Ultrasonics Group Research Projects
The research of the ultrasonics group is primarily supported by funds from NSF and DoE/NNSA.
- Development of experimental techniques for high pressure studies
using large volume high pressure apparatus (MA-6, MA-8)
- Development of ultrasonic techniques and novel data analyses for
the study of solid and liquid at high pressure
- Study of mantle and core minerals/phases using ultrasonic
interferometry, X-ray diffraction, and X-ray imaging techniques
Some specific research themes include:
- Linear/non-linear elasticity of materials
- Acoustic velocities at high P and T
- Physical properties at extreme conditions
- Phase transformations and structural variations
- Material stiffening/softening across phase transformations
- Thermoelastic properties/Equation of state for solids and liquids
- Investigating possible changes in electronic configuration
- Constraints on mantle and core compositions of the Earth and other
planets
- Seismic signatures of mantle heterogeneities of thermal and
compositional origins
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