Washington, DC, 28 March 2012- A Carnegie scientists' observations have led the way to stabilizing tungsten hydrides under high pressure.

While observing a diamond anvil experiment at the Geophysical Laboratory scientist Timothy A. Strobel realized that the tungsten gaskets were interacting with the surrounding hydrogen within the diamond anvil cell and producing tungsten hydride.  A theory group between Carnegie, Geophysical Laboratory and Cornell formed to find out if tungsten hydride variations can be stabilized under pressure and what their structure would be.

Four tungsten-hydrogen compositions were studied, WH, WH2, WH4 and WH6.  Each hydride seemingly stable at their own pressure range.

The experimental process of producing a stable tungsten hydride revealed that the hydrides produced are not stable but showed the possibility of stabilization at higher pressure than studied. This observation and experimentation has propelled the discovery of stable tungsten hydrides.

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