Terapascal static pressure generation with ultrahigh yield strength nanodiamond
Abstract: Studies of materials’ properties at high and ultrahigh pressures lead to discoveries of unique physical and chemical phenomena and a deeper understanding of matter. In high-pressure research, an achievable static pressure limit is imposed by the strength of available strong materials and design of high-pressure devices. Using a high-pressure and high-temperature technique, we synthesized optically transparent microballs of bulk nanocrystalline diamond, which were found to have an exceptional yield strength (~460 GPa at a confining pressure of ~70 GPa) due to the unique microstructure of bulk nanocrystalline diamond. We used the nanodiamond balls in a double-stage diamond anvil cell high-pressure device that allowed us to generate static pressures beyond 1 TPa, as demonstrated by synchrotron x-ray diffraction. Outstanding mechanical properties (strain-dependent elasticity, very high hardness, and unprecedented yield strength) make the nanodiamond balls a unique device for ultrahigh static pressure generation. Structurally isotropic, homogeneous, and made of a low-Z material, they are promising in the field of x-ray optical applications
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Anmerkungen
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ISSN: 2375-2548
- Ereignis
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Veröffentlichung
- (wo)
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Freiburg
- (wer)
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Universität
- (wann)
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2024
- Urheber
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Dubrovinskaia, Natalia
Dubrovinsky, Leonid
Solopova, Natalia A.
Abakumov, Artem M.
Turner, Stuart
Hanfland, Michael
Bykova, Elena
Bykov, Maxim
Prescher, Clemens
Prakapenka, Vitali B.
Petitgirard, Sylvain
Chuvashova, Irina
Gasharova, Biliana
Mathis, Yves-Laurent
Ershov, Petr
Snigireva, Irina
Snigirev, Anatoly
- DOI
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10.1126/sciadv.1600341
- URN
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urn:nbn:de:bsz:25-freidok-2432304
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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25.03.2025, 13:41 MEZ
Datenpartner
Deutsche Nationalbibliothek. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Beteiligte
- Dubrovinskaia, Natalia
- Dubrovinsky, Leonid
- Solopova, Natalia A.
- Abakumov, Artem M.
- Turner, Stuart
- Hanfland, Michael
- Bykova, Elena
- Bykov, Maxim
- Prescher, Clemens
- Prakapenka, Vitali B.
- Petitgirard, Sylvain
- Chuvashova, Irina
- Gasharova, Biliana
- Mathis, Yves-Laurent
- Ershov, Petr
- Snigireva, Irina
- Snigirev, Anatoly
- Universität
Entstanden
- 2024
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