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Tantalum nitride information


Tantalum nitride
Names
Other names
Tantalum mononitride
Identifiers
CAS Number
  • 12033-62-4 checkY
3D model (JSmol)
  • Interactive image
ECHA InfoCard 100.031.613 Edit this at Wikidata
EC Number
  • 234-788-4
PubChem CID
  • 82832
CompTox Dashboard (EPA)
  • DTXSID6065183 Edit this at Wikidata
InChI
  • InChI=1S/N.Ta
SMILES
  • N#[Ta]
Properties
Chemical formula
TaN
Molar mass 194.955 g/mol
Appearance black crystals
Density 14.3 g/cm3
Melting point 3,090 °C (5,590 °F; 3,360 K)
Solubility in water
insoluble
Structure
Crystal structure
Hexagonal, hP6
Space group
P-62m, No. 189
Hazards
Flash point Non-flammable
Related compounds
Other cations
Vanadium nitride
Niobium nitride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Tantalum nitride (TaN) is a chemical compound, a nitride of tantalum. There are multiple phases of compounds, stoichimetrically from Ta2N to Ta3N5, including TaN.

As a thin film TaN find use as a diffusion barrier and insulating layer between copper interconnects in the back end of line of computer chips. Tantalum nitrides are also used in thin film resistors.

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Tantalum nitride

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Tantalum nitride (TaN) is a chemical compound, a nitride of tantalum. There are multiple phases of compounds, stoichimetrically from Ta2N to Ta3N5, including...

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Tantalum

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other refractory metals, the hardest known compounds of tantalum are nitrides and carbides. Tantalum carbide, TaC, like the more commonly used tungsten carbide...

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Nitride

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nitrides with high melting point. Thin films of titanium nitride, zirconium nitride, and tantalum nitride protect many industrial surfaces. Nitrides of...

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Semiconductor device fabrication

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of depositing the high-k dielectric and then the gate metal such as Tantalum nitride whose workfunction depends on whether the transistor is NMOS or PMOS...

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Diffusion barrier

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metals include cobalt, ruthenium, tantalum, tantalum nitride, indium oxide, tungsten nitride, and titanium nitride (the last four being conductive ceramics...

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Tantalum carbide

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Tantalum carbides (TaC) form a family of binary chemical compounds of tantalum and carbon with the empirical formula TaCx, where x usually varies between...

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Hardmask

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hardmasks are used. The most common metal for hardmasks is titanium nitride, but tantalum nitride has also been used. Shi et al., p. 87 Shi et al., p. 87 Shi...

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Resistor

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varies, consisting of one or more ceramic (cermet) conductors such as tantalum nitride (TaN), ruthenium oxide (RuO 2), lead oxide (PbO), bismuth ruthenate...

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MOSFET

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is desired. A variety of metal gates such as tantalum, tungsten, tantalum nitride, and titanium nitride are used, usually in conjunction with high-κ dielectrics...

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Niobium nitride

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Niobium nitride is a compound of niobium and nitrogen (nitride) with the chemical formula NbN. At low temperatures (about 16 K) NbN becomes a superconductor...

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Niobium

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element similar to tantalum in 1801 and named it columbium. In 1809, English chemist William Hyde Wollaston wrongly concluded that tantalum and columbium were...

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Hot cathode

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can be e.g. tantalum diboride, titanium diboride, zirconium diboride, niobium diboride, tantalum carbide, zirconium carbide, tantalum nitride, and zirconium...

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Knudsen cell

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crucible (made of pyrolytic boron nitride, quartz, tungsten or graphite), heating filaments (often made of metal tantalum), water cooling system, heat shields...

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Cubic crystal system

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Wayback Machine Wang, L.D.; Kwok, H.S. (2000). "Cubic aluminum nitride and gallium nitride thin films prepared by pulsed laser deposition". Applied Surface...

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Chemical vapor deposition

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carbide, nitride, oxynitride), carbon (fiber, nanofibers, nanotubes, diamond and graphene), fluorocarbons, filaments, tungsten, titanium nitride and various...

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List of resistors

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varies, consisting of one or more ceramic (cermet) conductors such as tantalum nitride (TaN), ruthenium oxide (RuO 2), lead oxide (PbO), bismuth ruthenate...

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Zirconium nitride

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Zirconium nitride (ZrN) is an inorganic compound used in a variety of ways due to its properties. ZrN grown by physical vapor deposition (PVD) is a light...

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Niobium capacitor

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of niobium relative to tantalum. Niobium is a sister metal to tantalum. Niobium has a similar melting point (2744 °C) to tantalum and exhibits similar chemical...

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Boron

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sodium borate, and the ultra-hard crystals of boron carbide and boron nitride. Boron is synthesized entirely by cosmic ray spallation and supernovae...

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List of refractive indices

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11 July 2014. Polyanskiy, Mikhail (2018). "Optical constants of Ta2O5 (Tantalum pentoxide)". Refractive Index Database. Serway, Raymond A.; Faughn, Jerry...

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Hafnium carbide

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an even higher melting point of 3,958 °C exceeding those of tantalum carbide and tantalum hafnium carbide which were both previously estimated to be higher...

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Superhard material

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compounds. The intrinsic group includes diamond, cubic boron nitride (c-BN), carbon nitrides, and ternary compounds such as B-N-C, which possess an innate...

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List of inorganic compounds

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bromide – AlBr3 Aluminium carbide – Al4C3 Aluminium iodide – AlI3 Aluminium nitride – AlN Aluminium oxide – Al2O3 Aluminium phosphide – AlP Aluminium chloride...

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Incandescent light bulb

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tantalum lamp filament that was more efficient than even graphitized carbon filaments since they could operate at higher temperature. Since tantalum metal...

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Nitrogen

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(S4N4). The essentially covalent silicon nitride (Si3N4) and germanium nitride (Ge3N4) are also known: silicon nitride, in particular, would make a promising...

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