An externally heated high-temperature diamond anvil cell

New Developments On Laser Heated Diamond Anvil Cell

New developments on laser heated diamond anvil cell are reported by introducing a system installed at the Advanced Photon Source (APS). With the system, a laser heating spot of 20 40 μm in diameter can be generated to temperatures over 3000 K for samples in diamond anvil cell; and the temperature gradients in the laser heated volume are less than 100 K. The system is based on the double sided l...

In situ high pressure-temperature Raman spectroscopy technique with laser-heated diamond anvil cells

We describe an in situ high pressure-temperature Raman technique for studying materials in laser-heated diamond anvil cells using a Nd:YLF laser s1053 nmd as the heating source and an ion laser as the Raman exciting source. Here we introduce the method of laser heating transparent samples using a metallic foil (Pt,Re, or W) as the laser absorber (internal heating furnace) in a diamond cell. The...

Strategy and Enhanced Temperature Determination in a Laser Heated Diamond Anvil Cell

The Plagioclase-maskelynite Transition in an External Heated Diamond Anvil Cell

Introduction: In heavily shocked stony meteorites, plagio-clase in the host rock has transformed into glass (maskelynite) in a solid-state reaction. So far, the formation pressure of maske-lynite has been estimated only based on dynamic high-pressure experiments [1]. However, duration of pressure in laboratory shock experiments is significantly smaller (10-6 sec) than that in meteorite parent b...

Ruby pressure scale in a low-temperature diamond anvil cell

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