Search results for strained silicon

Materials Science Dec 11, 2020

Scientists develop novel self-healing human-machine interactive hydrogel touch pad

A research group led by Prof. Chen Tao at the Ningbo Institute of Materials Technology and Engineering (NIMTE) of the Chinese Academy of Sciences (CAS), developed a novel soft self-healing and adhesive human-machine interactive ...

Nanomaterials Nov 23, 2020

Strain engineering of 2-D semiconductor and graphene

Strain engineering usually refers to a kind of material processing technology which aims to regulate the properties of materials or optimize related devices' performance by inherent or external strain. In recent years, with ...

Biochemistry Nov 11, 2020

Sorting out viruses with machine learning

The ongoing global pandemic has created an urgent need for rapid tests that can diagnose the presence of the SARS-CoV-2 virus, the pathogen that causes COVID-19, and distinguish it from other respiratory viruses. Now, researchers ...

Nanomaterials Oct 8, 2020

Giant electrochemical actuation in a nanoporous silicon-polypyrrole hybrid material

The absence of piezoelectricity in silicon can lead to direct electromechanical applications of the mainstream semiconductor material. The integrated electrical control of silicon mechanics can open new perspectives for on-chip ...

Materials Science Oct 5, 2020

Normally an insulator, diamond becomes a metallic conductor when subjected to large strain in a new theoretical model

Long known as the hardest of all natural materials, diamonds are also exceptional thermal conductors and electrical insulators. Now, researchers have discovered a way to tweak tiny needles of diamond in a controlled way to ...

Condensed Matter Sep 15, 2020

Predicting delayed instabilities in viscoelastic solids

It is presently challenging to determine the stability of viscoelastic structures since seemingly stable conformations may gradually creep (plastic deformation of a material under stress as a function of time) until their ...

Environment Sep 6, 2020

Crowds pack beaches as California bakes in weekend heat wave

California is sweltering under a dangerous heat wave Labor Day weekend that was spreading triple-digit temperatures over much of the state, raising concerns about power outages and the spread of the coronavirus as throngs ...

Nanophysics Sep 4, 2020

Nanoearthquakes control spin centers in silicon carbide

Researchers from the Paul-Drude-Institut in Berlin, the Helmholtz-Zentrum in Dresden and the Ioffe Institute in St. Petersburg have demonstrated the use of elastic vibrations to manipulate the spin states of optically active ...

Condensed Matter Aug 5, 2020

Breaking the absorption limit of silicon toward the short-wavelength infrared wavelength range via strain engineering

Silicon is widely used in the microelectronics industry although its photonics applications are restricted to the visible and partial near-infrared spectral range due to its fundamental optical bandgap. Researchers have therefore ...

Nanomaterials Jul 29, 2020

3-D touchless interactive display detects finger humidity to change color

A novel three-dimensional (3-D) touchless interactive display can change color based on the distance of the user's finger from the screen by detecting subtle shifts in ambient relative humidity, according to a new study. ...

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