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Artist's conception of neutron stars colliding, by Robin Dienel, courtesy of Carnegie Institution for Science
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Tiange Bi outside research building

 

Tiange Bi uses her interdisciplinary set of skills and computational expertise to predict the synthesis of new materials. Her research is primarily focused on crystal structure prediction of new clathrate structures and theoretical studies of the transport properties of iron alloys in the Earth and planetary cores. 

Spotlight

Tiange Bi predicts new materials under pressure

Illustration of new eight-coordinated, intrinsically discorded mineral courtesy of Rajkrishna Dutta.

Working with magnesium germanate, Mg2GeO4, analogous to one of the mantle’s most abundant silicate minerals, the team was able to glean information about the potential mineralogy of super-Earths and other large, rocky exoplanets. Under about 2 million times normal atmospheric pressure a new phase emerged with a distinct crystalline structure that involves one germanium bonded with eight oxygens. The new eight-coordinated, intrinsically discorded mineral is expected to strongly affect the internal temperature and dynamics of these planets. Illustration is courtesy of Rajkrishna Dutta.

What’s Happening In The Depths Of Distant Worlds?