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Dr. Andrew B. Yankovich 
andrew.yankovich[at]chalmers.se
​
Biography
​Andrew earned a dual Bachelors of Arts in physics and mathematics from Saint John’s University in Collegeville MN and a Bachelors of Science in materials science & engineering from the University of Minnesota. He then obtained a Masters of Science in 2011 and a Ph.D. in 2015 in materials science with Professor Paul Voyles at the University of Wisconsin – Madison. He then completed a postdoctoral research fellowship in the Eva Olsson group at Chalmers University of Technology, and was later promoted as a research scientist within the Department of Physics at Chalmers. In 2024 he attained the Oavlönad Docent title from Chalmers University of Technology.

Selected Awards and Grants
  • Swedish Research Council (VR) Starting Grant (2020-2025)
  • The Albert Crewe Award - Major award from the Microscopy Society of America - their highest award for early career scientists working in the physical sciences. (2020)
  • Microscopy and Microanalysis Postdoctoral Scholar Award - Microscopy Society of America. (2019)
  • Materials Research Society Silver Graduate Student Award (2014)
  • ​Microscopy and Microanalysis  Presidential Scholar Award (2013)

Research Interests
  • Quantitative, high-precision, atomic-resolution STEM imaging
  • 4D STEM and position averaged convergent beam electron diffraction (PACBED)
  • Monochromated electron energy loss spectroscopy (EELS)
  • AI-enhanced quantification of electron microscopy data
  • Strain mapping using electron imaging- and diffraction-based methods
  • 3D atomic structure determination of nanoparticles for catalysis
  • STEM image and EELS data simulation
  • Nanoparticle localized surface plasmons
  • 2D transition metal dichalcogenide (TMD) materials
  • Plasmon-exciton strong coupling
  • Optical waveguide modes in 2D vdWs materials
  • Defects and doping in ZnO and GaN thin films and nanowires
  • Composition variation and defects in InGaN quantum well based LED structures

Selected Publications
  • A. B. Yankovich, M. Röding, and E. Olsson, “Simulation study of the performance of neural network-enhanced PACBED for characterizing atomic-scale deformations in 2D van der Waals materials”, Ultramicroscopy, 279, 114246 (2025)
  • G. Zograf, B. Küçüköz, A. Y. Polyakov, A. B. Yankovich, A. Ranjan, M. Bancerek, A. V. Agrawal, E. Olsson, W. Wieczorek, T. J. Antosiewicz, T.O. Shegai, “Ultrathin 3R-MoS2 metasurfaces with atomically precise edges for efficient nonlinear nanophotonics”, Communications Physics, 8, 1, 271 (2025)
  • (*shared first author) G. Zograf*, A. B. Yankovich*, B. Küçüköz, A.V. Agrawal, A.Y. Polyakov, J. Ciers, F. Eriksson, Å. Haglund, P. Erhart, T.J. Antosiewicz, E. Olsson, T.O. Shegai “Defect-assisted reversible phase transition in mono- and few-layer ReS2”, npj 2D Materials and Applications, 9, 1, 3 (2025)
  • Md. Anamul Hoque, A.Y. Polyakov, B. Munkhbat, K. Iordanidou, A.V. Agrawal, A. B. Yankovich, S.K. Mallik, B. Zhao, R. Mitra, A. Kalaboukhov, E. Olsson, S. Kubatkin, J. Wiktor, S. Lara Avila, T.O. Shegai, S.P. Dash, “Ultranarrow Semiconductor WS2 Nanoribbon Field-Effect Transistors”, Nano Letters, 25, 5 (2025)
  • (*shared contribution) C. Maciel-Escudero*, A. B. Yankovich*, B. Munkhbat, D. G. Baranov, R. Hillenbrand, E. Olsson, J. Aizpurua, T. O. Shegai, “Probing optical anapoles with fast electron beams”, Nature Communications, 14 8478 (2023)
  • K. E. MacArthur, A. B. Yankovich, A. Béché, M. Luysberg, H. G. Brown, S. D. Findlay, M. Heggen and L. J. Allen, “Optimizing Experimental Conditions for Accurate Quantitative Energy-Dispersive X-ray Analysis of Interfaces at the Atomic Scale”, Microscopy and Microanalysis, 27, 528-542 (2021)
  • C. Zhang, J. Feng, A. B. Yankovich, A. Kvit, B. Berkels, and P. M. Voyles, “Optimizing Non-Rigid Registration for Scanning Transmission Electron Microscopy Image Series”, Microscopy and Microanalysis, 27, 90-98 (2021)
  • B. Munkhbat, A. B. Yankovich, D.G. Baranov, R. Verre, E. Olsson, and T. O. Shegai, “Transition metal dichalcogenide metamaterials with atomic precision”, Nature Communications, 11 (1) 1-8 (2020)
  • K. Xu, H. Sun, T. P. Ruoko, G. Wang, R. Kroon, N. B. Kolhe, Y. Puttisong, X. Liu, D. Fazzi, K. Shibata, C. Y. Yang, N. Sun, G. Persson, A. B. Yankovich, E. Olsson, H. Yoshida, W. M. Chen, M. Fahlman, M. Kemerink, S. A. Jenekhe, C. Mueller, M. Berggren, and S. Fabiano, “Ground-state electron transfer in all-polymer donor–acceptor heterojunctions”, Nature Materials, 19 (7) 738-744 (2020)
  • Y. Zeng, S. Madsen, A. B. Yankovich, E. Olsson and R. Sinclair, “Comparative electron and photon excitation of localized surface plasmon resonance in lithographic gold arrays for enhanced Raman scattering”, Nanoscale, 12 (46) 23768-23779 (2020)
  • A. B. Yankovich, B. Munkhbat, D. Baranov, J. Cuadra, E. Olsén, H. Lourenço-Martins, L. H. Tizei, M. Kociak, E. Olsson, and T. Shegai, “Visualizing Spatial Variations of Plasmon−Exciton Polaritons at the Nanoscale Using Electron Microscopy”, Nano Letters, 19 (11), 8171-8181 (2019)
  • A. B. Yankovich, T. Nilsson Pingel, M. Jørgensen, H. Grönbeck, and E. Olsson, “Determining Atomic Site-Specific Strain: High-Precision STEM for Imaging and Quantifying Local Strain”, Imaging and Microscopy, issue 4, p.30 (2019)
  • M. Stuhrenberg, B. Munkhbat, D. G. Baranov, J. Cuadra, A. B. Yankovich, T. J. Antosiewicz,, E. Olsson, and T. Shegai “Strong Light–Matter Coupling between Plasmons in Individual Gold Bi-pyramids and Excitons in Mono- and Multilayer WSe2”, Nano Letters, 18 (9), 5938-5945 (2018)
  • (*shared contribution) T. Nilsson Pingel*, M. Jørgensen*, A. B. Yankovich*, H. Grönbeck, and E. Olsson, “Influence of atomic site-specific strain on catalytic activity of supported nanoparticles”, Nature Communications, 9:2722 (2018)
  • R. Verre, L. Shao, N. Odebo Länk, P. Karpinski, A. B. Yankovich, T. J. Antosiewicz, E. Olsson, and M. Käll, “Metasurfaces and colloidal suspensions composed of 3D chiral Si nanoresonators”, Advanced Materials, 29 (29), 1701352 (2017)
  • A. B. Yankovich, R. Verre, E. Olsén, A. E. O. Persson, V. Trinh, G. Dovner, M. Käll, and E. Olsson, “Multidimensional Hybridization of Dark Surface Plasmons”, ACS Nano, 11 (4), 4265-4274 (2017)
  • R. Jacobs, B. Zheng, B. Puchala, P. M. Voyles, A. B. Yankovich, and D. Morgan, “Counterintuitive Reconstruction of the Polar O-Terminated ZnO Surface with Zinc Vacancies and Hydrogen”, The Journal of Physical Chemistry Letters 7, 4483-4487 (2016)
  • A. B. Yankovich, C. Zhang, A. Oh, T.J.A. Slater, F. Azough, R. Freer, S.J. Haigh, R. Willet, and P. M. Voyles, “Non-rigid registration and non-local principal component analysis to improve electron microscopy spectrum images”, Nanotechnology(Special issue on Big, Deep and Smart Data), 27:354001 (2016)
  • M. Yu, A. B. Yankovich, A. Kaczarowski, D. Morgan, and P. M Voyles, “Integrated Computational and Experimental Structure Refinement for Nanoparticles”, ACS Nano 10 (4) 4031-4038 (2016)
  • A. B. Yankovich, B. Berkels, W. Dahmen, P. Binev, and P. M. Voyles, “High-precision scanning transmission electron microscopy at course pixel sampling for reduced electron dose”, Advanced Structural and Chemical Imaging, 1:2 (2015)
  • N. Mevenkamp, P. Binev, W. Dahmen, P. M. Voyles, A. B. Yankovich, and B. Berkels, “Poisson Noise Removal from High Resolution STEM images based on Periodic Block Matching”, Advanced Structural and Chemical Imaging 1:3 (2015)
  • A. B. Yankovich, B. Berkels, W. Dahmen, P. Binev, S. I. Sanchez, S. A. Bradley, A. Li, I. Szlufarska, and P. M. Voyles, “Picometer-Precision Analysis of Scanning Transmission Electron Microscopy Images of Platinum Nanocatalysts”, Nature Communications, 5:4155 (2014)
  • N. Mevenkamp, A. B. Yankovich, P. M. Voyles and B. Berkels, “Non-local Means for Scanning Trnasmission Electron Microscopy Images and Poisson Noise based on Adaptive Periodic Similarity Search and patch Regularization”, Vision, Modeling, and Visualization, page 63-70 (2014).
  • A. B. Yankovich, A. V. Kvit, X. Li, F. Zhang, V. Avrutin, H. Liu, N. Izyumskaya, Ü. Özgür, B. Van Leer, H. Morkoç, and P. M. Voyles, “Thickness variations and absence of lateral compositional fluctuations in aberration-corrected STEM images of InGaN LED active regions at low dose”, Microscopy and Microanalysis, 20, 3, 864-868 (2014)
  • A. B. Yankovich, B. Puchala, W. Fei, J.-H. Seo, D. Morgan, X. Wang, Z. Ma, A. V. Kvit, and P. M. Voyles, “Stable p-type conduction from Sb-decorated head-to-head basal plane inversion domain boundaries in ZnO nanowires”, Nano Letters, 12 (3) 1311-1316 (2012)
  • H. Y. Liu, N. Izyumskaya, V. Avrutin, Ü. Özgür, A. B. Yankovich, A. V. Kvit, P. M. Voyles, and H. Morkoç, “Donor Behavior of Sb in ZnO”, Journal of Applied Physics, 112(3), 033706 (2012)
  • H. Y. Liu, V. Avrutin, N. Izyumskaya, Ü. Özgür, A. B. Yankovich, A. V. Kvit, and P. M. Voyles, H. Morkoç, “Electron scattering mechanisms in GZO films grown on a-sapphire substrates by plasma-enhanced molecular beam epitaxy”, Journal of Applied Physics, 111, 103713 (2012)
  • A. V. Kvit, A. B. Yankovich, V. Avrutin, H. Liu, N. Izyumskaya, U. Ozgur, H. Morkoç, and P. M. Voyles, “Impurity Distribution and Microstructure of Ga-doped ZnO Films Grown by Molecular Beam Epitaxy”, Journal of Applied Physics, 112, 123527 (2012)
  • A. B. Yankovich, A. V. Kvit, X. Li, F. Zhang, V. Avrutin, H. Y. Liu, N. Izyumskaya, U. Ozgur, H. Morkoç, and P. M. Voyles, “Hexagonal-Based Pyramid Void Defects in GaN and InGaN”, Journal of Applied Physics, 111, 023517, (2011)
  • H. Y. Liu, X. Li, S. Liu, X. Ni, M. Wu, V. Avrutin, N. Izyumskaya, Ü. Özgür, A. B. Yankovich, A. V. Kvit, P. M. Voyles, and H. Morkoç, “InGaN based light emitting diodes utilizing Ga doped ZnO as a highly transparent contact to p-GaN”, Physica Status Solidi (C), 8, 1548-1551 (2011)

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