Recrystallization as the governing mechanism of ion track formation

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F19%3A00509896" target="_blank" >RIV/61389021:_____/19:00509896 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68378271:_____/19:00521106

Výsledek na webu

<a href="https://www.nature.com/articles/s41598-019-40239-9" target="_blank" >https://www.nature.com/articles/s41598-019-40239-9</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1038/s41598-019-40239-9" target="_blank" >10.1038/s41598-019-40239-9</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Recrystallization as the governing mechanism of ion track formation

Popis výsledku v původním jazyce

Response of dielectric crystals: MgO, Al2O3 and Y3Al5O12 ( YAG) to irradiation with 167 MeV Xe ions decelerating in the electronic stopping regime is studied. Comprehensive simulations demonstrated that despite similar ion energy losses and the initial excitation kinetics of the electronic systems and lattices, significant differences occur among final structures of ion tracks in these materials, supported by experiments. No ion tracks appeared in MgO, whereas discontinuous distorted crystalline tracks of similar to 2 nm in diameter were observed in Al2O3 and continuous amorphous tracks were detected in YAG. These track structures in Al2O3 and YAG were confirmed by high resolution TEM data. The simulations enabled us to identify recrystallization as the dominant mechanism governing formation of detected tracks in these oxides. We analyzed effects of the viscosity in molten state, lattice structure and difference in the kinetics of metallic and oxygen sublattices at the crystallization surface on damage recovery in tracks.

Název v anglickém jazyce

Recrystallization as the governing mechanism of ion track formation

Popis výsledku anglicky

Response of dielectric crystals: MgO, Al2O3 and Y3Al5O12 ( YAG) to irradiation with 167 MeV Xe ions decelerating in the electronic stopping regime is studied. Comprehensive simulations demonstrated that despite similar ion energy losses and the initial excitation kinetics of the electronic systems and lattices, significant differences occur among final structures of ion tracks in these materials, supported by experiments. No ion tracks appeared in MgO, whereas discontinuous distorted crystalline tracks of similar to 2 nm in diameter were observed in Al2O3 and continuous amorphous tracks were detected in YAG. These track structures in Al2O3 and YAG were confirmed by high resolution TEM data. The simulations enabled us to identify recrystallization as the dominant mechanism governing formation of detected tracks in these oxides. We analyzed effects of the viscosity in molten state, lattice structure and difference in the kinetics of metallic and oxygen sublattices at the crystallization surface on damage recovery in tracks.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10406 - Analytical chemistry

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2019

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Scientific Reports

ISSN

2045-2322

e-ISSN

—

Svazek periodika

9

Číslo periodika v rámci svazku

March

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

10

Strana od-do

3837

Kód UT WoS článku

000460508600067

EID výsledku v databázi Scopus

2-s2.0-85062641297