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Fe0.79Si0.07B0.14 m...
Fe0.79Si0.07B0.14 metallic glass gaskets for high-pressure research beyond 1 Mbar
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- Dong, Weiwei (författare)
- DESY, Germany; Chinese Acad Sci, Peoples R China
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- Glazyrin, Konstantin (författare)
- DESY, Germany
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- Khandarkhaeva, Saiana (författare)
- Univ Bayreuth, Germany
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- Fedotenko, Timofey (författare)
- Univ Bayreuth, Germany
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- Bednarcik, Jozef (författare)
- Safarik Univ, Slovakia
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- Greenberg, Eran (författare)
- Soreq NRC, Israel
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- Dubrovinsky, Leonid (författare)
- Linköpings universitet,Institutionen för fysik, kemi och biologi,Tekniska fakulteten,Univ Bayreuth, Germany
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- Dubrovinskaia, Natalia (författare)
- Linköpings universitet,Tekniska fakulteten,Teoretisk Fysik,Univ Bayreuth, Germany
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- Liermann, Hanns-Peter (författare)
- DESY, Germany
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(creator_code:org_t)
- Wiley-Blackwell Publishing Ltd, 2022
- 2022
- Engelska.
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Ingår i: Journal of Synchrotron Radiation. - : Wiley-Blackwell Publishing Ltd. - 0909-0495 .- 1600-5775. ; 29, s. 1167-1179
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A gasket is an important constituent of a diamond anvil cell (DAC) assembly, responsible for the sample chamber stability at extreme conditions for X-ray diffraction studies. In this work, we studied the performance of gaskets made of metallic glass Fe0.79Si0.07B0.14 in a number of high-pressure X-ray diffraction (XRD) experiments in DACs equipped with conventional and toroidal-shape diamond anvils. The experiments were conducted in either axial or radial geometry with X-ray beams of micrometre to sub-micrometre size. We report that Fe0.79Si0.07B0.14 metallic glass gaskets offer a stable sample environment under compression exceeding 1 Mbar in all XRD experiments described here, even in those involving small-molecule gases (e.g. Ne, H-2) used as pressure-transmitting media or in those with laser heating in a DAC. Our results emphasize the materials importance for a great number of delicate experiments conducted under extreme conditions. They indicate that the application of Fe0.79Si0.07B0.14 metallic glass gaskets in XRD experiments for both axial and radial geometries substantially improves various aspects of megabar experiments and, in particular, the signal-to-noise ratio in comparison to that with conventional gaskets made of Re, W, steel or other crystalline metals.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Nyckelord
- diamond anvil cell (DAC); amorphous metal gasket; metallic glass; axial and radial high-pressure X-ray diffraction; signal-to-noise ratio
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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