Diacell® Bragg-Mini

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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.

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SKU: A16000

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Description

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.

Specifications

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.

Documents

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-Bragg-Mini

Application Note Bragg Mini vs Diasqueeze

Bragg Mini: How to indent a Gasket video

Technical Drawing

Please contact us for further details on the engineering drawings.

Articles

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 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]

FAQs

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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