hafnium
- noun
- /ˈhæf.ni.əm/
- Specialized
- 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
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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.
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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
The chemical symbol for the metal hafnium used in alloys and reactor rods
A grey metal called hafnium used in hot parts and X-ray tubes
Surface Forms
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.