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345 Current news about the topic semiconductors

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The structure of the smallest semiconductor was elucidated

The smallest semiconductor composed of only 27 atoms, the Cd14Se13 cluster, has an interesting core-cage structure

05-Aug-2022

A semiconductor is a material whose conductivity lies somewhere between that of a conductor and an insulator. This property allows semiconductors to serve as the base material for modern electronics and transistors. It is no understatement that the technological progress in the latter part of the ...

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A flexible device that harvests thermal energy to power wearable electronics

03-Aug-2022

Wearable electronics, from health and fitness trackers to virtual reality headsets, are part of our everyday lives. But finding ways to continuously power these devices is a challenge. University of Washington researchers have developed an innovative solution: the first-of-its kind flexible, ...

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Researchers report major advance in semiconductor materials

High carrier mobility in cubic boron arsenide offers promise for next-gen electronics

27-Jul-2022

Researchers have for the first time experimentally discovered that a cubic boron arsenide crystal offers high carrier mobility for both electrons and holes – the two ways in which a charge is carried in a semiconducting material – suggesting a major advance for next-generation electronics. While ...

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Smoke Detector “Sniffs out” Causes of Fire

Alarm Before There Is Even a Fire

13-Jul-2022

INNOspace Masters is an annual ideas competition that showcases new ideas for space and earth applications. A team from ZARM and IWT at the University of Bremen, in collaboration with the Institute for Physical and Theoretical Chemistry at the University of Tübingen, has now won the DLR Design ...

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Spintronics: Giant Rashba semiconductors show unconventional dynamics with potential applications

07-Jul-2022

Germanium telluride is a strong candidate for use in functional spintronic devices due to its giant Rashba-effect. Now, scientists at HZB have discovered another intriguing phenomenon in GeTe by studying the electronic response to thermal excitation of the samples. To their surprise, the ...

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Making dark semiconductors shine

30-Jun-2022

An international research team led by scientists at the University of Oldenburg has succeeded in manipulating the energy-level structure in an ultra-thin sample in such a way that this semiconductor, which normally has a low luminescence yield, began to emit light. Whether or not a solid can ...

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Converting body heat into electricity: A step closer towards high-performance organic thermoelectrics

Can you image charging your mobile phone by simply using your body heat? It may still sound rather futuristic, but thermoelectrics certainly can do

06-Apr-2022

Researchers from TU Dresden introduce a new path towards superior organic thermoelectric devices: highly efficient modulation doping of highly ordered organic semiconductors under high doping concentrations. The results have now been published in the journal “Science Advances”. Can you image ...

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Surprising semiconductor properties revealed with innovative new method

Discovery reveals role of oxygen impurities in semiconductor properties

11-Mar-2022

A research team probing the properties of a semiconductor combined with a novel thin oxide film have observed a surprising new source of conductivity from oxygen atoms trapped inside. Scott Chambers, a materials scientist at the Department of Energy’s Pacific Northwest National Laboratory, ...

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Predicting solar cell performance from terahertz and microwave spectroscopy

Reliably determine the mobility and lifetime of the charge carriers in new semiconducting materials

08-Mar-2022

Many semiconducting materials are possible candidates for solar cells. In recent years, perovskite semiconductors in particular have attracted attention, as they are both inexpensive and easy to process and enable high efficiencies. Now a study with 15 participating research institutions shows ...

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Speeding through nanowire

Nanowires under tension create the basis for ultrafast transistors

09-Feb-2022

Smaller chips, faster computers, less energy consumption. Novel concepts based on semiconductor nanowires are expected to make transistors in microelectronic circuits better and more efficient. Electron mobility plays a key role in this: The faster electrons can accelerate in these tiny wires, ...

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