Detection of melting by in-situ observation of spherical-drop formation in laser-heated diamond-anvil cells

  • Thomas Pippinger Universität Heidelberg
  • Leonid Dubrovinsky Universität Bayreuth
  • Kostantin Glazyrin Universität Bayreuth
  • Ronald Miletich Universität Heidelberg
  • Natalia Dubrovinskaia Universität Bayreuth
DOI: https://doi.org/10.5209/rev_FITE.2011.v23.36905
Keywords: laser-heating, melting curves, gold, iron, hematite, diamond-anvil cell.

Abstract

A simple method for detection of melting event in laser-heated diamond anvil cells (DACs) is introduced. The melting is registered optically by the formation of spherical drops of the investigated material as heated in an inert pressure transmitting medium. Feasibility of the method is demonstrated on the examples of metal (iron and gold) and iron oxide (Fe2O3), materials molten at pressures over 40 GPa employing a portable laser heating system.

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Author Biographies

Thomas Pippinger, Universität Heidelberg

FG Mineralphysik, Institut für Geowissenschaften

Leonid Dubrovinsky, Universität Bayreuth

Bayerisches Geoinstitut

Kostantin Glazyrin, Universität Bayreuth

Bayerisches Geoinstitut

Ronald Miletich, Universität Heidelberg
FG Mineralphysik, Institut für Geowissenschaften
Natalia Dubrovinskaia, Universität Bayreuth

Lehrstuhl für Kristallographie, Physikalisches Institut

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How to Cite
Pippinger T., Dubrovinsky L., Glazyrin K., Miletich R. y Dubrovinskaia N. (2012). Detection of melting by in-situ observation of spherical-drop formation in laser-heated diamond-anvil cells. Física de la Tierra, 23, 29-41. https://doi.org/10.5209/rev_FITE.2011.v23.36905
Issue
Vol. 23 (2011)
Section
Articles

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