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Description
| - We studied experimentally and theoretically the structural transition of diamond under an irradiation with an intense femtosecond extreme ultraviolet laser (XUV) pulse of 24–275 eV photon energy provided by free-electron lasers. Experimental results obtained show that the irradiated diamond undergoes a solid-to-solid phase transition to graphite, and not to an amorphous state. Our theoretical findings suggest that the nature of this transition is nonthermal, stimulated by a change of the interatomic potential triggered by the excitation of valence electrons. Ultrashort laser pulse duration enables to identify the subsequent steps of this process: electron excitation, band gap collapse, and the following atomic motion. A good agreement between the experimentally measured and theoretically calculated damage thresholds for the XUV range supports our conclusions.
- We studied experimentally and theoretically the structural transition of diamond under an irradiation with an intense femtosecond extreme ultraviolet laser (XUV) pulse of 24–275 eV photon energy provided by free-electron lasers. Experimental results obtained show that the irradiated diamond undergoes a solid-to-solid phase transition to graphite, and not to an amorphous state. Our theoretical findings suggest that the nature of this transition is nonthermal, stimulated by a change of the interatomic potential triggered by the excitation of valence electrons. Ultrashort laser pulse duration enables to identify the subsequent steps of this process: electron excitation, band gap collapse, and the following atomic motion. A good agreement between the experimentally measured and theoretically calculated damage thresholds for the XUV range supports our conclusions. (en)
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Title
| - Photon energy dependence of graphitization threshold for diamond irradiated with an intense XUV FEL pulse
- Photon energy dependence of graphitization threshold for diamond irradiated with an intense XUV FEL pulse (en)
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skos:prefLabel
| - Photon energy dependence of graphitization threshold for diamond irradiated with an intense XUV FEL pulse
- Photon energy dependence of graphitization threshold for diamond irradiated with an intense XUV FEL pulse (en)
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skos:notation
| - RIV/68378271:_____/13:00395857!RIV14-MSM-68378271
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http://linked.open...avai/predkladatel
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - I, P(EE2.3.30.0057), P(GA13-28721S), P(GAP108/11/1312), P(GAP205/11/0571), P(GAP208/10/2302), P(LG13029), V
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/68378271:_____/13:00395857
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - graphitization; diamond; XUV; free-electron lase (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Burian, Tomáš
- Chalupský, Jaromír
- Hájková, Věra
- Juha, Libor
- Krzywinski, J.
- Vyšín, Luděk
- Gaudin, J.
- Jurek, M.
- Klinger, D.
- Sinn, H.
- Sobierajski, R.
- Tiedtke, K.
- Toleikis, S.
- Tschentscher, T.
- Wabnitz, H.
- Vorlíček, Vladimír
- Toufarová, Martina
- Saksl, K.
- Dastjani-Farahani, S.
- Moeller, S.
- Harmand, M.
- Loch, R. A.
- Nagasono, M.
- Ozkan, C.
- Medvedev, N.
- Jeschke, H. O.
- Sovák, P.
- Ziaja, B.
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http://linked.open...ain/vavai/riv/wos
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issn
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number of pages
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http://bibframe.org/vocab/doi
| - 10.1103/PhysRevB.88.060101
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