Molybdenum disulfide nanoelectromechanical system ultra-thin ultra-small ultra-low power consumption
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Graphene, a two-dimensional typical material, is widely used and highly sought by scientists and the industry. What exactly is a 2-dimensional material? Simple, two-dimensional material is a non-nanoscale material (1-100nm) where electrons are able to move freely in two directions (planar movement). Examples of this include: graphene and other transition metal compounds, Molybdenum disulfide or disilicide, tungsten, black phosphorus etc.
2D materials can be used in a variety of fields. As a result of combining the author's previous introductions, we can list: 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 nearly the same as molybdenum, but graphene has no band gap. The author of this book once revealed that the Berkeley Lab of the US Department of Energy had measured with accuracy the band gap of molybdenum sulfide, a semiconductor two-dimensional substance.
In addition, the molybdenum diulfide has an electron mobility that is 100 cm2 /vs. (i.e. 100 electrons per centimeter square per volt), although it's much lower than crystal. The silicon has a 1400 cm2/vs electron transfer rate, but has a higher migration rate than other ultra-thin semiconductors and amorphous silica.
Molybdenum diulfide, with its excellent semiconductor properties, small size, ultra thin, and softness, is especially suitable for transistors, flexible electronic, LEDs lasers, solar cells.
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