X-ray diffraction of molybdenum under ramp compression to 1 TPa

Jue Wang, Federica Coppari, Raymond F. Smith, Jon H. Eggert, Amy E. Lazicki, Dayne E. Fratanduono, J. Ryan Rygg, Thomas R. Boehly, Gilbert W. Collins, Thomas S. Duffy

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Abstract

Molybdenum (Mo) is a transition metal with a wide range of technical applications. There has long been strong interest in its high-pressure behavior, and it is often used as standard for high-pressure experiments. Combining powder x-ray diffraction and dynamic ramp compression, structural and equation of state data were collected for solid Mo to 1 TPa (10 Mbar). Diffraction results are consistent with Mo remaining in the body-centered-cubic structure into the TPa regime. Stress-density data show that Mo under ramp loading is less compressible than the room-temperature isotherm but more compressible than the single-shock Hugoniot.

Original languageEnglish (US)
Article number104102
JournalPhysical Review B
Volume94
Issue number10
DOIs
StatePublished - Sep 1 2016

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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    Wang, J., Coppari, F., Smith, R. F., Eggert, J. H., Lazicki, A. E., Fratanduono, D. E., Rygg, J. R., Boehly, T. R., Collins, G. W., & Duffy, T. S. (2016). X-ray diffraction of molybdenum under ramp compression to 1 TPa. Physical Review B, 94(10), [104102]. https://doi.org/10.1103/PhysRevB.94.104102