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Phys. Rev. Lett. 88, 235502 (2002) [4 pages]

Equation of State Data for Iron at Pressures beyond 10 Mbar

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D. Batani1, A. Morelli1, M. Tomasini1, A. Benuzzi-Mounaix2, F. Philippe2, M. Koenig2, B. Marchet3, I. Masclet3, M. Rabec3, Ch. Reverdin3, R. Cauble4, P. Celliers4, G. Collins4, L. Da Silva4, T. Hall5, M. Moret6, B. Sacchi7, P. Baclet8, and B. Cathala9
1Dipartimento di Fisica “G. Occhialini,” Università di Milano–Bicocca and INFM, Piazza della Scienza 3, 20126 Milano, Italy
2Laboratoire pour l'Utilisation des Lasers Intenses (LULI), UMR n. 7605 CNRS-CEA-X-Paris VI, Ecole Polytechnique, 91128 Palaiseau, France
3Commissariat à l'Energie Atomique, CEA/DIF, B.P. 12, 91680 Bruyères-le-Châtel, France
4Lawrence Livermore National Laboratory (LLNL), Livermore, California
5University of Essex, Wivenhoe Park, Colchester, Essex CO4 3SQ, United Kingdom
6Dipartimento di Scienza dei Materiali, Università di Milano–Bicocca, Via Cozzi, 20126 Milano, Italy
7Dipartimento di Chimica Fisica ed Elettrochimica, Università di Milano, Via Golgi 19, 20133 Milano, Italy
8Commissariat à l'Energie Atomique, CEA/CVa, Valduc, 21120 Is-sur-Tisle, France
9Commissariat à l'Energie Atomique, CEA/CESTA (Bordeaux), B.P. 2, 33114 Le Barp, France

Received 9 November 2001; published 22 May 2002

We present equation of state points for iron, in the pressure range 10–45 Mbar, the first obtained with laser-driven shock waves. The experiment has been performed with the high energy laser Phebus, optically smoothed with Kinoform phase plates. Our results double the set of existing experimental data at very high pressures showing good agreement with the predictions of the quotidian equation of state model and with previous results.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.88.235502
DOI:
10.1103/PhysRevLett.88.235502
PACS:
62.50.+p, 52.38.-r
 
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