Pretražite po imenu i prezimenu autora, mentora, urednika, prevoditelja

Napredna pretraga

Pregled bibliografske jedinice broj: 1076337

Real-time tracking of the self-assembled growth of a 3D Ge quantum dot lattice in an alumina matrix


Shaji, A.; Mičetić, Maja; Halahovets, Y.; Nadaždy, Peter; Matko, I.; Jergel, M.; Majkova, E.; Siffalović, Peter
Real-time tracking of the self-assembled growth of a 3D Ge quantum dot lattice in an alumina matrix // Journal of applied crystallography, 53 (2020), 1029-1038 doi:10.1107/S1600576720007815 (međunarodna recenzija, članak, znanstveni)


CROSBI ID: 1076337 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
Real-time tracking of the self-assembled growth of a 3D Ge quantum dot lattice in an alumina matrix

Autori
Shaji, A. ; Mičetić, Maja ; Halahovets, Y. ; Nadaždy, Peter ; Matko, I. ; Jergel, M. ; Majkova, E. ; Siffalović, Peter

Izvornik
Journal of applied crystallography (0021-8898) 53 (2020); 1029-1038

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
quantum dots (QDs) ; self-assembled growth ; grazing-incidence small-angle X-ray scattering (GISAXS) ; real-time X-ray scattering

Sažetak
A laboratory in situ grazing-incidence small-angle X-ray scattering (GISAXS) tracking of the self- assembled growth of a regular 3D Ge quantum dot (QD) structure in an amorphous Al2O3 matrix during the ion beam sputter deposition of a periodic Ge/Al2O3 multilayer on silicon is reported. A 573 K substrate temperature proved to be necessary to achieve the self-assembly effect. Relying on a fast repeated acquisition of GISAXS patterns, the temporal evolution of the growing 3D Ge QD structure was analyzed bilayer by bilayer to determine its type, lateral and vertical correlation lengths, and inter-QD distance. The QD structure was found to have body-centered tetragonal lattice type with ABA stacking, with the lattice parameters refined by fitting the final GISAXS pattern relying on a paracrystal model. A single set of paracrystal parameters enables one to simulate the temporal evolution of the in situ GISAXS patterns throughout the deposition process, suggesting that the Ge QD self-assembly is driven from the very beginning solely by the growing surface morphology. Ex situ GISAXS and X-ray reflectivity measurements along with a cross-section high-resolution transmission electron microscopy analysis complete the study.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekti:
HRZZ-IP-2018-01-3633 - 3D mreže kompleksnih Ge-baziranih nanostruktura u staklima: svojstva i primjene (NetNano) (Mičetić, Maja, HRZZ - 2018-01) ( POIROT)

Ustanove:
Institut "Ruđer Bošković", Zagreb

Profili:

Avatar Url Maja Mičetić (autor)

Poveznice na cjeloviti tekst rada:

doi scripts.iucr.org doi.org

Citiraj ovu publikaciju:

Shaji, A.; Mičetić, Maja; Halahovets, Y.; Nadaždy, Peter; Matko, I.; Jergel, M.; Majkova, E.; Siffalović, Peter
Real-time tracking of the self-assembled growth of a 3D Ge quantum dot lattice in an alumina matrix // Journal of applied crystallography, 53 (2020), 1029-1038 doi:10.1107/S1600576720007815 (međunarodna recenzija, članak, znanstveni)
Shaji, A., Mičetić, M., Halahovets, Y., Nadaždy, P., Matko, I., Jergel, M., Majkova, E. & Siffalović, P. (2020) Real-time tracking of the self-assembled growth of a 3D Ge quantum dot lattice in an alumina matrix. Journal of applied crystallography, 53, 1029-1038 doi:10.1107/S1600576720007815.
@article{article, author = {Shaji, A. and Mi\v{c}eti\'{c}, Maja and Halahovets, Y. and Nada\v{z}dy, Peter and Matko, I. and Jergel, M. and Majkova, E. and Siffalovi\'{c}, Peter}, year = {2020}, pages = {1029-1038}, DOI = {10.1107/S1600576720007815}, keywords = {quantum dots (QDs), self-assembled growth, grazing-incidence small-angle X-ray scattering (GISAXS), real-time X-ray scattering}, journal = {Journal of applied crystallography}, doi = {10.1107/S1600576720007815}, volume = {53}, issn = {0021-8898}, title = {Real-time tracking of the self-assembled growth of a 3D Ge quantum dot lattice in an alumina matrix}, keyword = {quantum dots (QDs), self-assembled growth, grazing-incidence small-angle X-ray scattering (GISAXS), real-time X-ray scattering} }
@article{article, author = {Shaji, A. and Mi\v{c}eti\'{c}, Maja and Halahovets, Y. and Nada\v{z}dy, Peter and Matko, I. and Jergel, M. and Majkova, E. and Siffalovi\'{c}, Peter}, year = {2020}, pages = {1029-1038}, DOI = {10.1107/S1600576720007815}, keywords = {quantum dots (QDs), self-assembled growth, grazing-incidence small-angle X-ray scattering (GISAXS), real-time X-ray scattering}, journal = {Journal of applied crystallography}, doi = {10.1107/S1600576720007815}, volume = {53}, issn = {0021-8898}, title = {Real-time tracking of the self-assembled growth of a 3D Ge quantum dot lattice in an alumina matrix}, keyword = {quantum dots (QDs), self-assembled growth, grazing-incidence small-angle X-ray scattering (GISAXS), real-time X-ray scattering} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus


Citati:





    Contrast
    Increase Font
    Decrease Font
    Dyslexic Font