

Archaeology Sep 2, 2024

Five lessons from ancient civilizations for keeping homes cool in hot, dry climates

Modern buildings tend to take electricity and air conditioning for granted. They often have glass facades and windows that can't be opened. And when the power goes out for days in the middle of a heat wave, as the Houston ...

Social Sciences Aug 21, 2024

'Internet of fish' empowering Lake Victoria women

Along the shores of East Africa's Lake Victoria, in Kenya, women fisherfolk including those known for being victims of sexual exploitation, are harnessing the Internet of Things (IoT) to help them counter their abusers while ...

General Âé¶¹ÒùÔºics Aug 20, 2024

Novel ratchet mechanism uses a geometrically symmetric gear driven by asymmetric surface wettability

The ratchet mechanism is a fascinating energy-conversion system that converts disorderly or random motion into orderly, directed movement through a process known as spontaneous rectification. It is a critical component of ...

Nanomaterials Jul 31, 2024

Nanoscale imaging provides insights into 2D and phase-change materials

Researchers from the University of California, Berkeley have developed cutting-edge nanoscale optical imaging techniques to provide unprecedented insights into the ultrafast carrier dynamics in advanced materials.

Analytical Chemistry Jul 9, 2024

Faster charge transfer mechanism could lead to better energy conversion devices

Solar has emerged in recent years as the fastest growing renewable energy source in the United States, spurred in part by great improvements in technology that help turn light from the sun into electricity more efficiently.

Nanophysics Jun 26, 2024

Breakthrough nanoporous material exhibits giant piezoelectric response

Recently a super-strain nanoporous material, barium calcium zirconium titanate composition (Ba0.85Ca0.15)(Ti0.9Zr0.1)O3 (BCZT) was created, which showcases an extraordinary piezoelectric response (d33 ≈7500 pm V-1) . This ...

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