hafnium


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Related to hafnium: Hafnium carbide

hafnium

 (Hf) [haf´ne-um]
a chemical element, atomic number 72, atomic weight 178.49. (See Appendix 6.)

haf·ni·um (Hf),

(haf'nē-ŭm),
A rare chemical element, atomic no. 72, atomic wt. 178.49.
[L. Hafnia, Copenhagen]

hafnium

/haf·ni·um/ (Hf) (haf´ne-um) chemical element, at. no. 72.

hafnium (Hf)

[haf′nē·əm]
Etymology: Hafnia, Medieval Latin name of Copenhagen, Denmark
a hard, brittle silver-gray metallic element of the third transition series. Its atomic number is 72; its atomic mass is 178.49. Elements in this group show some nonmetallic chemical characteristics.

haf·ni·um

(Hf) (haf'nē-ŭm)
A rare chemical element, atomic no. 72, atomic wt. 178.49.
[L. Hafnia, Copenhagen]

hafnium

a chemical element, atomic number 72, atomic weight 178.49, symbol Hf. See Table 6.
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References in periodicals archive ?
Zhao; Nano-hardness, wear resistance and pseudoelasticity of hafnium implanted NiTi shape memory alloy; J.
Among various metal compositions having the materials requirements as k, (leakage current, crystallization temperature, charge trapping) and the integration requirements (thermal stability on interface, dry etching feasibility), Hafnium based oxides is one of the most promising candidates (Stephane, 2008).
The phase constituting hafnium carbide coatings was determined by X-ray diffraction (XRD) on the Dmax-2550/PC diffractor with Cu-[K.
The hafnium dioxide thickness distribution, on the other hand, was affected by the deposition rate and an interaction between the sweep speed and the pattern's speed of azimuthal rotation.
The new studies imply that the moon forming collision occurred after all of the hafnium had decayed completely into tungsten.
The report represents a thorough study of Zirconium and Hafnium, covering both global and regional markets.
Only one in many billions of hafnium atoms is believed to be of the sought-after kind.
Hafnium telluride, zirconium telluride, and other pentatellurides are candidates for low-temperature operation, he says.
Under megabar pressures, samples of zirconium and hafnium -- so-called rare earth or transition mettal elements -- show substantial changes in shape and chemical character.
LONDON -- Zirconium and hafnium production industry is forecast to increase by 4-4.
LONDON -- In 2010 the demand for Zirconium and Hafnium market is forecast to keep growing.
Our family of nuclear-grade zirconium and hafnium alloys meets the corrosion resistance, strength and material property requirements of this mission-critical operating environment.