Tungsten(III) oxide
Encyclopedia
Tungsten oxide (W2O3) is a compound of tungsten
Tungsten
Tungsten , also known as wolfram , is a chemical element with the chemical symbol W and atomic number 74.A hard, rare metal under standard conditions when uncombined, tungsten is found naturally on Earth only in chemical compounds. It was identified as a new element in 1781, and first isolated as...

 and oxygen
Oxygen
Oxygen is the element with atomic number 8 and represented by the symbol O. Its name derives from the Greek roots ὀξύς and -γενής , because at the time of naming, it was mistakenly thought that all acids required oxygen in their composition...

. It has been reported (2006) as being grown as a thin film by atomic layer deposition at temperatures between 140-240 °C using W2(N(CH3)2)6 as a precursor. It is not referred to in major text books e.g.
Some older literature refers to the compound W2O3 but as the atomic weight of tungsten was believed at the time to be 92, i.e. approximately half the modern accepted value of 183.84 the compound actually being referred to was WO3.
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