Davtyan A - Search Results

1

Ferroelectric domain wall dynamics characterized with X-ray photon correlation spectroscopy.

Gorfman S, Bokov AA, Davtyan A, Reiser M, Xie Y, Ye ZG, Zozulya AV, Sprung M, Pietsch U, Gutt C. Gorfman S, et al. Among authors: davtyan a. Proc Natl Acad Sci U S A. 2018 Jul 17;115(29):E6680-E6689. doi: 10.1073/pnas.1720991115. Epub 2018 Jul 3. Proc Natl Acad Sci U S A. 2018. PMID: 29970423 Free PMC article.

2

Threefold rotational symmetry in hexagonally shaped core-shell (In,Ga)As/GaAs nanowires revealed by coherent X-ray diffraction imaging.

Davtyan A, Krause T, Kriegner D, Al-Hassan A, Bahrami D, Mostafavi Kashani SM, Lewis RB, Küpers H, Tahraoui A, Geelhaar L, Hanke M, Leake SJ, Loffeld O, Pietsch U. Davtyan A, et al. J Appl Crystallogr. 2017 Apr 13;50(Pt 3):673-680. doi: 10.1107/S1600576717004149. eCollection 2017 Jun 1. J Appl Crystallogr. 2017. PMID: 28656032 Free PMC article.

3

Characterization of individual stacking faults in a wurtzite GaAs nanowire by nanobeam X-ray diffraction.

Davtyan A, Lehmann S, Kriegner D, Zamani RR, Dick KA, Bahrami D, Al-Hassan A, Leake SJ, Pietsch U, Holý V. Davtyan A, et al. J Synchrotron Radiat. 2017 Sep 1;24(Pt 5):981-990. doi: 10.1107/S1600577517009584. Epub 2017 Aug 9. J Synchrotron Radiat. 2017. PMID: 28862620 Free PMC article.

4

Beam damage of single semiconductor nanowires during X-ray nanobeam diffraction experiments.

Al Hassan A, Lähnemann J, Davtyan A, Al-Humaidi M, Herranz J, Bahrami D, Anjum T, Bertram F, Dey AB, Geelhaar L, Pietsch U. Al Hassan A, et al. Among authors: davtyan a. J Synchrotron Radiat. 2020 Sep 1;27(Pt 5):1200-1208. doi: 10.1107/S1600577520009789. Epub 2020 Aug 12. J Synchrotron Radiat. 2020. PMID: 32876594 Free PMC article.

5

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

Davtyan A, Kriegner D, Holý V, AlHassan A, Lewis RB, McDermott S, Geelhaar L, Bahrami D, Anjum T, Ren Z, Richter C, Novikov D, Müller J, Butz B, Pietsch U. Davtyan A, et al. J Appl Crystallogr. 2020 Sep 23;53(Pt 5):1310-1320. doi: 10.1107/S1600576720011516. eCollection 2020 Oct 1. J Appl Crystallogr. 2020. PMID: 33117111 Free PMC article.

6

Correlating in situ RHEED and XRD to study growth dynamics of polytypism in nanowires.

Jakob J , Schroth P , Feigl L , Al Humaidi M , Al Hassan A , Davtyan A , Hauck D , Pietsch U , Baumbach T . Jakob J , et al. Among authors: davtyan a. Nanoscale. 2021 Aug 14;13(30):13095-13107. doi: 10.1039/d1nr02320a. Epub 2021 Jul 23. Nanoscale. 2021. PMID: 34477793

7

In situx-ray analysis of misfit strain and curvature of bent polytypic GaAs-In_xGa_1-xAs core-shell nanowires.

Al-Humaidi M, Feigl L, Jakob J, Schroth P, AlHassan A, Davtyan A, Herranz J, Anjum T, Novikov D, Francoual S, Geelhaar L, Baumbach T, Pietsch U. Al-Humaidi M, et al. Among authors: davtyan a. Nanotechnology. 2021 Oct 20;33(1). doi: 10.1088/1361-6528/ac29d8. Nanotechnology. 2021. PMID: 34560680

8

Exploiting flux shadowing for strain and bending engineering in core-shell nanowires.

Al Humaidi M, Jakob J, Al Hassan A, Davtyan A, Schroth P, Feigl L, Herranz J, Novikov D, Geelhaar L, Baumbach T, Pietsch U. Al Humaidi M, et al. Among authors: davtyan a. Nanoscale. 2023 Feb 2;15(5):2254-2261. doi: 10.1039/d2nr03279a. Nanoscale. 2023. PMID: 36629039

9

Lähnemann J, Hill MO, Herranz J, Marquardt O, Gao G, Al Hassan A, Davtyan A, Hruszkewycz SO, Holt MV, Huang C, Calvo-Almazán I, Jahn U, Pietsch U, Lauhon LJ, Geelhaar L. Lähnemann J, et al. Among authors: davtyan a. Nano Lett. 2019 Jul 10;19(7):4448-4457. doi: 10.1021/acs.nanolett.9b01241. Epub 2019 Jun 5. Nano Lett. 2019. PMID: 31141672

10

Impact of the Shadowing Effect on the Crystal Structure of Patterned Self-Catalyzed GaAs Nanowires.

Schroth P, Al Humaidi M, Feigl L, Jakob J, Al Hassan A, Davtyan A, Küpers H, Tahraoui A, Geelhaar L, Pietsch U, Baumbach T. Schroth P, et al. Among authors: davtyan a. Nano Lett. 2019 Jul 10;19(7):4263-4271. doi: 10.1021/acs.nanolett.9b00380. Epub 2019 Jun 13. Nano Lett. 2019. PMID: 31150261

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