X-ray diffraction reveals the amount of strain and homogeneity of extremely bent single nanowires

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F20%3A10417724" target="_blank" >RIV/00216208:11320/20:10417724 - isvavai.cz</a>

Výsledek na webu

<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=Clkncm18iY" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=Clkncm18iY</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1107/S1600576720011516" target="_blank" >10.1107/S1600576720011516</a>

Jazyk výsledku

angličtina

Název v původním jazyce

X-ray diffraction reveals the amount of strain and homogeneity of extremely bent single nanowires

Popis výsledku v původním jazyce

Core-shell nanowires (NWs) with asymmetric shells allow for strain engineering of NW properties because of the bending resulting from the lattice mismatch between core and shell material. The bending of NWs can be readily observed by electron microscopy. Using X-ray diffraction analysis with a micro- and nano-focused beam, the bending radii found by the microscopic investigations are confirmed and the strain in the NW core is analyzed. For that purpose, a kinematical diffraction theory for highly bent crystals is developed. The homogeneity of the bending and strain is studied along the growth axis of the NWs, and it is found that the lower parts, i.e. close to the substrate/wire interface, are bent less than the parts further up. Extreme bending radii down to similar to 3 mu m resulting in strain variation of similar to 2.5% in the NW core are found.

Název v anglickém jazyce

X-ray diffraction reveals the amount of strain and homogeneity of extremely bent single nanowires

Popis výsledku anglicky

Core-shell nanowires (NWs) with asymmetric shells allow for strain engineering of NW properties because of the bending resulting from the lattice mismatch between core and shell material. The bending of NWs can be readily observed by electron microscopy. Using X-ray diffraction analysis with a micro- and nano-focused beam, the bending radii found by the microscopic investigations are confirmed and the strain in the NW core is analyzed. For that purpose, a kinematical diffraction theory for highly bent crystals is developed. The homogeneity of the bending and strain is studied along the growth axis of the NWs, and it is found that the lower parts, i.e. close to the substrate/wire interface, are bent less than the parts further up. Extreme bending radii down to similar to 3 mu m resulting in strain variation of similar to 2.5% in the NW core are found.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10302 - Condensed matter physics (including formerly solid state physics, supercond.)

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

2020

Kód důvěrnosti údajů

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

Název periodika

Journal of Applied Crystallography

ISSN

0021-8898

e-ISSN

—

Svazek periodika

53

Číslo periodika v rámci svazku

Srpen

Stát vydavatele periodika

DK - Dánské království

Počet stran výsledku

11

Strana od-do

1310-1320

Kód UT WoS článku

000577178000017

EID výsledku v databázi Scopus

2-s2.0-85092573337