Dynamic diamond anvil cell (dDAC): A novel device for studying the dynamic-pressure properties of materials | Zendy

W.J. Evans | Zendy; Choong-Shik Yoo | Zendy; Geun Woo Lee | Zendy; Hyunchae Cynn | Zendy; M. J. Lipp | Zendy; Ken Visbeck | Zendy

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Dynamic diamond anvil cell (dDAC): A novel device for studying the dynamic-pressure properties of materials

Author(s) -

W.J. Evans,

Choong-Shik Yoo,

Geun Woo Lee,

Hyunchae Cynn,

M. J. Lipp,

Ken Visbeck

Publication year - 2007

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.2751409

Subject(s) - diamond anvil cell , materials science , dynamic pressure , instrumentation (computer programming) , shock (circulatory) , dynamic range compression , explosive material , metastability , actuator , diamond , compression (physics) , dynamic loading , phase (matter) , pressure measurement , nuclear engineering , mechanical engineering , computer science , mechanics , high pressure , composite material , physics , medicine , chemistry , organic chemistry , quantum mechanics , artificial intelligence , engineering , operating system

We have developed a unique device, a dynamic diamond anvil cell (dDAC), which repetitively applies a time-dependent load/pressure profile to a sample. This capability allows studies of the kinetics of phase transitions and metastable phases at compression (strain) rates of up to 500 GPa/s (approximately 0.16 s(-1) for a metal). Our approach adapts electromechanical piezoelectric actuators to a conventional diamond anvil cell design, which enables precise specification and control of a time-dependent applied load/pressure. Existing DAC instrumentation and experimental techniques are easily adapted to the dDAC to measure the properties of a sample under the varying load/pressure conditions. This capability addresses the sparsely studied regime of dynamic phenomena between static research (diamond anvil cells and large volume presses) and dynamic shock-driven experiments (gas guns, explosive, and laser shock). We present an overview of a variety of experimental measurements that can be made with this device.

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