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molybdenum disulfide

noun

, Chemistry.
  1. a black crystalline powder, MoS 2 , insoluble in water, used as a lubricant and as a hydrogenation catalyst.


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Word History and Origins

Origin of molybdenum disulfide1

First recorded in 1930–35
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Example Sentences

Yiling Yu, a member of Xiao's research team, grew isotopically pure 2D crystals of atomically thin molybdenum disulfide using molybdenum atoms of different masses.

"Unexpectedly, the light from the molybdenum disulfide with the heavier molybdenum atoms was shifted farther to the red end of the spectrum, which is opposite to the shift one would expect for bulk materials," Xiao said.

To prove the anomalous isotope effect and measure its magnitude to compare with theoretical predictions, Yu grew molybdenum disulfide crystals with two molybdenum isotopes in one crystal.

Cao's group used coal-derived carbon layers as the gate dielectric in two-dimensional transistors built on the semimetal graphene or semiconductor molybdenum disulfide to enable more than two times faster device operating speed with lower energy consumption.

For instance, a popular semiconducting 2D material known as molybdenum disulfide will stick to gold, a metal, but won't directly transfer to insulators like silicon dioxide by just coming into physical contact with that surface.

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molybdenummolybdenum trioxide