We are developing coherent electron imaging techniques that capture 3D atomic arrangement information via relative phase shifts of the scattered electron waves.
When using coherent probing waves, the phase differences due to 3D positions of individual scatterers within a 3D sample are captured in an interference pattern, diffraction pattern or hologram. It is then a numerical task to recover the missing phases, and with this, the positions of individual scatterers within the sample.
Research
Our current research topics include: novel high-resolution 3D diffraction and imaging methods, iterative phase retrieval, coherent diffraction imaging, holography, convergent beam electron diffraction, 2D materials.
Team
PhD student
Publications
2020 - 2024
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Latychevskaia T, Bandurin DA, Novoselov KS
A new family of septuple-layer 2D materials of MoSi2N4-like crystals
Nature Reviews Physics. 2024. https://doi.org/10.1038/s42254-024-00728-x
DORA PSI -
Wicki F, Latychevskaia T
Double-slit holography—a single-shot lensless imaging technique
Scientific Reports. 2024; 14: 12528 (9 pp.). https://doi.org/10.1038/s41598-024-62785-7
DORA PSI -
Latychevskaia T
Coherent imaging with low-energy electrons, quantitative analysis
Ultramicroscopy. 2023; 253: 113807 (10 pp.). https://doi.org/10.1016/j.ultramic.2023.113807
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Latychevskaia T
Controlling topological states in bilayer graphene
Nature Nanotechnology. 2023; 18: 1126-1127. https://doi.org/10.1038/s41565-023-01454-8
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Latychevskaia T, Woods CR, Wang YB, Holwill M, Prestat E, Mustafi S, et al.
Potentials of individual atoms by convergent beam electron diffraction
Carbon. 2023; 201: 244-250. https://doi.org/10.1016/j.carbon.2022.09.003
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Mustafi S, Latychevskaia T
Fourier transform holography: a lensless imaging technique, its principles and applications
Photonics. 2023; 10(2): 153 (28 pp.). https://doi.org/10.3390/photonics10020153
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Latychevskaia T, Huang P, Novoselov KS
Imaging defects in two-dimensional crystals by convergent-beam electron diffraction
Physical Review B. 2022; 105(18): 184113 (7 pp.). https://doi.org/10.1103/PhysRevB.105.184113
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Latychevskaia T, Kohli A
Low-dose shift- and rotation-invariant diffraction recognition imaging
Scientific Reports. 2022; 12(1): 11202 (9 pp.). https://doi.org/10.1038/s41598-022-15486-y
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Latychevskaia T, Cassidy C, Shintake T
Bragg holography of nano-crystals
Ultramicroscopy. 2021; 230: 113376 (8 pp.). https://doi.org/10.1016/j.ultramic.2021.113376
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Latychevskaia T, Haigh SJ, Novoselov KS
Holographic convergent electron beam diffraction (CBED) imaging of two-dimensional crystals
Surface Review and Letters. 2021; 28(8): 2140001 (15 pp.). https://doi.org/10.1142/S0218625X21400011
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Latychevskaia T, Haigh SJ, Novoselov KS
Holographic convergent electron beam diffraction (CBED) imaging of two-dimensional crystals
In: Novoselov KS, Wee ATS, Arramel, eds. Molecular interactions on two-dimensional materials. Singapore: World Scientific Publishing Company; 2021:303-331. https://doi.org/10.1142/9789811247859_0009
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Latychevskaia T
Phase retrieval methods applied to coherent imaging
In: Hÿtch M, Hawkes PW, eds. Advances in imaging and electron physics. sine loco: Elsevier; 2021:1-62. https://doi.org/10.1016/bs.aiep.2021.04.001
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Latychevskaia T, Zan R, Morozov S, Novoselov KS
Symmetry of diffraction patterns of two-dimensional crystal structures
Ultramicroscopy. 2021; 228: 113336 (5 pp.). https://doi.org/10.1016/j.ultramic.2021.113336
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Latychevskaia T
Three-dimensional structure from single two-dimensional diffraction intensity measurement
Physical Review Letters. 2021; 127(6): 063601 (6 pp.). https://doi.org/10.1103/PhysRevLett.127.063601
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Latychevskaia T
Wavefront modulation and beam shaping into arbitrary three-dimensional intensity distributions
Photonics. 2021; 8(6): 179 (10 pp.). https://doi.org/10.3390/photonics8060179
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Latychevskaia T
Holography and coherent diffraction imaging with low-(30-250 eV) and high-(80-300 keV) energy electrons: history, principles, and recent trends
Materials. 2020; 13(14): 3089 (36 pp.). https://doi.org/10.3390/ma13143089
DORA PSI