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Diacell® Bragg-Mini

X-ray Spectroscopy, Pmax = 50 GPa, T = 300 K, WD = 7.5 mm, A = 85°
  • The Diacell® Bragg-Mini is a Merrill-Basset type of cell but engineered in order to accommodate Boehler-Almax anvils
  • This cell is particularly well suited for X-ray experiments as it enables diffraction measurements with high transmission factor and very low background
  • The Diacell® Bragg-Mini can easily be mounted onto a goniometer head as it comes supplied with a mounting plate
  • Maximum pressure of up to above 20 GPa are achievable with the Diacell® Bragg Mini
  • A variant offering a working distance of 5.50 mm on the underside of the cell is available, the short WD Bragg-Mini.

SKU: A16000

For more info, quotation or call: Contact us


The Diacell® Bragg Mini is a simple to use diamond anvil cell based on the classical design of a Merrill Bassett-style diamond anvil cell. However, it was engineered to accommodate the Boehler-Almax conical anvil design, enabling larger axial aperture up to 85 degrees.

Unlike most of the other Diacell® DACs, there is no provision for tilt adjustment of the upper anvil relative to the lower anvil. The parallelism of the two culet faces is ensured by the high accuracy of the machining. Moreover, on the lower plate, are precisely mounted guiding rods, along which the upper triangular plate is guided to ensure a smooth displacement. The very smooth and tight fit between the plates ensures the stability of diamond anvils alignment.

It is recommended that anvils for this cell have culets of at least 0.50 mm. The maximum pressure of the Bragg-Mini is ~ 30 GPa with 0.50 mm anvils.

This DAC is used for X-ray work and it can easily be mounted on goniometer heads.

Of course, it can also be used for other spectroscopic studies.


Cell Material AISI316
Anvil Support Plate Tungsten Carbide
Pressure Mechanism Screw Drive
Maximum Pressure  ~50 GPa
Temperature Range 300 K
Top Angle X-Ray: conical 85º
Bottom Angle X-Ray: conical 85º
Lateral Access N/A
Heating N/A
Cooling N/A
DAC Diameter <43 mm triangular
DAC Height 15 mm
Working Distance to Sample 7.5 mm
Numerical Aperture 0.68
Interfacing Solution Via mounting pin (included)
DAC Weight 70 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


Application Note Bragg Mini vs Diasqueeze

Technical Drawing

Please contact us for further details on the engineering drawings.


2023 – Turnbull et al. – Pressure-induced phase transition and band-gap decrease in semiconducting Na3Bi(IO3)6

2023 – Gonzalez- Platas et al. – Structural and Luminescence Properties of Cu(I)X-Quinoxaline under high pressure (X=Br, I)


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
Boehler-Almax design diamond anvil, 3.30 mm – 85°
Product code: [P00539]
Anvil Support Plate
Tungsten carbide seat, 85° aperture
Product code: [P00542]
Gearbox assembly to drive the 3 clamping screws simultaneously
Product code: [A75060]
Set of Spare Screws
Includes lateral alignment screws, clamping screws
Product code: [Please contact us]
Gasket Blanks
10 mm/0.25 mm thick Stainless Steel gasket blanks
Product code: [P00113]


What is the maximum pressure I can achieve with the One20DAC and a given culet size?

Culet size (µm) 200 300 400 500 600 800 1000
Pmax (GPa) (*) N/A 74 48 31 22 12 8

(*) 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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