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hafnium

hafnium

1 9.6
A silver-gray metal used in thin wires and to control reactions in nuclear reactors
  • noun
  • /ˈhæf.ni.əm/
  • Specialized
translation icon : hafnio
  • Hence, when a planet differentiates into an iron-rich core and an iron-poor crust and mantle, hafnium tends to end up in rocks outside the core.

Examples

  • In contrast to tungsten, hafnium does not interact readily with iron-rich material, but it does combine readily with the elements in rocks lacking iron.

    Academic text (2003)
  • Armin Reller, a materials scientist at Germany's University of Augsburg who has studied mineral reserves, estimated in 2007 that we are on track to run out of hafnium by 2017.

    Academic text (2010)
  • The reactive elements yttrium and hafnium are also added.

    Academic text (1999)
  • Only hafnium will do.

    Academic text (2010)
  • Consider, for example, hafnium.

    Academic text (2010)
  • For instance, the tungsten-hafnium system helped researchers settle the time scale for when the core formed - no later than 30 million years after the birth of the solar system.

    Academic text (2005)
  • I think right now the most popular are hafnium oxides and hafnium silicates HFSION.

  • Tungsten-182, a rare isotope, arises from the radioactive decay of hafnium-182.

    Academic text (2003)
  • Starting with 45nm, Intel made the switch to exotic hafnium-based high-k dielectrics with complex sandwiches of interface films.

    Blog text (31)
  • The new hafnium-fueled reactor emits so little radiation that it could be easily integrated into civilian airport operations.

Synonyms

Hf
vshafnium
  • Specialized
8.4

The chemical symbol for the metal hafnium used in alloys and reactor rods

is the full name used in general and technical descriptions
atomic number 72
vshafnium
  • Specialized
8.4

A grey metal called hafnium used in hot parts and X-ray tubes

is the common chemical name used in descriptions and applications

Surface Forms

hafnium singular
hafniums plural

Etymology

Hafnium comes from the Latin city name Hafnia, which means 'Copenhagen'. So the metal's name tells you the city where scientists first found this element.