Julia Wiktor

Associate Professor at Condensed Matter and Materials Theory

Julia Wiktor joined Chalmers in May 2019. She obtained a M.Sc. degree from Grenoble INP in France and Gdansk Technical University in Poland. She carried out her PhD studies on nuclear materials at CEA Cadarache in France and was awarded a PhD degree by Aix-Marseille University in 2015. After graduating, she moved to EPFL in Switzerland for a postdoctoral stay focusing on solar materials.

Her main scientific interests are novel photoabsorbing materials for solar devices. In particular, she uses advanced electronic structure methods to study how complex physical phenomena occuring at the atomic scale affect the efficiency of solar devices.

Source: chalmers.se
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Showing 36 publications

2024

Electron bipolarons at the DMASnBr<inf>3</inf>–water interface: Effect on the photocatalytic hydrogen production

Damiano Ricciarelli, E. Mosconi, Julia Wiktor et al
International Journal of Hydrogen Energy. Vol. 58, p. 863-871
Journal article
2024

Electron Localization and Mobility in Monolayer Fullerene Networks

Amedeo Capobianco, Julia Wiktor, Alessandro Landi et al
Nano Letters. Vol. 24 (27), p. 8335-8342
Journal article
2024

All-2D CVD-grown semiconductor field-effect transistors with van der Waals graphene contacts

Anamul Md Hoque, Antony George, Vasudev Ramachandra et al
npj 2D Materials and Applications. Vol. 8 (1)
Journal article
2024

Impact of Organic Spacers and Dimensionality on Templating of Halide Perovskites

Erik Fransson, Julia Wiktor, Paul Erhart
ACS Energy Letters. Vol. 9 (8), p. 3947-3954
Journal article
2024

Direct, Indirect, and Self-Trapped Excitons in Cs<inf>2</inf>AgBiBr<inf>6</inf>

Mehmet Baskurt, Paul Erhart, Julia Wiktor
Journal of Physical Chemistry Letters. Vol. 15, p. 8549-8554
Journal article
2024

Spontaneous Oxygen Vacancy Ionization Enhances Water Oxidation on BiVO<inf>4</inf>

Nicklas Österbacka, Hassan Ouhbi, Francesco Ambrosio et al
ACS Energy Letters. Vol. 9 (1), p. 153-158
Journal article
2024

Identification and Suppression of Point Defects in Bromide Perovskite Single Crystals Enabling Gamma-Ray Spectroscopy

Zhenyi Ni, Liang Zhao, Zhifang Shi et al
Advanced Materials. Vol. 36 (35)
Journal article
2023

Phase Transitions in Inorganic Halide Perovskites from Machine-Learned Potentials

Erik Fransson, Julia Wiktor, Paul Erhart
Journal of Physical Chemistry C. Vol. 127 (28), p. 13773-13781
Journal article
2023

Charge Localization in Cs<inf>2</inf>AgBiBr<inf>6</inf> Double Perovskite: Small Polarons and Self-Trapped Excitons

Mehmet Baskurt, Julia Wiktor
Journal of Physical Chemistry C. Vol. 127 (49), p. 23966-23972
Journal article
2023

Cubic or Not Cubic? Combined Experimental and Computational Investigation of the Short-Range Order of Tin Halide Perovskites

Marta Morana, Julia Wiktor, Mauro Coduri et al
Journal of Physical Chemistry Letters. Vol. 14, p. 2178-2186
Journal article
2023

Electric Field and Strain Tuning of 2D Semiconductor van der Waals Heterostructures for Tunnel Field-Effect Transistors

Konstantina Iordanidou, Richa Mitra, Naveen Shetty et al
ACS Applied Materials & Interfaces. Vol. 15 (1), p. 1762-1771
Journal article
2023

Probing the Polaronic Landscape in Bi<sub>4</sub>TaO<sub>8</sub>X Perovskite Oxyhalides Photocatalysts

Hassan Ouhbi, Julia Wiktor
Journal of Physical Chemistry C. Vol. 127 (42), p. 20965-20970
Journal article
2023

Charge Localization in Acene Crystals from Ab Initio Electronic Structure

Francesco Ambrosio, Julia Wiktor, Alessandro Landi et al
Journal of Physical Chemistry Letters. Vol. 14, p. 3343-3351
Journal article
2023

Quantifying Dynamic Tilting in Halide Perovskites: Chemical Trends and Local Correlations

Julia Wiktor, Erik Fransson, Dominik Kubicki et al
Chemistry of Materials. Vol. 35, p. 6737-
Journal article
2023

Probing the Polaronic Landscape in Bi<sub>4</sub>TaO<sub>8</sub>X Perovskite Oxyhalides Photocatalysts

Hassan Ouhbi, Julia Wiktor
Journal of Physical Chemistry C. Vol. 127 (42), p. 20965-20970
Journal article
2023

Strong electron-phonon coupling and bipolarons in Sb2S3

Yun Liu, Bartomeu Monserrat, Julia Wiktor
Physical Review Materials. Vol. 7 (8)
Journal article
2023

Scalable Fabrication of Edge Contacts to 2D Materials: Implications for Quantum Resistance Metrology and 2D Electronics

Naveen Shetty, Hans He, Richa Mitra et al
ACS Applied Nano Materials. Vol. 6 (7), p. 6292-6298
Journal article
2023

Accelerating water oxidation on BiVO<inf>4</inf> photoanodes via surface modification with Co dopants

Mahsa Barzgar Vishlaghi, Abdullah Kahraman, Nicklas Österbacka et al
Journal of Materials Chemistry A. Vol. 11 (31), p. 16648-16658
Journal article
2023

Probing the Polaronic Landscape in Bi<inf>4</inf>TaO<inf>8</inf>X Perovskite Oxyhalides Photocatalysts

Hassan Ouhbi, Julia Wiktor
Journal of Physical Chemistry C. Vol. 127 (42), p. 20965-20970
Journal article
2022

Ab Initio Insights into Charge Localization in Bismuth Oxyhalides BiOX (X = F, Cl, Br, I)

Hassan Ouhbi, Julia Wiktor
Journal of Physical Chemistry C. Vol. 126 (46), p. 19956-19961
Journal article
2022

Reaction Mechanism of Photocatalytic Hydrogen Production at Water/Tin Halide Perovskite Interfaces

Damiano Ricciarelli, Waldemar Kaiser, E. Mosconi et al
ACS Energy Letters. Vol. 7, p. 1308-1315
Journal article
2022

Two-dimensional MoTe2/SnSe2 van der Waals heterostructures for tunnel-FET applications

Konstantina Iordanidou, Julia Wiktor
Physical Review Materials. Vol. 6 (8)
Journal article
2022

Decoupled Structural Responses upon Light and Thermal Functional Activation in CsPbBr<inf>3</inf> Perovskites

Oliviero Cannelli, Julia Wiktor, Nicola Colonna et al
Optics InfoBase Conference Papers
Paper in proceeding
2022

Atomic-Level Description of Thermal Fluctuations in Inorganic Lead Halide Perovskites

Oliviero Cannelli, Julia Wiktor, Nicola Colonna et al
Journal of Physical Chemistry Letters. Vol. 13 (15), p. 3382-3391
Journal article
2022

Oxygen Evolution at the BiVO4-Water Interface: Mechanism of the Water Dehydrogenation Reaction

Sai Lyu, Julia Wiktor, Alfredo Pasquarello
ACS Catalysis. Vol. 12 (19), p. 11734-11742
Journal article
2022

Charge Localization in Defective BiVO<inf>4</inf>

Nicklas Österbacka, Francesco Ambrosio, Julia Wiktor
Journal of Physical Chemistry C. Vol. 126 (6), p. 2960-2970
Journal article
2021

Strong Electron Localization in Tin Halide Perovskites

Hassan Ouhbi, Francesco Ambrosio, F. De Angelis et al
Journal of Physical Chemistry Letters. Vol. 12 (22), p. 5339-5343
Journal article
2021

Polaron formation and hopping in tantalate perovskite oxides: NaTaO3 and KTaO3

Hassan Ouhbi, Julia Wiktor
Physical Review B. Vol. 104 (23)
Journal article
2021

Identification of lead vacancy defects in lead halide perovskites

D. J. Keeble, Julia Wiktor, Sandeep K. Pathak et al
Nature Communications. Vol. 12 (1)
Journal article
2021

Influence of Oxygen Vacancies on the Structure of BiVO<inf>4</inf>

Nicklas Österbacka, Julia Wiktor
Journal of Physical Chemistry C. Vol. 125 (2), p. 1200-1207
Journal article
2020

Small Electron Polarons in CsPbBr₃: Competition between Electron Localization and Delocalization

Nicklas Österbacka, Paul Erhart, Stefano Falletta et al
Chemistry of Materials. Vol. 32 (19), p. 8393-8400
Journal article
2020

Finite-size corrections of defect energy levels involving ionic polarization

Stefano Falletta, Julia Wiktor, Alfredo Pasquarello
Physical Review B. Vol. 102 (4)
Journal article
2020

ABINIT: Overview and focus on selected capabilities

Aldo H. Romero, Douglas C. Allan, Bernard Amadon et al
Journal of Chemical Physics. Vol. 152 (12)
Review article
2019

Strong Hole Trapping Due to Oxygen Dimers in BiVO4: Effect on the Water Oxidation Reaction

Francesco Ambrosio, Julia Wiktor
Journal of Physical Chemistry Letters. Vol. 10 (22), p. 7113-7118
Journal article
2019

Nonempirical hybrid functionals for band gaps of inorganic metal-halide perovskites

Thomas Bischoff, Julia Wiktor, Wei Chen et al
Physical Review Materials. Vol. 3 (12)
Journal article

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