Diacell® Bragg-(G) Plus
X-ray Spectroscopy, Pmax = 100 GPa, T = 300 K, WD = 14 mm, A = 90°
Diacell® Bragg Series
- The Diacell® Bragg-(G) Plus uses conical Boehler-Almax anvils, making this cell the true benchmark for high pressure X-ray studies
- The large angle apertures enable diffraction work with high transmission factor and very low background
- The Diacell® Bragg-(G) Plus also lends itself to optical experiments at high pressures
- Being a gas membrane driven means that pressure within the cell can be changed whilst the sample is mounted on the X-ray stage, saving considerable time
- Maximum pressures of up to above 100 GPa may be obtained with the Diacell® Bragg-(G) Plus
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Description
The Diacell® Bragg-(G) Plus is one of our most popular cells being equivalent to the Bragg-(S) Plus, but designed to incorporate the gas membrane drive mechanism. The benefits of this type of drive include the ability to apply very small incremental loads, remote operation and the achievement of higher pressures due to absence of friction associated with bolts. Pressures of 100 GPa are achieved with the Bragg-(G) Plus using 200 μm anvil culets.
The Bragg-(G) Plus incorporates conical anvils. This means that the beryllium support plates found on the conventional Bragg-(G) cell were replaced by tungsten carbide ones in the Bragg-(G) Plus.
Naturally, it is also possible to convert a Bragg-(G) to a Bragg-(G) Plus (and vice-versa) by replacing the hemisphere, lower plate, anvil support plates and anvils. Please enquiry for more details.
Another variation of the Bragg-(G) is the Diacell® Bragg (G) – Large Sight Holes. The lateral sight holes of this Diamond Anvil Cell have been widened in an elliptical shape to enable up to 25° and 130° degrees of respectively vertical and horizontal apertures.
Applications
This cell is ideal for X-Ray diffraction and related work.
Specifications
| Cell Material | AISI 440C |
| Anvil Design | Boehler-Almax |
| Anvil Support Plate | Tungsten Carbide |
| Pressure Mechanism | Gas Membrane |
| Maximum Pressure | > 100 GPa |
| Temperature Range | 300 K |
| Top Angle | X-Ray: conical 85º |
| Bottom Angle | X-Ray: conical 85º |
| Lateral Access | 24° of 2θ is accessible |
| Heating | N/A |
| Cooling | N/A |
| DAC Diameter | 53 mm |
| DAC Height | 32 mm |
| Working Distance to Sample | 14 mm |
| Numerical Aperture | 0.67 |
| DAC Weight | 300 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-(G) and Bragg-(G) Plus
Technical Drawing
Please contact us for further details on the engineering drawings.
Articles
2013 – Paszkowicz et al. – Equation of state of CaMnO3: a combined experimental and computational study
2010 – Heathman et al. – Resonant x-ray emission spectroscopy at the L3 edge of americium up to 23 GPa
2008 – Koski et al. – Structural distortions in 5–10 nm silver nanoparticles under high pressure.
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.
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Diamond Anvils 3.30 mm – 85° Boehler–Almax design diamond anvil for Bragg-(G) Plus diamond anvil cell Product code: [P00539] |
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Anvil Support Plate Tungsten carbide seat (KXF), with 85° conical aperture for Bragg-(G) Plus diamond anvil cell Product code: [P00826] |
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Gearbox Gearbox assembly to drive the 4 clamping screws simultaneously Product code: [A51100] |
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Clamp Kit for Cryoloader Kit for cryogenic gas loading using the Diacell® Cryoloader Product code: [A30200] |
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Gas membrane Gas membrane used in the Diacell Bragg(G) series Product code: [A76010] |
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Conversion kit Upgrade kit from Bragg-(G) to Bragg -(G) Plus Product code: [A51002] |
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Gasket Blanks 10 mm diameter and 0.25 mm thick, stainless steel gasket blanks Product code: [P00113] |
FAQs
What is the maximum pressure I can achieve with the Bragg-(G) Plus and a given culet size?
| Culet size (µm) | 200 | 300 | 400 | 500 | 600 | 800 | 1000 |
| Bragg-(G) Plus Pmax (GPa) (*) | 114 | 98 | 63 | 41 | 28 | 16 | 10 |
(*) 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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