Molybdenum disulfide nanoelectromechanical system ultra-thin ultra-small ultra-low power consumption
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As a two-dimensional typical material, graphene is widely used and highly sought by scientists and industry. What exactly is a 2-dimensional material? Simple, two-dimensional material is a non-nanoscale (between 1 and 100 nm) material in which electrons are able to move freely in two directions (planar movement). Examples of such materials include: graphene; boron nitride; transition metal compounds (disulfide); Molybdenum; tungsten diulfide; tungsten diilicide; black phosphorus.
2D materials can be used in a variety of fields. Combining the introductions of both authors, we can list examples such as: spintronics; printed electronics; flexible electronics; microelectronics; memory processors hyperlenses terahertz supercapacitors solar cells security labels. , quantum dots, sensors, semiconductor manufacturing, NFC, medical, etc.
Molybdenum diulfide, also known as MoS2, is a typical 2-dimensional material that deserves our attention. Molybdenum diulfide, which is composed of two atoms of molybdenum with one atom of sulfur, has only three atoms of thickness. The graphene thickness is similar to molybdenum, but graphene has no band gap. In this respect, the author introduced the fact that the US Department of Energy Berkeley Lab's research team has accurately measured band gap of semiconductor two-dimensional materials molybdenum. disulfide.
In addition, the molybdenum diulfide has an electron mobility that is 100 cm2 /vs. (ie. 100 electrons per centimeter square per volt), although it's much lower than crystal. The silicon has an electron transfer of 1400 cm2/vs but has a higher migration rate than ultra-thin semiconductors and amorphous silica.
Molybdenum diulfide, with its excellent semiconductor characteristics and small size and ultra-thinness, is ideal for transistors, flexible electronic devices, LEDs, Lasers, and Solar Cells.
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