Personal profile
Research
My research concerns the intersection of nanoscience and X-ray science.
For more information, please see my web site.
For an updated list of publications, please see Google Scholar.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 7 Affordable and Clean Energy
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Collaborations the last five years
Research output
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Sinusoidal Displacement Describes Disorder in CsPbBr3 Nanocrystal Superlattices
Filippi, U., Toso, S., Gomes Ferreira, M., Tallarini, L., Ivanov, Y. P., Scattarella, F., Lauciello, S., Haghighat, V., Chen, H., Landberg, M., Divitini, G., Wallentin, J., Giannini, C., Manna, L. & Baranov, D., 2026 Feb 3, In: ACS Nano. 20, 4, p. 3867-3877 11 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Electro-Chemo-Mechanical Coupling in Hf0.5Zr0.5O2 Ferroionic Heterostructures
Bergne, A., Alikin, D., Vasiljevic, M., B. Tinti, V., Zamudio-García, J., Soares de Oliveira, L., Landberg, M., Koukoulis, D., Chen, H., Wallentin, J., Marrero-López, D., Bjørnetun Haugen, A., Huang, S., Christensen, D., Pryds, N., Tselev, A., Kholkin, A. & Esposito, V., 2026, (E-pub ahead of print) In: Advanced Functional Materials. 11 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Direct Imaging of Nanoscale Ferroelectric Domains and Polarization Reversal in Ferroelectric Capacitors
Landberg, M., Yan, B., Chen, H., Efe, I., Trassin, M. & Wallentin, J., 2025 Nov 12, In: Nano Letters. 25, 45, p. 16304-16310 7 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Deep Sub-Wavelength 3D Imaging Using a Single Nanowire Detector
Lamers, N., Anttu, N., Adham, K., Hrachowina, L., Hessman, D., Borgström, M. T. & Wallentin, J., 2025 Oct 8, In: Nano Letters. 25, 40, p. 14534-14541 8 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Thermal effects on the dynamics of excitons in CsPb(Br1−xClx)3
Pereira-Andrade, E., Machado, M. V. H., Lamers, N., Huang, Z., Wallentin, J., Malachias, A., Cury, L. A., Marçal, L. A. B. & Sáfar, G. A. M., 2025 Oct, In: Solid State Sciences. 168, 108043.Research output: Contribution to journal › Article › peer-review
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Nanoscale X-ray imaging of ferroelectric domain dynamics
Wallentin, J. (PI)
2026/01/01 → 2030/12/31
Project: Research
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Studying domain structure and dynamics via coherent nanoscale X-ray imaging
Draguanov Mihaylov, A. (Researcher), Wallentin, J. (Supervisor), Landberg, M. (Assistant supervisor) & Villanueva Perez, P. (Assistant supervisor)
2025/12/01 → 2029/12/01
Project: Dissertation
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Nanoscale X-ray imaging of ferroic domain dynamics
Wallentin, J. (PI)
2025/10/01 → 2027/09/30
Project: Research
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Heterostructured metal halide perovskite nanowires
Wallentin, J. (PI)
2022/01/01 → 2026/12/31
Project: Research
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Strain Mapping of Single Nanowires using Nano X-ray Diffraction
Hammarberg, S. (Research student) & Wallentin, J. (Supervisor)
Project: Dissertation
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Invited talk International Conference on Flexible Electronics (iCOFE)
Wallentin, J. (Invited speaker)
2024 Nov 4Activity: Talk or presentation › Invited talk
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Postdoc supervisor Leonardo Oliveira
Wallentin, J. (First/primary/lead supervisor)
2024 Sept 1 → …Activity: Examination and supervision › Supervision of PostDoc
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Invited talk Compound semiconductor week
Wallentin, J. (Invited speaker)
2024 Jun 3Activity: Talk or presentation › Invited talk
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Postdoc supervisor Megan Hill
Wallentin, J. (First/primary/lead supervisor)
2023 Sept 6 → 2024 Jul 1Activity: Examination and supervision › Supervision of PostDoc
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Postdoc supervisor Klara Suchan
Wallentin, J. (First/primary/lead supervisor)
2023 Sept 1 → …Activity: Examination and supervision › Supervision of PostDoc