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Crystallography Reports

, Volume 64, Issue 3, pp 419–421 | Cite as

ZnO@Si(100) and ZnO@Si(111): Hydrothermal Synthesis, Morphology, and Lasing Characteristics

  • L. E. LiEmail author
  • V. A. Senina
  • G. E. Goryunov
  • D. V. Kostomarov
PHYSICAL PROPERTIES OF CRYSTALS

Abstract

Microstructures have been formed on single-crystal silicon substrates of different crystallographic orientations, (111) and (100), under “soft” hydrothermal conditions. Well-faceted ZnO microcrystallites were obtained on the Si(111) surface, whereas the Si(100) substrate surface was covered with willemite (Zn2SiO4) crystallites, and zinc oxide microcrystallites were observed in only a narrow region ∼1 mm wide over the substrate edge. These results indicate clear influence of the crystallographic orientation of silicon substrates on the processes of crystal formation and microstructure growth under conditions of low-temperature hydrothermal synthesis. Low-threshold effective lasing has been detected on well-faceted zinc oxide crystallites under optical excitation.

Notes

ACKNOWLEDGMENTS

We are grateful to V.G. Galstyan for his help in SEM imaging.

FUNDING

This study was supported in part by the Federal Agency for Scientific Organizations (agreement no. 007-ГЗ/Ч3363/26).

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Copyright information

© Pleiades Publishing, Inc. 2019

Authors and Affiliations

  • L. E. Li
    • 1
    Email author
  • V. A. Senina
    • 2
  • G. E. Goryunov
    • 2
  • D. V. Kostomarov
    • 1
  1. 1.Shubnikov Institute of Crystallography, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of SciencesMoscowRussia
  2. 2.Moscow State UniversityMoscowRussia

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