A unique multianvil 6-6 assembly for a cubic-type multianvil apparatus

Area of Science:

• High-pressure experimental physics
• Materials science under extreme conditions

Background:

• Cubic multianvil apparatus are crucial for high-pressure research.
• Traditional anvil assembly is time-consuming and can affect precision.

Purpose of the Study:

• To develop a faster and more accurate method for assembling second-stage anvils.
• To improve the efficiency of high-pressure experiments using cubic multianvil apparatus.

Main Methods:

• A novel plastic frame and assembly tool were designed.
• The new method was tested in a 6-6 mode cubic multianvil apparatus.
• In situ synchrotron X-ray diffraction was used to validate performance.

Main Results:

• The new method assembles anvils in minutes, significantly faster than conventional techniques.
• Achieved superior anvil alignment precision compared to the standard metal frame method.
• Demonstrated stable experimental operation at 1500 K and approximately 10 GPa.

Conclusions:

• The proposed plastic frame and tool offer a quick and precise solution for anvil assembly.
• This advancement minimizes beam time loss in synchrotron facilities.
• Facilitates more efficient high-pressure, high-temperature research.