Maik Kahnt

2025

Nano-XRF of lung fibrotic tissue reveals unexplored Ca, Zn, S and Fe metabolism: a novel approach to chronic lung diseases

Falcones, B., Kahnt, M., Johansson, U., Svobodová, B., von Wachenfelt, K. A., Brunmark, C., Dellgren, G., Elowsson, L., Thånell, K. & Westergren-Thorsson, G., 2025 Dec, In: Cell Communication and Signaling. 23, 1, p. 1-11 67.

Research output: Contribution to journal › Article › peer-review

Open Access

Ptychographic reconstructions performed in real time and offline have equivalent quality

Lexelius, R., Kahnt, M. & Maia, F. R. N. C., 2025 Dec, In: Scientific Reports. 15, 1, 14674.

Research output: Contribution to journal › Article › peer-review

Open Access

Ultrahigh-pressure crystallographic passage towards metallic hydrogen

Ji, C., Li, B., Luo, J., Zhao, Y., Liu, Y., Glazyrin, K., Björling, A., Marçal, L. A. B., Kahnt, M., Kalbfleisch, S., Liu, W., Gao, Y., Wang, J., Mao, W. L., Liu, H., Ma, Y., Ding, Y., Yang, W. & Mao, H. K., 2025 May 22, In: Nature. 641, 8064, p. 904-909 6 p., 255701.

Research output: Contribution to journal › Article › peer-review

Multi-beam multi-slice X-ray ptychography

Åstrand, M., Vogt, U., Yang, R., Villanueva Perez, P., Li, T., Lyubomirskiy, M. & Kahnt, M., 2025 Mar 18, In: Scientific Reports. 15, 1, 7 p., 9273.

Research output: Contribution to journal › Article › peer-review

Open Access

2024

3D imaging of magnetic domains in Nd₂Fe₁₄B using scanning hard X-ray nanotomography

Banerjee, S., Gürsoy, D., Deng, J., Kahnt, M., Kramer, M., Lynn, M., Haskel, D. & Strempfer, J., 2024 Jul 1, In: Journal of Synchrotron Radiation. 31, Pt 4, p. 877-887 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Adaptive multi-beam X-ray ptychography

Åstrand, M., Kahnt, M., Johansson, U. & Vogt, U., 2024 Jun 17, In: Optics Express. 32, 13, p. 22771-22780 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Multimodal Hard X-Ray Nanotomography Probes Pore Accessibility of Technical Catalysts after Coking

Weber, S., Karpov, D., Kahnt, M., Diaz, A., Romanenko, Y., Kotrel, S., Haas, A., Hinrichsen, B., Bottke, N., Grunwaldt, J. D., Schunk, S. & Sheppard, T. L., 2024, In: ChemCatChem. 16, 22

Research output: Contribution to journal › Article › peer-review

Open Access

Restructuring of Ag catalysts for methanol to formaldehyde conversion studied using in situ X-ray ptychography and electron microscopy

Das, S., Kahnt, M., van Valen, Y., Bergh, T., Blomberg, S., Lyubomirskiy, M., Schroer, C. G., Venvik, H. J. & Sheppard, T. L., 2024, In: Catalysis Science and Technology. 14, 20, p. 5885-5898 14 p.

Research output: Contribution to journal › Article › peer-review

Open Access

X-Ray Multibeam Ptychography at up to 20 keV: Nano-Lithography Enhances X-Ray Nano-Imaging

Li, T., Kahnt, M., Sheppard, T. L., Yang, R., Falch, K. V., Zvagelsky, R., Villanueva-Perez, P., Wegener, M. & Lyubomirskiy, M., 2024, In: Advanced Science. 11, 30

Research output: Contribution to journal › Article › peer-review

Open Access

2023

Current capabilities of the imaging endstation at the NanoMAX beamline

Kahnt, M., Selberg, J., Vogt, U., Åstrand, M., Björling, A., Kalbfleisch, S., Andreasen, J. W., Thånell, K. & Johansson, U., 2023 Sept 27.

Research output: Contribution to conference › Paper, not in proceeding › peer-review

Multi-beam ptychography with coded in-line Fresnel zone plates

Astrand, M., Kahnt, M., Johansson, U. & Vogt, U., 2023, X-Ray Nanoimaging: Instruments and Methods VI. Lai, B. & Somogyi, A. (eds.). SPIE, Vol. 12698. 1269807-1. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12698).

Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review

2022

Multi-beam X-ray ptychography using coded probes for rapid non-destructive high resolution imaging of extended samples

Lyubomirskiy, M., Wittwer, F., Kahnt, M., Koch, F., Kubec, A., Falch, K. V., Garrevoet, J., Seyrich, M., David, C. & Schroer, C. G., 2022 Dec, In: Scientific Reports. 12, 1, 6203.

Research output: Contribution to journal › Article › peer-review

Open Access

Complete alignment of a KB-mirror system guided by ptychography

Kahnt, M., Kalbfleisch, S., Björling, A., Malm, E., Pickworth, L. & Johansson, U., 2022 Nov 7, In: Optics Express. 30, 23, p. 42308-42322 15 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Design and performance of a dedicated coherent X-ray scanning diffraction instrument at beamline NanoMAX of MAX IV

Carbone, D., Kalbfleisch, S., Johansson, U., Björling, A., Kahnt, M., Sala, S., Stankevic, T., Rodriguez-Fernandez, A., Bring, B., Matej, Z., Bell, P., Erb, D., Hardion, V., Weninger, C., Al-Sallami, H., Lidon-Simon, J., Carlson, S., Jerrebo, A., Norsk Jensen, B. & Bjermo, A. & 2 others, Åhnberg, K. & Roslund, L., 2022 May 1, In: Journal of Synchrotron Radiation. 29, p. 876-887 12 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Dose-efficient multimodal microscopy of human tissue at a hard X-ray nanoprobe beamline

Sala, S., Zhang, Y., De La Rosa, N., Dreier, T., Kahnt, M., Langer, M., Dahlin, L., Bech, M., Villanueva Perez, P. & Kalbfleisch, S., 2022 Mar 16, In: Journal of Synchrotron Radiation. 29, 3

Research output: Contribution to journal › Article › peer-review

Open Access

Evolution of Hierarchically Porous Nickel Alumina Catalysts Studied by X-Ray Ptychography

Weber, S., Diaz, A., Holler, M., Schropp, A., Lyubomirskiy, M., Abel, K. L., Kahnt, M., Jeromin, A., Kulkarni, S., Keller, T. F., Gläser, R. & Sheppard, T. L., 2022 Mar 1, In: Advanced science (Weinheim, Baden-Wurttemberg, Germany). 9, 8, p. e2105432

Research output: Contribution to journal › Article › peer-review

Open Access

X-ray in-line holography and holotomography at the NanoMAX beamline

Kalbfleisch, S., Zhang, Y., Kahnt, M., Buakor, K., Langer, M., Dreier, T., Dierks, H., Stjärneblad, P., Larsson, E., Gordeyeva, K., Chayanun, L., Söderberg, D., Wallentin, J., Bech, M. & Villanueva-Perez, P., 2022 Jan 1, In: Journal of Synchrotron Radiation. 29, Pt 1, p. 224-229 6 p.

Research output: Contribution to journal › Article › peer-review

Open Access

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The nanoscale distribution of copper and its influence on charge collection in CdTe solar cells

Walker, T., Stuckelberger, M. E., Nietzold, T., Mohan-Kumar, N., Ossig, C., Kahnt, M., Wittwer, F., Lai, B., Salomon, D., Colegrove, E. & Bertoni, M. I., 2022 Jan, In: Nano Energy. 91, 106595.

Research output: Contribution to journal › Article › peer-review

GPU-Accelerated Coupled Ptychographic Tomography

Achilles, S., Ehrig, S., Hoffmann, N., Kahnt, M., Becher, J., Fam, Y., Sheppard, T., Brückner, D., Schropp, A. & Schroer, C. G., 2022, Developments in X-Ray Tomography XIV. Muller, B. & Wang, G. (eds.). SPIE, 9 p. 122420N. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12242).

Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review

2021

Measurement of the coherent beam properties at the CoSAXS beamline

Kahnt, M., Klementiev, K., Haghighat, V., Weninger, C., Plivelic, T. S., Terry, A. E. & Björling, A., 2021 Nov 1, In: Journal of Synchrotron Radiation. 28, p. 1948-1953 6 p.

Research output: Contribution to journal › Article › peer-review

Open Access

NanoMAX: The hard X-ray nanoprobe beamline at the MAX IV Laboratory

Johansson, U., Carbone, D., Kalbfleisch, S., Björling, A., Kahnt, M., Sala, S., Stankevic, T., Liebi, M., Fernandez, A. R., Bring, B., Paterson, D., Thanell, K., Bell, P., Erb, D., Weninger, C., Matej, Z., Roslund, L., Ahnberg, K., Jensen, B. N. & Tarawneh, H. & 2 others, Mikkelsen, A. & Vogt, U., 2021 Nov 1, In: Journal of Synchrotron Radiation. 28, p. 1935-1947 13 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Contrast - a lightweight Python framework for beamline orchestration and data acquisition

Björling, A., Weninger, C., Kahnt, M., Kalbfleisch, S., Johansson, U., Sala, S., Lenrick, F. & Thånell, K., 2021 Jul 1, In: Journal of Synchrotron Radiation. 28, 4, p. 1253-1260 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Planar refractive lenses made of SiC for high intensity nanofocusing

Lyubomirskiy, M., Schurink, B., Makhotkin, I. A., Brueckner, D., Wittwer, F., Kahnt, M., Seyrich, M., Seiboth, F., Bijkerk, F. & Schroer, C. G., 2021 Apr 26, In: Optics Express. 29, 9, p. 14025-14032 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Multi-slice ptychography enables high-resolution measurements in extended chemical reactors

Kahnt, M., Grote, L., Brückner, D., Seyrich, M., Wittwer, F., Koziej, D. & Schroer, C. G., 2021, In: Scientific Reports. 11, 1, 1500.

Research output: Contribution to journal › Article › peer-review

Open Access

Upscaling of multi-beam x-ray ptychography for efficient x-ray microscopy with high resolution and large field of view

Wittwer, F., Lyubomirskiy, M., Koch, F., Kahnt, M., Seyrich, M., Garrevoet, J., David, C. & Schroer, C. G., 2021, In: Applied Physics Letters. 118, 17, 6 p., 171102.

Research output: Contribution to journal › Article › peer-review

2020

A direct solver for the phase retrieval problem in ptychographic imaging

Sissouno, N., Boßmann, F., Filbir, F., Iwen, M., Kahnt, M., Saab, R., Schroer, C. & zu Castell, W., 2020 Oct, In: Mathematics and Computers in Simulation. 176, p. 292-300 9 p.

Research output: Contribution to journal › Article › peer-review

Hard X-ray wavefront correction via refractive phase plates made by additive and subtractive fabrication techniques

Seiboth, F., Brückner, D., Kahnt, M., Lyubomirskiy, M., Wittwer, F., Dzhigaev, D., Ullsperger, T., Nolte, S., Koch, F., David, C., Garrevoet, J., Falkenberg, G. & Schroer, C. G., 2020 Sept 1, In: Journal of Synchrotron Radiation. 27, p. 1121-1130 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

PtyNAMi: Ptychographic nano-analytical microscope

Schropp, A., Dohrmann, R., Botta, S., Bruckner, D., Kahnt, M., Lyubomirskiy, M., Ossig, C., Scholz, M., Seyrich, M., Stuckelberger, M. E., Wiljes, P., Wittwer, F., Garrevoet, J., Falkenberg, G., Fam, Y., Sheppard, T. L., Grunwaldtd, J. D. & Schroer, C. G., 2020 Aug 1, In: Journal of Applied Crystallography. 53, p. 957-971 15 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Tomographic reconstruction with a generative adversarial network

Yang, X., Kahnt, M., Bruckner, D., Schropp, A., Fam, Y., Becher, J., Grunwaldt, J. D., Sheppard, T. L. & Schroer, C. G., 2020 Mar 1, In: Journal of Synchrotron Radiation. 27, p. 486-493 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Ptychographic characterization of a coherent nanofocused X-ray beam

Björling, A., Kalbfleisch, S., Kahnt, M., Sala, S., Parfeniukas, K., Vogt, U., Carbone, G. & Johansson, U., 2020 Feb 17, In: Optics Express. 28, 4, p. 5069-5076 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

First ptychographic X-ray computed tomography experiment on the NanoMAX beamline

Kahnt, M., Sala, S., Johansson, U., Bjorling, A., Jiang, Z., Kalbfleisch, S., Lenrick, F., Pikul, J. H. & Thanell, K., 2020, In: Journal of Applied Crystallography. 53, p. 1444-1451 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2019

Refractive hard x-ray vortex phase plates

Seiboth, F., Kahnt, M., Lyubomirskiy, M., Seyrich, M., Wittwer, F., Ullsperger, T., Nolte, S., Batey, D., Rau, C. & Schroer, C. G., 2019 Sept 15, In: Optics Letters. 44, 18, p. 4622-4625 4 p.

Research output: Contribution to journal › Article › peer-review

A versatile nanoreactor for complementary in situ X-ray and electron microscopy studies in catalysis and materials science

Fam, Y., Sheppard, T. L., Becher, J., Scherhaufer, D., Lambach, H., Kulkarni, S., Keller, T. F., Wittstock, A., Wittwer, F., Seyrich, M., Brueckner, D., Kahnt, M., Yang, X., Schropp, A., Stierle, A., Schroer, C. G. & Grunwaldt, J. D., 2019 Sept 1, In: Journal of Synchrotron Radiation. 26, p. 1769-1781 13 p.

Research output: Contribution to journal › Article › peer-review

Ptychographic characterization of polymer compound refractive lenses manufactured by additive technology

Lyubomirskiy, M., Koch, F., Abrashitova, K. A., Bessonov, V. O., Kokareva, N., Petrov, A., Seiboth, F., Wittwer, F., Kahnt, M., Seyrich, M., Fedyanin, A. A., David, C. & Schroer, C. G., 2019 Mar 18, In: Optics Express. 27, 6, p. 8639-8650 12 p.

Research output: Contribution to journal › Article › peer-review

Coupled ptychography and tomography algorithm improves reconstruction of experimental data

Kahnt, M., Becher, J., Brückner, D., Fam, Y., Sheppard, T., Weissenberger, T., Wittwer, F., Grunwaldt, J. D., Schwieger, W. & Schroer, C. G., 2019 Jan 1, In: Optica. 6, 10, p. 1282-1289 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Ptychographic Nano-Analytical Microscope (PtyNAMi) at PETRA III: Signal-to-background optimization for imaging with high sensitivity

Schroer, C. G., Seyrich, M., Schropp, A., Döhrmann, R., Botta, S., Wiljes, P., Brückner, D., Kahnt, M., Wittwer, F., Grote, L., Koziej, D., Garrevoet, J. & Falkenberg, G., 2019 Jan 1, X-Ray Nanoimaging: Instruments and Methods IV. Lai, B. & Somogyi, A. (eds.). SPIE, 111120D. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 11112).

Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review

Synthesis and Characterisation of Hierarchically Structured Titanium Silicalite-1 Zeolites with Large Intracrystalline Macropores

Weissenberger, T., Leonhardt, R., Zubiri, B. A., Pitínová-Štekrová, M., Sheppard, T. L., Reiprich, B., Bauer, J., Dotzel, R., Kahnt, M., Schropp, A., Schroer, C. G., Grunwaldt, J. D., Casci, J. L., Čejka, J., Spiecker, E. & Schwieger, W., 2019 Jan 1, In: Chemistry - A European Journal.

Research output: Contribution to journal › Article › peer-review

3D nano-tomography using coherent X-rays

Kahnt, M., 2019, Hamburg: Staats- und Universitätsbibliothek Hamburg . 126 p.

Research output: Thesis › Doctoral Thesis (monograph)

Open Access

Mapping the Pore Architecture of Structured Catalyst Monoliths from Nanometer to Centimeter Scale with Electron and X-ray Tomographies

Becher, J., Sheppard, T. L., Fam, Y., Baier, S., Wang, W., Wang, D., Kulkarni, S., Keller, T. F., Lyubomirskiy, M., Brueckner, D., Kahnt, M., Schropp, A., Schroer, C. G. & Grunwaldt, J. D., 2019, In: Journal of Physical Chemistry C. 123, 41, p. 25197-25208 12 p.

Research output: Contribution to journal › Article › peer-review

2018

Nanofocusing with aberration-corrected rotationally parabolic refractive X-ray lenses

Seiboth, F., Wittwer, F., Scholz, M., Kahnt, M., Seyrich, M., Schropp, A., Wagner, U., Rau, C., Garrevoet, J., Falkenberg, G. & Schroer, C. G., 2018 Jan 1, In: Journal of Synchrotron Radiation. 25, 1, p. 108-115 8 p.

Research output: Contribution to journal › Article › peer-review

2017

Structure and Composition of Isolated Core-Shell (In,Ga) N/GaN Rods Based on Nanofocus X-Ray Diffraction and Scanning Transmission Electron Microscopy

Krause, T., Hanke, M., Nicolai, L., Cheng, Z., Niehle, M., Trampert, A., Kahnt, M., Falkenberg, G., Schroer, C. G., Hartmann, J., Zhou, H., Wehmann, H. H. & Waag, A., 2017 Feb 28, In: Physical Review Applied. 7, 2, 024033.

Research output: Contribution to journal › Article › peer-review

PtyNAMi: Ptychographic nano-analytical microscope at PETRA III - Interferometrically tracking positions for 3D x-ray scanning microscopy using a ball-lens retroreflector

Schroer, C. G., Seyrich, M., Kahnt, M., Botta, S., Döhrmann, R., Falkenberg, G., Garrevoet, J., Lyubomirskiy, M., Scholz, M., Schropp, A. & Wittwer, F., 2017 Jan 1, X-Ray Nanoimaging: Instruments and Methods III. Somogyi, A. & Lai, B. (eds.). SPIE, Vol. 10389. 103890E

Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review

2016

Hard x-ray nanoprobe of beamline P06 at PETRA III

Schroer, C. G., Baumbach, C., Döhrmann, R., Klare, S., Hoppe, R., Kahnt, M., Patommel, J., Reinhardt, J., Ritter, S., Samberg, D., Scholz, M., Schropp, A., Seiboth, F., Seyrich, M., Wittwer, F. & Falkenberg, G., 2016 Jul 27, Proceedings of the 12th International Conference on Synchrotron Radiation Instrumentation, SRI 2015. Chubar, O., Jarrige, I., Kaznatcheev, K., Miller, L., Stavitski, E., Tanabe, T., Shaftan, T., Shen, Q., Pindak, R., Nelson, C., Kalbfleisch, S., Thieme, J., Williams, G., Fuchs, M., Rumaiz, A., Wang, J., Evans-Lutterodt, K., Lee, W.-K., McSweeney, S. & Vescovo, E. (eds.). American Institute of Physics (AIP), Vol. 1741. 030007

Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review

Quantitative characterization of aberrations in x-ray optics

Seiboth, F., Kahnt, M., Scholz, M., Seyrich, M., Wittwer, F., Garrevoet, J., Falkenberg, G., Schropp, A. & Schroer, C. G., 2016 Jan 1, Advances in X-Ray/EUV Optics and Components XI. Morawe, C., Khounsary, A. M. & Goto, S. (eds.). SPIE, Vol. 9963. 99630P

Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › peer-review

Maik Kahnt

Research output

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