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Diacell® SymmDAC 60

Optical and X-ray Spectroscopy, Pmax = 100 GPa, T = 300 K, WD = 17 mm, A = 60°
  • The high pressure in the Diacell® SymmDAC 60 is achieved by the means of two pairs of left-hand/right-hand bolts, for pressures up to 100 GPa
  • The Diacell® SymmDAC 60 enables either side to be used for collection or for introduction of electromagnetic beams (x-rays, laser, visible or infrared light)
  • The complex gasket-loading process is facilitated by an easy access to the piston side anvil and its associated gasket holder
  • The Diacell® SymmDAC 60 may also be manufactured in BeCu, to be compatible with magnetic field environments
  • A 27 mm height  alternative is available. The SymmDAC 100 is fitted with 4.00 mm - 80° Boehler- Almax diamond anvils design and provides 100° aperture on both side

SKU: A18000

For more info, quotation or call: Contact us


Diacell® SymmDAC 60 is a piston cylinder compact and symmetrical diamond anvil cell suitable for optical or X-ray measurements. Diacell® SymmDAC 60 enables either side to be used for both excitation (optical or X-ray) or collection of emitted light or diffraction patterns.
The pressure mechanism is the screw driven one. The pressure is applied by mean of 4 screws, two left-handed and two right-handed screws working in conjunction with superposed Belleville springs. This combination will help the user to apply the load in a more controlled manner.

The Diacell® SymmDAC 60 is fitted as standard with 2.50 mm Diacell® design diamond anvils that are fitted in anvil rings. But this DAC can also be used with Standard design diamond anvils that can be glued directly on the support plates.

The Diacell® SymmDAC 60 can also be adapted with lateral slots on the piston and cylinder. These are made so that the user could accommodate wires for electrical wires used to do transport measurements.

A low temperature and a non-magnetic version of the SymmDAC 60 is also available. The main difference with the standard version is the DAC body material (BeCu) and the support seats for the diamond anvils that are from tungsten carbide with 6% Ni. These later one will have a lower magnetic background than the regular WC support seats.


Cell Material Maraging steel
Anvil Support Plate Tungsten Carbide
Pressure Mechanism Screw Drive
Maximum Pressure 100 GPa
Temperature Range 300 K
Top Angle Conical 60º
Bottom Angle Conical 60º
Lateral Access N/A
Heating N/A
Cooling N/A
DAC Diameter 48 mm
DAC Height 34 mm
Working Distance to Sample 17 mm
Numerical Aperture 0.50
Interfacing Solution TBC
DAC Weight 390 g
Maximum pressure is dependent upon the culet size of the anvils. Almax easyLab is committed to its policy of continuous improvement. Specifications may change without notice. easyLab and Diacell are registered trademarks of Almax easyLab.


We have compiled a series of technical documents (brochures, articles, technical drawings, …) which you might find useful to help you understand this product better.

Technical documentation

Brochure SymmDAC 60

Technical Drawing

Please contact us for further details on the engineering drawings.


2024 – Antoniazzi, I. et al – Pressure-induced optical anisotropy of HfS2

2019 – Kurzydłowski, D. et al. – High-pressure phase transitions of zinc difluoride up to 55 GPa



Spares, Accessories and Options

Our diamond anvil cells are aligned and mechanically tested before leaving our factory on their way to your laboratory.

They also come supplied with the required basic tooling, including gasket blanks, to use them. All is contained in the transportation casing to move around laboratories easily.

Below you can find some of the accessories and spares you might also consider. If you cannot find what you need, please do not hesitate to contact our team.

Diamond Anvils
2.5 mm Diacell® design diamond anvils, fitted in stainless steel rings for easy fitting in the SymmDAC 60
Product code: [P00131], [M50004]
Anvil Support Plate
Tungsten carbide seat with 60° opening angle
Product code: [P00980]
Anvil Support Plate
Tungsten carbide with 6% Ni seat, 60° opening angle, non-magnetic
Product code: [P02287]
Belleville Washers
Conical spring washer used with the clamping screws
Product code: [P00269]
Gasket Blanks
Stainless steel gasket blanks, 5 mm diameter, 0.25mm thick
Product code: [P00110]
Set of Spare Screws
Includes tilt and lateral alignment screws, clamping screws
Product code: [To be confirmed]
Clamp Kit for Cryoloader
Kit for cryogenic gas loading using the Diacell® Cryoloader
Product code: [A30400]
GM Compression Kit
Stainless steel enclosure to hold a gas membrane used for pressure increase
Product code: [A18010]


What is the maximum pressure I can achieve with the SymmDAC 60 and a given culet size?

Culet size (µm) 200 300 400 500 600 800 1000
Pmax (GPa) (*) N/A 64 41 27 18 10 7

(*) The Pmax values are only indicative. The maximum pressure achievable with a DAC is influenced by many others experimental parameters, like the gasket characteristics (material, thickness and hole size) or the pressure transmitting medium.


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