Iron phases at high pressures and temperatures: Phase transition and melting

American Mineralogist

Volumn 85, Issue 2, 2000, Pages 372-375

  Saxena, S K ^a,b   Dubrovinsky, L S ^a  

^a UPPSALA UNIVERSITY   (Sweden)

^b FLORIDA INTERNATIONAL UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

IRON; PHASE DIAGRAMS; THERMAL EXPANSION;

BETA-PHASE; ENTROPY AND ENTHALPIES; FACE-CENTERED CUBIC; HIGH PRESSURE; PRESSURE MEDIUM; SITU X-RAYS; TRIPLE POINTS; X RAY DATA;

X RAYS;

HIGH PRESSURE; HIGH TEMPERATURE; IRON; MELTING; PHASE TRANSITION;

EID: 0034088721     PISSN: 0003004X     EISSN: None     Source Type: Journal    
DOI: 10.2138/am-2000-2-316     Document Type: Article

References (31)

1. Ahrens, T.J., Holland, K.G., and Chen, G.Q. (1997) Shock temperatures and the melting point of iron. In S.C. Schmidt, D.P. Dandekar, and J.W. Forbes, Eds., CP429. Shock Compression of Condensed Matter, p. 133-136. The American Institute of Physics, College Park, Maryland.
2. Andrault, D., Fiquet, G., Kunz, M., Visocekas, F., and Hausermann, D. (1998) The orthorhombic structure of Iron: An in-situ high-T/high-P structure solution and refinement. Science, 278, 831-834.
3. Anderson, O.L. and Duba, A. (1997) Experimental melting of Iron revisited. Journal of Geophysical Research, 102, 22659-22669.
4. Anderson, O.L. and Isaak, D.G. (1999) Simulated melting curves for phases of Iron. American Mineralogust (this volume).
5. Bass, J.D., Ahrens, T.J., Abelson, J.R., and Hua, T. (1990) Shock temperature measurements: New results for an Iron alloy. Journal of Geophysical Research, 95, 21757-21777.
6. Boehler, R. (1986) The phase diagram of Iron to 430 kbar, Geophysical Research Letters, 13, 1153-1156.
7. Boehler, R. (1993) Temperatures in the Earth's core from melting-point measurements of Iron at high static pressures. Nature, 363, 534-536.
8. Boehler, R., Nicol, M., and Johnson, M.L. (1987) Internally-heated diamond-anvil cell: Phase diagram and P-V-T of Iron in High-Pressure Research in Mineral Physics. In M.H. Manghnani and Y. Syono, Eds., Geophysical Monograph Series, vol. 39, p. 173-176. Terra publications, Tokyo/American Geophysical Union, Washington D.C.
9. Boehler, R., von Bargen, N., and Chopelas, A. (1990) Melting, thermal expansion, and phase transition of Iron at high pressures. Journal of Geophysical Research, 95, 21731-21736.
10. Brown, J.M. and McQueen, R.G. (1986) Phase transitions, Grüneisen parameters and elasticity for shocked Iron between 77 GPa. Journal of Geophysical Research, 91, 7485-7494.
11. Chen, G.Q and Ahrens, T.J. (1995) Equations of state of a, e and liquid iron and iron's melting curve - thermodynamic calculations. Geophysical Research Letters, 22, 21-24.
12. _(1996) High-pressure melting of Iron: new experiments and calculations. Philosophical Transaction Royal Society London A, 354, 1251-1263.
13. Dubrovinsky, L.S., Saxena, S.K., and Lazor, P. (1997) Xray study of Iron with in situ heating at ultra high pressures. Geophysical Research Letters, 24, 1835-1838.
14. _(1998a) High-pressure and high temperature in situ x-ray diffraction study of Iron and corundum to 68 GPa using internally heated diamond-anvil cell. Physics and Chemistry of Minerals, 25, 434-441.
15. _(1998b) Stability of β-Iron: A new synchrotron x-ray study of heated Iron at high pressures. European Journal of Mineralogy, 10, 43-47.
16. Dubrovinsky, L.S., Saxena, S.K., Tutti, F., Rekhi, S., and le Behan, T. (1999) In situ x-ray study of thermal expansion of Iron at multimegabar pressure. Physics Review Letters, in press.
17. Fernández Guillermot, A. and Gustafson, P. (1985) An assessment of the thermodynamic properties and the (P,T) phase diagram of iron. High Temperature-High Pressure, 16, 591.
18. Funamori, N., Yagi, T. and Uchida, T. (1997) High-pressure and high-temperature in situ x-ray diffraction study of Iron to above 30 GPa using MA8-type apparatus. Geophysical Research Letters, 23, 953-956.
19. Gallagher, K.G. and Ahrens, T.J. (1994) First measurements of thermal conductivity of griceite and corundrum at ultra high pressures and the melting point of iron (abstract). EOS Transactions American Geophysical Union 15 (Supplement), 653.
20. Larson, A.C. and Von Dreele, R.B. (1994) GSAS, General Structural Analysis System. Los Alamos National Laboratory, LAUR, 86-748.
21. Mao, H.K., Bell, P.M., and Hadidiacos, C. (1987) Experimental phase relations of Iron to 360 kbar, 1400°C, determined in an internally heated diamond anvil apparatus. In M.H. Manghnani and Y. Syono, High-Pressure Research in Mineral Physics, Geophysical Monograph Series vol. 39, p. 135-145. Terra publications, Tokyo/American Geophysical Union, Washington D.C.
22. Nasch, Ph.M. and Manghanani, M.H. (1994) A modified ultrasonic interironrometer for sound velocity measurements in molten metals and alloys. Review Science Instruments, 65, 682-688.
23. Nguyen, J.H. and Holmes, N.C. (1998) Iron sound celocities in shock-wave experiments up to 400 GPa. EOS, Transactions American Geophysical Union Fall meeting, 79, F846.
24. Saxena, S.K., Shen, G., Lazor, P. (1993) Experimental evidence for a new Iron phase and implications for Earth's core. Science, 260, 1312-1314.
25. _(1994) Temperatures in Earth's core based on melting and phase transformation experiments on iron. Science, 264, 405-407.
26. Saxena, S.K., Dubrovinsky, L.S., Häggqvist, P., Cerenius, Y., Shen, G., and Mao, H.K. (1995) Synchrotron X-ray study of Iron at high pressure and temperature. Science, 269, 1703-1704.
27. Saxena, S.K., Dubrovinsky, L.S., and Häggkvist, P. (1996) X-ray evidence for the new phase β-Iron at high temperature and high pressure. Geophysical Research Letters, 23, 2441-2444.
28. Shen, G., Mao, H.K., and Henley, R.J. (1998) Melting and crystal structure of iron at high pressures and termeratures. Geophysical Research Letters, 25, 373-376.
29. Vočadlo, L. Brodhult, J., Alfe, D., Price, G.D., and Gillan, M. J. (1999) The structure of iron under the conditions of the Earth's inner core. Geophysical Reseach Letters, 26, 1231-1234.
30. Yoo, C.S., Holmes, N.C., and Ross, M. (1993) Shock temperatures and melting of Iron at earth core conditions. Physical Review Letters, 70, 3931-3934.
31. Yoo, C.S., Akella, J., Campbell, A.J., Mao, H.K., and Hemley, R.J. (1995) Phase diagram of Iron by in situ X-ray diffraction: Implications for Earth's core, Science, 270, 1473-1475.