Pressure-induced phase transition in α-Pu

High purity α-Pu was studied by X-ray diffraction in a diamond anvil cell up to 62 GPa. A structural phase transition occurs around 40 GPa. The high pressure structure was indexed in a hexagonal lattice of space group P6 3/ m, a = 537.77 pm, c = 445.51 pm at 62 GPa, Z = 8. The bulk modulus B 0 of α-...

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Veröffentlicht in:Journal of alloys and compounds 1993-01, Vol.190 (2), p.237-242
Hauptverfasser: Dabos-Seignon, S., Dancausse, J.P., Gering, E., Heathman, S., Benedict, U.
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container_end_page 242
container_issue 2
container_start_page 237
container_title Journal of alloys and compounds
container_volume 190
creator Dabos-Seignon, S.
Dancausse, J.P.
Gering, E.
Heathman, S.
Benedict, U.
description High purity α-Pu was studied by X-ray diffraction in a diamond anvil cell up to 62 GPa. A structural phase transition occurs around 40 GPa. The high pressure structure was indexed in a hexagonal lattice of space group P6 3/ m, a = 537.77 pm, c = 445.51 pm at 62 GPa, Z = 8. The bulk modulus B 0 of α-Pu was determined as 43(2) GPa, with a pressure derivative B 0 ′ = 15(2).
doi_str_mv 10.1016/0925-8388(93)90404-B
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subjects Applied sciences
Condensed matter: structure, mechanical and thermal properties
Crystalline state (including molecular motions in solids)
Crystallographic aspects of phase transformations
pressure effects
Exact sciences and technology
Metals. Metallurgy
Physics
Structure of solids and liquids
crystallography
title Pressure-induced phase transition in α-Pu
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