Reference Terms
from Wikipedia, the free encyclopedia
Semiconductor
A semiconductor is a material with an electrical conductivity that is intermediate between that of an insulator and a conductor.
Note: The above text is excerpted from the Wikipedia article "Semiconductor", which has been released under the GNU Free Documentation License.
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Matter & Energy News
November 15, 2024
Nov. 12, 2024 — Global carbon emissions from fossil fuels have reached a record high in 2024, according to new ...
Nov. 6, 2024 — Thin, flexible device could help people with visual impairments 'feel' surroundings. Device comprises a hexagonal array of 19 actuators encapsulated in soft silicone. Device only uses energy when actuators change position, operating for longer ...
Oct. 23, 2024 — In the face of rising CO2 levels, scientists are searching for sustainable ways of pulling carbon dioxide out of the air, so-called direct air capture. A new type of porous material, a covalent organic framework (COF) with attached amines, stands ...
Oct. 17, 2024 — Researchers have developed a novel training protocol for brain-computer interfaces in a study with rhesus monkeys. The method enables precise control of prosthetic hands using signals from the brain alone. Researchers were able to show that the ...
Latest Headlines
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Nov. 15, 2024 — Animals and plants also live and thrive on public squares. This creates opportunities for greater biodiversity and well-being for the human population. Researchers have studied at 103 locations in ...
Nov. 15, 2024 — Metamaterials are artificial materials that do not occur in nature. Their components function like atoms in conventional materials but have special optical, electrical and magnetic properties. ...
Nov. 15, 2024 — A simple, highly efficient, inexpensive, and environmentally friendly process could provide a viable pathway for the sustainable recycling of depleted lithium-ion batteries (LIBs): No chemicals ...
Nov. 13, 2024 — Wastewater injection resulting from oil and gas production in Oklahoma caused a dramatic rise in seismic activity in the state between 2009 and 2015. ...
Nov. 15, 2024 — Scientists have produced a new route to materials with complex 'disordered' magnetic properties at the quantum level. The material, based on a framework of ruthenium, fulfils the requirements of the ...
Nov. 15, 2024 — Scientists have created a new 'biocooperative' material based on blood, which has shown to successfully repair bones, paving the way for personalised ...
Nov. 14, 2024 — Robots that can sense touch and perceive temperature differences? An unexpected material might just make this a reality. Researchers are developing soft and intelligent sensor materials based on ...
Nov. 14, 2024 — Researchers have explored how a particular chemical can selectively trap certain molecules in the cavities of its structure -- even though in normal ...
Nov. 14, 2024 — Water, a molecule essential for life, has unusual properties -- known as anomalies -- that define its behavior. However, there are still many enigmas about the molecular mechanisms that would explain ...
Nov. 14, 2024 — Scientists create biodiesel with electrocatalysis and ...