X-ray diffraction of molybdenum under shock compression to 450 GPa

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

doi:10.1103/PhysRevB.92.174114

X-ray diffraction of molybdenum under shock compression to 450 GPa

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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42 Scopus citations

Abstract

Molybdenum (Mo) is a body-centered-cubic (bcc) transition metal that has widespread technological applications. Although the bcc transition elements are used as test cases for understanding the behavior of metals under extreme conditions, the melting curves and phase transitions of these elements have been the subject of stark disagreements in recent years. Here we use x-ray diffraction to examine the phase stability and melting behavior of Mo under shock loading to 450 GPa. The bcc phase of Mo remains stable along the Hugoniot until 380 GPa. Our results do not support previous claims of a shallow melting curve for molybdenum.

Original language	English (US)
Article number	174114
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	92
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevB.92.174114
State	Published - Nov 20 2015

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.92.174114

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title = "X-ray diffraction of molybdenum under shock compression to 450 GPa",

abstract = "Molybdenum (Mo) is a body-centered-cubic (bcc) transition metal that has widespread technological applications. Although the bcc transition elements are used as test cases for understanding the behavior of metals under extreme conditions, the melting curves and phase transitions of these elements have been the subject of stark disagreements in recent years. Here we use x-ray diffraction to examine the phase stability and melting behavior of Mo under shock loading to 450 GPa. The bcc phase of Mo remains stable along the Hugoniot until 380 GPa. Our results do not support previous claims of a shallow melting curve for molybdenum.",

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

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year = "2015",

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doi = "10.1103/PhysRevB.92.174114",

language = "English (US)",

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T1 - X-ray diffraction of molybdenum under shock compression to 450 GPa

AU - Wang, Jue

AU - Coppari, Federica

AU - Smith, Raymond F.

AU - Eggert, Jon H.

AU - Lazicki, Amy E.

AU - Fratanduono, Dayne E.

AU - Rygg, J. Ryan

AU - Boehly, Thomas R.

AU - Collins, Gilbert W.

AU - Duffy, Thomas S.

PY - 2015/11/20

Y1 - 2015/11/20

N2 - Molybdenum (Mo) is a body-centered-cubic (bcc) transition metal that has widespread technological applications. Although the bcc transition elements are used as test cases for understanding the behavior of metals under extreme conditions, the melting curves and phase transitions of these elements have been the subject of stark disagreements in recent years. Here we use x-ray diffraction to examine the phase stability and melting behavior of Mo under shock loading to 450 GPa. The bcc phase of Mo remains stable along the Hugoniot until 380 GPa. Our results do not support previous claims of a shallow melting curve for molybdenum.

AB - Molybdenum (Mo) is a body-centered-cubic (bcc) transition metal that has widespread technological applications. Although the bcc transition elements are used as test cases for understanding the behavior of metals under extreme conditions, the melting curves and phase transitions of these elements have been the subject of stark disagreements in recent years. Here we use x-ray diffraction to examine the phase stability and melting behavior of Mo under shock loading to 450 GPa. The bcc phase of Mo remains stable along the Hugoniot until 380 GPa. Our results do not support previous claims of a shallow melting curve for molybdenum.

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ER -

X-ray diffraction of molybdenum under shock compression to 450 GPa

Abstract

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