High Definition Electron Microscopy: Greater clarity via multidimensionality

Project Information

HDEM

Grant agreement ID: 802123

DOI 10.3030/802123

Project closed

EC signature date 31 August 2018

Start date 1 March 2019

End date 31 December 2024

Funded under

• EXCELLENT SCIENCE - European Research Council (ERC)

Total cost € 1 500 000,00

EU contribution € 1 500 000,00

Coordinated by

UNIVERSITEIT ANTWERPEN
Belgium

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Publications

Other (2)

Detecting charge transfer at defects in 2D materials with electron ptychography

Author(s): Christoph Hofer, Jacob Madsen, Toma Susi, Timothy J. Pennycook
Published in: 2025
Publisher: Arxiv
DOI: 10.48550/arxiv.2301.04469

Direct Imaging of Charge Redistribution due to Bonding at Atomic Resolution via Electron Ptychography

Author(s): Martinez, Gerardo T.; Naginey, Timothy C.; Jones, Lewys; O'Leary, Colum M.; Pennycook, Timothy J.; Nicholls, Rebecca J.; Yates, Jonathan R.; Nellist, Peter D.
Published in: Issue 1, 2019
Publisher: arxiv

Conference proceedings (6)

Investigating Direct Focused Probe Ptychography for Single Particle Analysis

Author(s): Christoph Hofer, Chuang Gao, Emiliya Pogosyan, Kimmo Mustonen, Elisabeth Müller, Takashi Ishikawa, Timothy J. Pennycook
Published in: Microscopy and Microanalysis, Issue 28, 2022
Publisher: Cambridge University Press
DOI: 10.1017/s143192762200527x

Phase Retrieval From 4-Dimensional Electron Diffraction Datasets

Author(s): Thomas Friedrich, Chu-Ping Yu, Johan Verbeek, Timothy Pennycook, Sandra Van Aert
Published in: 2021 IEEE International Conference on Image Processing (ICIP), 2022, Page(s) 3453-3457
Publisher: IEEE
DOI: 10.1109/icip42928.2021.9506709

Addressing Thickness Induced Contrast Reversals in Focused Probe Ptychography

Author(s): Chuang Gao, Christoph Hofer, Timothy J. Pennycook
Published in: Microscopy and Microanalysis, Issue 28, 2022
Publisher: Cambridge University Press
DOI: 10.1017/s1431927622002185

A Hybrid Approach to Calibrate the Affine Transformation Between Scan-CameraCoordinates for 4D-STEM Datasets

Author(s): Shoucong Ning, Wenhui Xu, Yinhang Ma, Leyi Loh, Timothy J Pennycook, Wu Zhou, Fucai Zhang, Michel Bosman, Stephen J Pennycook, N Duane Loh, Qian He
Published in: Microscopy and Microanalysis, Issue 28, 2022, Page(s) 2532
Publisher: Cambridge University Press
DOI: 10.1017/s1431927622009679

Few-tilt Electron Ptychotomography: A New Method to Determine the 3D Structureof 2D Materials with High-precision and Low-dose

Author(s): Christoph Hofer, Kimmo Mustonen, Viera Skákalová, Timothy J. Pennycook
Published in: Microscopy and Microanalysis, Issue 28, 2022
Publisher: Cambridge University Press
DOI: 10.1017/s1431927622009655

Ab initio Electrostatic Potentials for 4D-STEM Ptychographic Reconstruction

Author(s): Jacob Madsen, Christoph Hofer, Thomas C. Pekin, Marcel Schloz, Thuy An Bui, Christoph Koch, Timothy J. Pennycook and Toma Susi
Published in: Microscopy and Microanalysis, Issue 28, 2022, Page(s) 2526-2527
Publisher: Cambridge University Press
DOI: 10.1017/s143192762200229x

Peer reviewed articles (18)

Comparing Ptychographic Methods for Maximum Low Dose Performance

Author(s): Tamazouzt Chennit, Christoph Hofer, Biao Yuan, Songge Li, Andrew Maiden, Timothy J Pennycook
Published in: Microscopy and Microanalysis, Issue 30, 2024, ISSN 1431-9276
Publisher: Cambridge University Press
DOI: 10.1093/mam/ozae044.929

Picometer-precision few-tilt ptychotomography of 2D materials

Author(s): Christoph Hofer, Kimmo Mustonen, Viera Skákalová, Timothy J Pennycook
Published in: 2D Materials, Issue 10, 2023, Page(s) 035029, ISSN 2053-1583
Publisher: IOP
DOI: 10.1088/2053-1583/acdd80

Two-Dimensional Halide Pb-Perovskite–Double Perovskite Epitaxial Heterostructures

Author(s): Ajeet Singh, Biao Yuan, Md. Habibur Rahman, Hanjun Yang, Angana De, Jee Yung Park, Shuchen Zhang, Libai Huang, Arun Mannodi-Kanakkithodi, Timothy J. Pennycook, Letian Dou
Published in: Journal of the American Chemical Society, Issue 145, 2023, Page(s) 19885-19893, ISSN 0002-7863
Publisher: American Chemical Society
DOI: 10.1021/jacs.3c06127

Event driven 4D STEM acquisition with a Timepix3 detector: Microsecond dwell time and faster scans for high precision and low dose applications

Author(s): D. Jannis, C. Hofer, C. Gao, X. Xie, A. Béché, T.J. Pennycook, J. Verbeeck
Published in: Ultramicroscopy, Issue 233, 2022, Page(s) 113423, ISSN 0304-3991
Publisher: Elsevier BV
DOI: 10.1016/j.ultramic.2021.113423

Open-Source Phase Reconstructions of Focused-Probe 4D-STEM Data with Near-Ideal Direct-Electron Detection

Author(s): Toma Susi, Niklas Dellby, Russ Hayner, Christoph Hofer, Jani Kotakoski, Tracy Clark Lovejoy, Clemens Mangler, Andreas Mittelberger, Timothy J Pennycook, Benjamin Plotkin-Swing
Published in: Microscopy and Microanalysis, Issue 30, 2024, ISSN 1431-9276
Publisher: Cambridge University Press
DOI: 10.1093/mam/ozae044.920

Making the link between ADF and 4D STEM: Resolution, transfer and coherence

Author(s): Peter D. Nellist, Timothy J. Pennycook
Published in: Chinese Physics B, Issue 33, 2024, Page(s) 116803, ISSN 1674-1056
Publisher: Chinese Physical Society
DOI: 10.1088/1674-1056/ad8554

Near-Ideal Direct-Electron Focused-Probe 4D-STEM Data for Open-Source Phase Reconstructions

Author(s): Toma Susi, Niklas Dellby, Russ Hayner, Christoph Hofer, Jani Kotakoski, Tracy Clark Lovejoy, Clemens Mangler, Andreas Mittelberger, Timothy J. Pennycook, Benjamin Plotkin-Swing
Published in: BIO Web of Conferences, Issue 129, 2024, Page(s) 04003, ISSN 2117-4458
Publisher: EDP Sciences
DOI: 10.1051/bioconf/202412904003

Phase offset method of ptychographic contrast reversal correction

Author(s): Christoph Hofer, Chuang Gao, Tamazouzt Chennit, Biao Yuan, Timothy J. Pennycook
Published in: Ultramicroscopy, Issue 258, 2024, Page(s) 113922, ISSN 0304-3991
Publisher: Elsevier BV
DOI: 10.1016/j.ultramic.2024.113922

Reliable phase quantification in focused probe electron ptychography of thin materials

Author(s): Christoph Hofer, Timothy J. Pennycook
Published in: Ultramicroscopy, Issue 254, 2024, Page(s) 113829, ISSN 0304-3991
Publisher: Elsevier BV
DOI: 10.1016/j.ultramic.2023.113829

ab initio description of bonding for transmission electron microscopy

Author(s): Jacob Madsen, Timothy J. Pennycook, Toma Susi
Published in: Ultramicroscopy, 2021, Page(s) 113253, ISSN 0304-3991
Publisher: Elsevier BV
DOI: 10.1016/j.ultramic.2021.113253

Toward Exotic Layered Materials: 2D Cuprous Iodide

Author(s): Kimmo Mustonen; Christoph Hofer; Peter Kotrusz; Alexander Markevich; Martin Hulman; Clemens Mangler; Toma Susi; Timothy J. Pennycook; Karol Hricovini; Christine Richter; Jannik C. Meyer; Jani Kotakoski; Viera Skákalová
Published in: Advanced Materials, Issue 34, 2021, Page(s) 2106922, ISSN 0935-9648
Publisher: United Nations Industrial Developement Organization
DOI: 10.48550/arxiv.2109.08456

Accurate and Robust Calibration of the Uniform Affine Transformation Between Scan-Camera Coordinates for Atom-Resolved In-Focus 4D-STEM Datasets

Author(s): Shoucong Ning, Wenhui Xu, Yinhang Ma, Leyi Loh, Timothy J Pennycook, Wu Zhou, Fucai Zhang, Michel Bosman, Stephen J Pennycook, Qian He, N Duane Loh
Published in: Microscopy and Microanalysis, Issue 28, 2022, Page(s) 1, ISSN 1431-9276
Publisher: Cambridge University Press
DOI: 10.1017/s1431927622000320

On central focusing for contrast optimization in direct electron ptychography of thick samples

Author(s): C. Gao, C. Hofer, T.J. Pennycook
Published in: Ultramicroscopy, Issue 256, 2024, Page(s) 113879, ISSN 0304-3991
Publisher: Elsevier BV
DOI: 10.1016/j.ultramic.2023.113879

Deterministic Synthesis of a Two-Dimensional MAPbI₃ Nanosheet and Twisted Structure with Moiré Superlattice

Author(s): Shuchen Zhang, Ke Ma, Biao Yuan, Jiaqi Yang, Yuan Lu, Dewei Sun, Jee Yung Park, Zitang Wei, Arun Mannodi-Kanakkithodi, Yi Yu, Libai Huang, Timothy J. Pennycook, Letian Dou
Published in: Journal of the American Chemical Society, Issue 146, 2024, Page(s) 27861-27870, ISSN 0002-7863
Publisher: American Chemical Society
DOI: 10.1021/jacs.4c10298

Large‐Scale 2D Perovskite Nanocrystals Photodetector Array via Ultrasonic Spray Synthesis

Author(s): Yoon Ho Lee, Won‐June Lee, Gang San Lee, Jee Yung Park, Biao Yuan, Yousang Won, Jungho Mun, Hanjun Yang, Sung‐Doo Baek, Haeun Lee, Joon Hak Oh, Timothy J. Pennycook, Gwangwoo Kim, Jianguo Mei, Letian Dou
Published in: Advanced Materials, 2025, ISSN 0935-9648
Publisher: United Nations Industrial Developement Organization
DOI: 10.1002/adma.202417761

Assessing Ptychographic Methods for Maximum Low Dose Performance

Author(s): Tamazouzt Chennit, Christoph Hofer, Biao Yuan, Songge Li, Andrew Maiden, Timothy Pennycook
Published in: BIO Web of Conferences, Issue 129, 2024, Page(s) 04034, ISSN 2117-4458
Publisher: EDP Sciences
DOI: 10.1051/bioconf/202412904034

Overcoming contrast reversals in focused probe ptychography of thick materials: An optimal pipeline for efficiently determining local atomic structure in materials science

Author(s): C. Gao, C. Hofer, D. Jannis, A. Béché, J. Verbeeck, and T. J. Pennycook
Published in: Applied Physics Letters, Issue 121, 2022, Page(s) 081906, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/5.0101895

Efficient Phase Contrast Imaging via Electron Ptychography, a Tutorial

Author(s): Timothy J. Pennycook, Gerardo T. Martinez, Colum M. O'Leary, Hao Yang, Peter D. Nellist
Published in: Microscopy and Microanalysis, Issue Volume 25, 2019, Page(s) 2684-2685, ISSN 1431-9276
Publisher: Cambridge University Press
DOI: 10.1017/s1431927619014156