Bibliographic Details
| Title: |
Non-thermal structural transformation of diamond driven by x-rays |
| Authors: |
Philip Heimann, Nicholas J. Hartley, Ichiro Inoue, Victor Tkachenko, Andre Antoine, Fabien Dorchies, Roger Falcone, Jérôme Gaudin, Hauke Höppner, Yuichi Inubushi, Konrad J. Kapcia, Hae Ja Lee, Vladimir Lipp, Paloma Martinez, Nikita Medvedev, Franz Tavella, Sven Toleikis, Makina Yabashi, Toshinori Yabuuchi, Jumpei Yamada, Beata Ziaja |
| Source: |
Structural Dynamics, Vol 10, Iss 5, Pp 054502-054502-7 (2023) |
| Publisher Information: |
AIP Publishing LLC and ACA, 2023. |
| Publication Year: |
2023 |
| Collection: |
LCC:Crystallography |
| Subject Terms: |
Crystallography, QD901-999 |
| More Details: |
Intense x-ray pulses can cause the non-thermal structural transformation of diamond. At the SACLA XFEL facility, pump x-ray pulses triggered this phase transition, and probe x-ray pulses produced diffraction patterns. Time delays were observed from 0 to 250 fs, and the x-ray dose varied from 0.9 to 8.0 eV/atom. The intensity of the (111), (220), and (311) diffraction peaks decreased with time, indicating a disordering of the crystal lattice. From a Debye–Waller analysis, the rms atomic displacements perpendicular to the (111) planes were observed to be significantly larger than those perpendicular to the (220) or (311) planes. At a long time delay of 33 ms, graphite (002) diffraction indicates that graphitization did occur above a threshold dose of 1.2 eV/atom. These experimental results are in qualitative agreement with XTANT+ simulations using a hybrid model based on density-functional tight-binding molecular dynamics. |
| Document Type: |
article |
| File Description: |
electronic resource |
| Language: |
English |
| ISSN: |
2329-7778 |
| Relation: |
https://doaj.org/toc/2329-7778 |
| DOI: |
10.1063/4.0000193 |
| Access URL: |
https://doaj.org/article/f619d19fa004446193972dc099b8a08d |
| Accession Number: |
edsdoj.f619d19fa004446193972dc099b8a08d |
| Database: |
Directory of Open Access Journals |
