Ptychographic X-Ray Imaging of Colloidal Crystals

Sergey Lazarev, Ilya Besedin, Alexey V. Zozulya, Janne Mieke Meijer, Dmitry Dzhigaev, Oleg Yu Gorobtsov, Ruslan P. Kurta, Max Rose, Anatoly G. Shabalin, Elena A. Sulyanova, Ivana Zaluzhnyy, Alexey P. Menushenkov, Michael Sprung, Andrei V. Petukhov, Ivan A. Vartanyants

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Ptychographic coherent X-ray imaging is applied to obtain a projection of the electron density of colloidal crystals, which are promising nanoscale materials for optoelectronic applications and important model systems. Using the incident X-ray wavefield reconstructed by mixed states approach, a high resolution and high contrast image of the colloidal crystal structure is obtained by ptychography. The reconstructed colloidal crystal reveals domain structure with an average domain size of about 2 µm. Comparison of the domains formed by the basic close-packed structures, allows us to conclude on the absence of pure hexagonal close-packed domains and confirms the presence of random hexagonal close-packed layers with predominantly face-centered cubic structure within the analyzed part of the colloidal crystal film. The ptychography reconstruction shows that the final structure is complicated and may contain partial dislocations leading to a variation of the stacking sequence in the lateral direction. As such in this work, X-ray ptychography is extended to high resolution imaging of crystalline samples.

Original languageEnglish
Article number1702575
JournalSmall
Volume14
Issue number3
DOIs
Publication statusPublished - 18 Jan 2018

Fingerprint

X-Rays
Imaging techniques
X rays
Crystals
Optoelectronic devices
Carrier concentration
Crystal structure
Electrons
Crystalline materials
Direction compound

Keywords

  • coherent X-ray diffraction imaging
  • colloidal crystals
  • domain structures
  • ptychography

ASJC Scopus subject areas

  • Biotechnology
  • Biomaterials
  • Engineering (miscellaneous)

Cite this

Lazarev, S., Besedin, I., Zozulya, A. V., Meijer, J. M., Dzhigaev, D., Gorobtsov, O. Y., ... Vartanyants, I. A. (2018). Ptychographic X-Ray Imaging of Colloidal Crystals. Small, 14(3), [1702575]. https://doi.org/10.1002/smll.201702575

Ptychographic X-Ray Imaging of Colloidal Crystals. / Lazarev, Sergey; Besedin, Ilya; Zozulya, Alexey V.; Meijer, Janne Mieke; Dzhigaev, Dmitry; Gorobtsov, Oleg Yu; Kurta, Ruslan P.; Rose, Max; Shabalin, Anatoly G.; Sulyanova, Elena A.; Zaluzhnyy, Ivana; Menushenkov, Alexey P.; Sprung, Michael; Petukhov, Andrei V.; Vartanyants, Ivan A.

In: Small, Vol. 14, No. 3, 1702575, 18.01.2018.

Research output: Contribution to journalArticle

Lazarev, S, Besedin, I, Zozulya, AV, Meijer, JM, Dzhigaev, D, Gorobtsov, OY, Kurta, RP, Rose, M, Shabalin, AG, Sulyanova, EA, Zaluzhnyy, I, Menushenkov, AP, Sprung, M, Petukhov, AV & Vartanyants, IA 2018, 'Ptychographic X-Ray Imaging of Colloidal Crystals', Small, vol. 14, no. 3, 1702575. https://doi.org/10.1002/smll.201702575
Lazarev S, Besedin I, Zozulya AV, Meijer JM, Dzhigaev D, Gorobtsov OY et al. Ptychographic X-Ray Imaging of Colloidal Crystals. Small. 2018 Jan 18;14(3). 1702575. https://doi.org/10.1002/smll.201702575
Lazarev, Sergey ; Besedin, Ilya ; Zozulya, Alexey V. ; Meijer, Janne Mieke ; Dzhigaev, Dmitry ; Gorobtsov, Oleg Yu ; Kurta, Ruslan P. ; Rose, Max ; Shabalin, Anatoly G. ; Sulyanova, Elena A. ; Zaluzhnyy, Ivana ; Menushenkov, Alexey P. ; Sprung, Michael ; Petukhov, Andrei V. ; Vartanyants, Ivan A. / Ptychographic X-Ray Imaging of Colloidal Crystals. In: Small. 2018 ; Vol. 14, No. 3.
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