energy gap

British  

noun

1. physics the difference of energy between the bottom of the conduction band and the top of the valence band of the electrons in a crystalline solid. For values below about 2eV the substance is considered to be a semiconductor whilst for higher values it is considered to be an insulator

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Example Sentences

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energy gap

The Microsoft researchers measured the energy gap of their nanowires at 30 microelectronvolts, above the 10 µev needed for them to be confident the signal is real.

From Science Magazine ● Dec. 20, 2023

The energy gap between the two, also known as the semiconductor's band gap, shrinks where the semiconductor is stretched.

From Science Daily ● Nov. 28, 2023

This connection between the energy gap and magnetism has been challenging to observe in other materials and samples.

From Nature ● Dec. 17, 2019

The energy gap means that this pattern is now reversed.

From Washington Post ● Apr. 8, 2018

Secretary-General Kofi Annan recently told the Ghana News Agency that coal and other fossil fuels are critical at least in the short term to bridge the continent’s massive energy gap.

From Washington Times ● Apr. 19, 2017