quantum dot

noun

: a semiconductor nanocrystal exhibiting quantum mechanical effects that allow it to mimic the properties of an atom
The quantum dot is a semiconducting (or metallic) region so tiny that it is essentially confined in all three dimensions; like an atom, it contains a finite number of charges and has discrete energy levels.Barbara Goss Levi

Examples of quantum dot in a Sentence

Recent Examples on the Web However, Clarke said there are different ways of encoding a qubit in a quantum dot (Loss-DiVincenzo, singlet-triplet, and exchange-only, for those curious). John Timmer, Ars Technica, 15 June 2023 Non-toxic quantum dots for CMOS shortwave infrared image sensors for consumer electronics. Jennifer Ouellette, Ars Technica, 18 Jan. 2024 So, an electron in a BLG quantum dot can occupy either of the two valleys. IEEE Spectrum, 30 Jan. 2024 The next step was to incorporate those quantum dots into a lab-scale photodetector. Jennifer Ouellette, Ars Technica, 18 Jan. 2024 See all Example Sentences for quantum dot 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'quantum dot.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1985, in the meaning defined above

Time Traveler
The first known use of quantum dot was in 1985

Dictionary Entries Near quantum dot

Cite this Entry

“Quantum dot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quantum%20dot. Accessed 2 Jul. 2024.

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