Assoc.Prof. Dr.techn. Dipl.-Ing. Stefan Löffler

Stefan Löffler

We're developing new techniques for investigations being more precise.

60peer-reviewed papers

2nature publications

19h-Factor

39invited talks

1300citations

CV

2003 - 2009 studies at TU Wien & Uppsala University, opens an external URL in a new window
2009 Dipl.-Ing (MSc)

2009 - 2013 PhD at TU Wien
2013 Dr. techn. (PhD)

2013 - 2015: PostDoc TU Wien
2015 - 2016: PostDoc Canadian Centre for Electron Microscopy, opens an external URL in a new window at McMaster University, opens an external URL in a new window
2016 - 2018: PostDoc TU Wien
2018 - 2023: Assistant Professor, TU Wien
2023: Habilitation (venia docendi)
since 2034: Assosciate Professor, TU Wien

Publications

Ederer, M., & Löffler, S. (2024). Optimizing experimental parameters for orbital mapping. Ultramicroscopy, 256, Article 113866. https://doi.org/10.1016/j.ultramic.2023.113866, opens an external URL in a new window
| Optimizing experimental parameters for orbital mapping at reposiTUm , opens an external URL in a new window
Bugnet, M., Löffler, S., Ederer, M., Kepaptsoglou, D. M., & Ramasse, Q. M. (2024). Current opinion on the prospect of mapping electronic orbitals in the transmission electron microscope: State of the art, challenges and perspectives. Journal of Microscopy. https://doi.org/10.1111/jmi.13321, opens an external URL in a new window
| Current opinion on the prospect of mapping electronic orbitals in the transmission electron microscope: State of the art, challenges and perspectives at reposiTUm , opens an external URL in a new window

Löffler, S., & Ederer, M. (2023). 4D Energy-Filtered STEM: A New Approach for Mapping Orbital Transitions. Microscopy and Microanalysis, 29(Supplement_1), 376–376. https://doi.org/10.34726/5201, opens an external URL in a new window
| 4D Energy-Filtered STEM: A New Approach for Mapping Orbital Transitions at reposiTUm , opens an external URL in a new window
Löffler, S., Schachinger, T., Hartel, P., Lu, P.-H., Dunin-Borkowski, R., Obermair, M., Dries, M., Gerthsen, D., & Schattschneider, P. (2023). A quantum logic gate for free electrons. Quantum, 7, Article 1050. https://doi.org/10.22331/q-2023-07-11-1050, opens an external URL in a new window
| A quantum logic gate for free electrons at reposiTUm , opens an external URL in a new window
Pfeiffer, S., Baumgartner, T., Löffler, S., Stöger-Pollach, M., Hopkins, S. C., Ballarino, A., Eisterer, M., & Bernardi, J. (2023). Analysis of inhomogeneities in Nb₃Sn wires by combined SEM and SHPM and their impact on Jc and Tc. Superconductor Science and Technology, 36(4), Article 045008. https://doi.org/10.1088/1361-6668/acb857, opens an external URL in a new window
| Analysis of inhomogeneities in Nb₃Sn wires by combined SEM and SHPM and their impact on Jc and Tc at reposiTUm , opens an external URL in a new window

Ederer, M., & Löffler, S. (2022). Image difference metrics for high-resolution electron microscopy. Ultramicroscopy, 240, Article 113578. https://doi.org/10.1016/j.ultramic.2022.113578, opens an external URL in a new window
| Image difference metrics for high-resolution electron microscopy at reposiTUm , opens an external URL in a new window
Löffler, S. (2022). Unitary two-state quantum operators realized by quadrupole fields in the electron microscope. Ultramicroscopy, 234, Article 113456. https://doi.org/10.1016/j.ultramic.2021.113456, opens an external URL in a new window
| Unitary two-state quantum operators realized by quadrupole fields in the electron microscope at reposiTUm , opens an external URL in a new window
Bugnet, M., Ederer, M., Lazarov, V. K., Li, L., Ramasse, Q. M., Löffler, S., & Kepaptsoglou, D. M. (2022). Imaging the Spatial Distribution of Electronic States in Graphene Using Electron Energy-Loss Spectroscopy: Prospect of Orbital Mapping. Physical Review Letters, 128(11), Article 116401. https://doi.org/10.1103/PhysRevLett.128.116401, opens an external URL in a new window
| Imaging the Spatial Distribution of Electronic States in Graphene Using Electron Energy-Loss Spectroscopy: Prospect of Orbital Mapping at reposiTUm , opens an external URL in a new window
Lammer, J., Berger, C., Löffler, S., Knez, D., Longo, P., Kothleitner, G., Hofer, F., Haberfehlner, G., Bucher, E., Sitte, W., & Grogger, W. (2022). A method for a column-by-column EELS quantification of barium lanthanum ferrate. Ultramicroscopy, 234, Article 113477. https://doi.org/10.1016/j.ultramic.2022.113477, opens an external URL in a new window
| A method for a column-by-column EELS quantification of barium lanthanum ferrate at reposiTUm , opens an external URL in a new window

Lindenthal, L., Popovic, J., Rameshan, R., Huber, J., Schrenk, F., Ruh, T., Nenning, A., Löffler, S., Opitz, A. K., & Rameshan, C. (2021). Novel perovskite catalysts for CO2 utilization - Exsolution enhanced reverse water-gas shift activity. Applied Catalysis B: Environmental, 292, 1–12. https://doi.org/10.1016/j.apcatb.2021.120183, opens an external URL in a new window
| Novel perovskite catalysts for CO2 utilization - Exsolution enhanced reverse water-gas shift activity at reposiTUm , opens an external URL in a new window
Bugnet, M., Ederer, M., Lazarov, V., Ramasse, Q., Löffler, S., & Kepaptsoglou, D. (2021). Imaging the spatial distribution of π* states in graphene using aberration-corrected and monochromated STEM-EELS: towards orbital mapping. Microscopy and Microanalysis, 27(S1), 134–135. https://doi.org/10.1017/s1431927621001094, opens an external URL in a new window
| Imaging the spatial distribution of π* states in graphene using aberration-corrected and monochromated STEM-EELS: towards orbital mapping at reposiTUm , opens an external URL in a new window
Lindenthal, L., Huber, J., Drexler, H., Ruh, T., Rameshan, R., Schrenk, F., Löffler, S., & Rameshan, C. (2021). In Situ Growth of Exsolved Nanoparticles under Varying rWGS Reaction Conditions-A Catalysis and Near Ambient Pressure-XPS Study. Catalysts, 11(12), 1484. https://doi.org/10.3390/catal11121484, opens an external URL in a new window
| In Situ Growth of Exsolved Nanoparticles under Varying rWGS Reaction Conditions-A Catalysis and Near Ambient Pressure-XPS Study at reposiTUm , opens an external URL in a new window
Lindenthal, L., Popovic, J., Rameshan, R., Huber, J., Schrenk, F., Ruh, T., Nenning, A., Löffler, S., Opitz, A., & Rameshan, C. (2021). Novel Perovskite Catalysts for CO2 Utilization - Exsolution Enhanced Reverse Water-Gas Shift Activity. Applied Catalysis B: Environmental, 292(120183), 120183. https://doi.org/10.1016/j.apcatb.2021.120183, opens an external URL in a new window
| Novel Perovskite Catalysts for CO2 Utilization - Exsolution Enhanced Reverse Water-Gas Shift Activity at reposiTUm , opens an external URL in a new window
Löffler, S., Stöger-Pollach, M., Steiger-Thirsfeld, A., Hetaba, W., & Schattschneider, P. (2021). Exploiting the Acceleration Voltage Dependence of EMCD. Materials, 14(5), 1314. https://doi.org/10.3390/ma14051314, opens an external URL in a new window
| Exploiting the Acceleration Voltage Dependence of EMCD at reposiTUm , opens an external URL in a new window
Moros, A., Ortino, M., Löffler, S., Alekseev, M., Tsapleva, A., Lukyanov, P., Abdyukhanov, I. M., Pantsyrny, V., Hopkins, S. C., Eisterer, M., Stöger-Pollach, M., & Bernardi, J. (2021). Nb3Sn Wires for the Future Circular Collider at CERN: Microstructural Investigation of Different Wire Layouts. IEEE Transactions on Applied Superconductivity, 31(5), 1–5. https://doi.org/10.1109/tasc.2021.3066541, opens an external URL in a new window
| Nb3Sn Wires for the Future Circular Collider at CERN: Microstructural Investigation of Different Wire Layouts at reposiTUm , opens an external URL in a new window
Schachinger, T., Hartel, P., Lu, P., Löffler, S., Obermair, M., Dries, M., Gerthens, D., Dunin-Borkowski, R., & Schattschneider, P. (2021). Experimental realization of a 𝜋/2 vortex mode converter for electrons using a spherical aberration corrector. Ultramicroscopy, 229(113340), 113340. https://doi.org/10.1016/j.ultramic.2021.113340, opens an external URL in a new window
| Experimental realization of a 𝜋/2 vortex mode converter for electrons using a spherical aberration corrector at reposiTUm , opens an external URL in a new window
Stöger-Pollach, M., & Löffler, S. (2021). Electron energy loss spectroscopy and energy filtered transmission electron microscopy. In A. Walter, J. G. Mannheim, & C. J. Caruana (Eds.), Imaging Modalities for Biological and Preclinical Research: A Compendium, Volume 1: Part I: Ex vivo biological imaging. IOP Publishing. https://doi.org/10.1088/978-0-7503-3059-6ch40, opens an external URL in a new window
| Electron energy loss spectroscopy and energy filtered transmission electron microscopy at reposiTUm , opens an external URL in a new window

Stöger-Pollach, M., Löffler, S., Maurer, N., & Bukvišová, K. (2020). Using Čerenkov radiation for measuring the refractive index in thick samples by interferometric cathodoluminescence. Ultramicroscopy, 214, Article 113011. https://doi.org/10.1016/j.ultramic.2020.113011, opens an external URL in a new window
| Using Čerenkov radiation for measuring the refractive index in thick samples by interferometric cathodoluminescence at reposiTUm , opens an external URL in a new window
Schattschneider, P., Löffler, S., Gollisch, H., & Feder, R. (2020). Entanglement and entropy in electron–electron scattering. Journal of Electron Spectroscopy and Related Phenomena, 241, Article 146810. https://doi.org/10.1016/j.elspec.2018.11.009, opens an external URL in a new window
| Entanglement and entropy in electron–electron scattering at reposiTUm , opens an external URL in a new window
Lindenthal, L., Rameshan, R., Summerer, H., Ruh, T., Popovic, J., Nenning, A., Löffler, S., Opitz, A., Blaha, P., & Rameshan, C. (2020). Modifying the Surface Structure of Perovskite-Based Catalysts by Nanoparticle Exsolution. Catalysts, 10(3), 268. https://doi.org/10.3390/catal10030268, opens an external URL in a new window
| Modifying the Surface Structure of Perovskite-Based Catalysts by Nanoparticle Exsolution at reposiTUm , opens an external URL in a new window
Lindenthal, L., Ruh, T., Rameshan, R., Summerer, H., Nenning, A., Herzig, C., Löffler, S., Limbeck, A., Opitz, A., Blaha, P., & Rameshan, C. (2020). Ca-doped rare earth perovskite materials for tailored exsolution of metal nanoparticles. Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials, 76(6), 1055–1070. https://doi.org/10.1107/s2052520620013475, opens an external URL in a new window
| Ca-doped rare earth perovskite materials for tailored exsolution of metal nanoparticles at reposiTUm , opens an external URL in a new window
Löffler, S., Hamon, A.-L., Aubry, D., & Schattschneider, P. (2020). A quantum propagator for electrons in a round magnetic lens. In M. Hÿtch & P. W. Hawkes (Eds.), Advances in Imaging and Electron Physics. Volume 215 (Vol. 215, pp. 89–105). Elsevier. https://doi.org/10.1016/bs.aiep.2020.06.003, opens an external URL in a new window
| A quantum propagator for electrons in a round magnetic lens at reposiTUm , opens an external URL in a new window
Popovic, J., Lindenthal, L., Rameshan, R., Ruh, T., Nenning, A., Löffler, S., Opitz, A., & Rameshan, C. (2020). High Temperature Water Gas Shift Reactivity of Novel Perovskite Catalysts. Catalysts, 10(5), 582. https://doi.org/10.3390/catal10050582, opens an external URL in a new window
| High Temperature Water Gas Shift Reactivity of Novel Perovskite Catalysts at reposiTUm , opens an external URL in a new window

Löffler, S., Sack, S., & Schachinger, T. (2019). Elastic propagation of fast electron vortices through amorphous materials. Acta Crystallographica Section A: Foundations and Advances, 75(6), 902–910. https://doi.org/10.1107/s2053273319012889, opens an external URL in a new window
| Elastic propagation of fast electron vortices through amorphous materials at reposiTUm , opens an external URL in a new window
Kramberger, C., Löffler, S., Schachinger, T., Hartel, P., Zach, J., & Schattschneider, P. (2019). π/2 mode converters and vortex generators for electrons. Ultramicroscopy, 204, 27–33. https://doi.org/10.1016/j.ultramic.2019.05.003, opens an external URL in a new window
| π/2 mode converters and vortex generators for electrons at reposiTUm , opens an external URL in a new window

Löffler, S., & Hetaba, W. (2018). Convergent-beam EMCD: benefits, pitfalls and applications. Microscopy, 67(1), 60–71. https://doi.org/10.1093/jmicro/dfx129, opens an external URL in a new window
| Convergent-beam EMCD: benefits, pitfalls and applications at reposiTUm , opens an external URL in a new window
Pofelski, A., Woo, S. Y., Le, B. H., Liu, X., Zhao, S., Mi, Z., Löffler, S., & Botton, G. A. (2018). 2D strain mapping using scanning transmission electron microscopy Moiréinterferometry and geometrical phase analysis. Ultramicroscopy, 187, 1–12. https://doi.org/10.1016/j.ultramic.2017.12.016, opens an external URL in a new window
| 2D strain mapping using scanning transmission electron microscopy Moiréinterferometry and geometrical phase analysis at reposiTUm , opens an external URL in a new window
Pohl, D., Löffler, S., Schneider, S., Tiemeijer, P., Lazar, S., Nielsch, K., & Rellinghaus, B. (2018). The Role of Spatial Coherence for the Creation of Atom Size Electron Vortex Beams. Microscopy and Microanalysis, 24(S1), 920–921. https://doi.org/10.1017/s1431927618005093, opens an external URL in a new window
| The Role of Spatial Coherence for the Creation of Atom Size Electron Vortex Beams at reposiTUm , opens an external URL in a new window
Schattschneider, P., & Löffler, S. (2018). Entanglement and decoherence in electron microscopy. Ultramicroscopy, 190, 39–44. https://doi.org/10.1016/j.ultramic.2018.04.007, opens an external URL in a new window
| Entanglement and decoherence in electron microscopy at reposiTUm , opens an external URL in a new window
Schattschneider, P., Löffler, S., Gollisch, H., & Feder, R. (2018). Entanglement and entropy in electron-electron scattering. Journal of Electron Spectroscopy and Related Phenomena, 241(146810), 146810. https://doi.org/10.1016/j.elspec.2018.11.009, opens an external URL in a new window
| Entanglement and entropy in electron-electron scattering at reposiTUm , opens an external URL in a new window

Koller, C. M., Dalbauer, V., Kirnbauer, A., Löffler, S., Kolozsvári, S., Ramm, J., & Mayrhofer, P. H. (2017). Selective phase formation in substoichiometric Al-Cr-based oxides. Scripta Materialia, 139, 144–147. https://doi.org/10.1016/j.scriptamat.2017.06.039, opens an external URL in a new window
| Selective phase formation in substoichiometric Al-Cr-based oxides at reposiTUm , opens an external URL in a new window
Löffler, S., Bugnet, M., Gauquelin, N., Lazar, S., Assmann, E., Held, K., Botton, G. A., & Schattschneider, P. (2017). Real-space mapping of electronic orbitals. Ultramicroscopy, 177, 26–29. https://doi.org/10.1016/j.ultramic.2017.01.018, opens an external URL in a new window
| Real-space mapping of electronic orbitals at reposiTUm , opens an external URL in a new window
Müller-Caspary, K., Krause, F. F., Grieb, T., Löffler, S., Schowalter, M., Béché, A., Galioit, V., Marquardt, D., Zweck, J., Schattschneider, P., Verbeeck, J., & Rosenauer, A. (2017). Measurement of atomic electric fields and charge densities from average momentum transfers using scanning transmission electron microscopy. Ultramicroscopy, 178, 62–80. https://doi.org/10.1016/j.ultramic.2016.05.004, opens an external URL in a new window
| Measurement of atomic electric fields and charge densities from average momentum transfers using scanning transmission electron microscopy at reposiTUm , opens an external URL in a new window
Schachinger, T., Löffler, S., Steiger-Thirsfeld, A., Stöger-Pollach, M., Schneider, S., Pohl, D., Rellinghaus, B., & Schattschneider, P. (2017). EMCD with an electron vortex filter: Limitations and possibilities. Ultramicroscopy, 179, 15–23. https://doi.org/10.1016/j.ultramic.2017.03.019, opens an external URL in a new window
| EMCD with an electron vortex filter: Limitations and possibilities at reposiTUm , opens an external URL in a new window

Müller-Caspary, K., Krause, F., Béché, A., Duchamp, M., Schowalter, M., Löffler, S., Migunov, V., Winkler, F., Huth, M., Ritz, R., Ihle, S., Simson, M., Ryll, H., Soltau, H., Strüder, L., Zweck, J., Schattschneider, P., Dunin-Borkowski, R., Verbeeck, J., & Rosenauer, A. (2016). Measurement of Atomic Electric Fields by Scanning Transmission Electron Microscopy (STEM) Employing Ultrafast Detectors. Microscopy and Microanalysis, 22(S3), 484–485. https://doi.org/10.1017/s1431927616003275, opens an external URL in a new window
| Measurement of Atomic Electric Fields by Scanning Transmission Electron Microscopy (STEM) Employing Ultrafast Detectors. at reposiTUm , opens an external URL in a new window
Bugnet, M., Löffler, S., Hawthorn, D., Dabkowska, H., Luke, G., Schattschneider, P., Sawatzky, G., Radtke, G., & Botton, G. A. (2016). Real-space localization and quantification of hole distribution in chain-ladder Sr3Ca11Cu24O41 superconductor. Science Advances, 2(3).
| Real-space localization and quantification of hole distribution in chain-ladder Sr3Ca11Cu24O41 superconductor at reposiTUm , opens an external URL in a new window
Pardini, L., Löffler, S., Biddau, G., Hambach, R., Kaiser, U., Draxl, C., & Schattschneider, P. (2016). Mapping Atomic Orbitals with the Transmission Electron Microscope: Images of Defective Graphene Predicted from First-Principles Theory. Physical Review Letters, 117(036801). https://doi.org/10.1103/physrevlett.117.036801, opens an external URL in a new window
| Mapping Atomic Orbitals with the Transmission Electron Microscope: Images of Defective Graphene Predicted from First-Principles Theory at reposiTUm , opens an external URL in a new window
Schneider, S., Pohl, D., Löffler, S., Kasinathan, D., Rusz, J., Schattschneider, P., Schultz, L., & Rellinghaus, B. (2016). Quantifying Magnetism on the nm Scale: EMCD on Individual FePt Nanoparticles. Microscopy and Microanalysis, 22(S3), 1674–1675. https://doi.org/10.1017/s1431927616009211, opens an external URL in a new window
| Quantifying Magnetism on the nm Scale: EMCD on Individual FePt Nanoparticles at reposiTUm , opens an external URL in a new window
Schneider, S., Pohl, D., Löffler, S., Rusz, J., Kasinathan, D., Schattschneider, P., Schultz, L., & Rellinghaus, B. (2016). Magnetic properties of single nanomagnets: Electron energy-loss magnetic chiral dichroism on FePt nanoparticles. Ultramicroscopy, 171, 186–194. https://doi.org/10.1016/j.ultramic.2016.09.009, opens an external URL in a new window
| Magnetic properties of single nanomagnets: Electron energy-loss magnetic chiral dichroism on FePt nanoparticles at reposiTUm , opens an external URL in a new window

Dergez, D., Schalko, J., Löffler, S., Bittner, A., & Schmid, U. (2015). Impact of auxiliary capacitively coupled plasma on the properties of ICP-CVD deposited a-SiNₓ:H thin films. Sensors and Actuators A: Physical, 224, 156–162. https://doi.org/10.1016/j.sna.2015.02.013, opens an external URL in a new window
| Impact of auxiliary capacitively coupled plasma on the properties of ICP-CVD deposited a-SiNₓ:H thin films at reposiTUm , opens an external URL in a new window
Ikeda, M., Tomes, P., Prochaska, L., Eilertsen, J., Populoh, S., Löffler, S., Svagera, R., Waas, M., Sassik, H., Weidenkaff, A., & Paschen, S. (2015). Multiband Transport in CoSb₃ Prepared by Rapid Solidification. Journal of Inorganic and General Chemistry, 641(11), 2020–2028.
| Multiband Transport in CoSb₃ Prepared by Rapid Solidification at reposiTUm , opens an external URL in a new window
Schachinger, T., Löffler, S., Stöger-Pollach, M., & Schattschneider, P. (2015). Peculiar rotation of electron vortex beams. Ultramicroscopy, 158, 17–25. https://doi.org/10.1016/j.ultramic.2015.06.004, opens an external URL in a new window
| Peculiar rotation of electron vortex beams at reposiTUm , opens an external URL in a new window

Hetaba, W., Löffler, S., Willinger, M.-G., Schuster, M. E., Schlögl, R., & Schattschneider, P. (2014). Site-specific ionisation edge fine-structure of Rutile in the electron microscope. Micron, 63, 15–19. https://doi.org/10.1016/j.micron.2014.02.008, opens an external URL in a new window
| Site-specific ionisation edge fine-structure of Rutile in the electron microscope at reposiTUm , opens an external URL in a new window
Müller, K., Krause, F. F., Béché, A., Schowalter, M., Galioit, V., Löffler, S., Verbeeck, J., Zweck, J., Schattschneider, P., & Rosenauer, A. (2014). Atomic electric fields revealed by a quantum mechanical approach to electron picodiffraction. Nature Communications, 5(5653). https://doi.org/10.1038/ncomms6653, opens an external URL in a new window
| Atomic electric fields revealed by a quantum mechanical approach to electron picodiffraction at reposiTUm , opens an external URL in a new window
Prokofiev, A., Yan, X., Ikeda, M., Löffler, S., & Paschen, S. (2014). Crystal growth of intermetallic clathrates: Floating zone process and ultra rapid crystallization. Journal of Crystal Growth, 401, 627–632. https://doi.org/10.1016/j.jcrysgro.2014.01.081, opens an external URL in a new window
| Crystal growth of intermetallic clathrates: Floating zone process and ultra rapid crystallization at reposiTUm , opens an external URL in a new window
Schattschneider, P., Löffler, S., Stöger-Pollach, M., & Verbeeck, J. (2014). Is magnetic chiral dichroism feasible with electron vortices? Ultramicroscopy, 136, 81–85. https://doi.org/10.1016/j.ultramic.2013.07.012, opens an external URL in a new window
| Is magnetic chiral dichroism feasible with electron vortices? at reposiTUm , opens an external URL in a new window
Schattschneider, P., Schachinger, Th., Stöger-Pollach, M., Löffler, S., Steiger-Thirsfeld, A., Bliokh, K. Y., & Nori, F. (2014). Imaging the dynamics of free-electron Landau states. Nature Communications, 5(4586). https://doi.org/10.1038/ncomms5586, opens an external URL in a new window
| Imaging the dynamics of free-electron Landau states at reposiTUm , opens an external URL in a new window
Wolff, A., Hetaba, W., Wißbrock, M., Löffler, S., Mill, N., Eckstädt, K., Dreyer, A., Ennen, I., Sewald, N., Schattschneider, P., & Hütten, A. (2014). Oriented attachment explains cobalt ferrite nanoparticle growth in bioinspired syntheses. Beilstein Journal of Nanotechnology, 5, 210–218. https://doi.org/10.3762/bjnano.5.23, opens an external URL in a new window
| Oriented attachment explains cobalt ferrite nanoparticle growth in bioinspired syntheses at reposiTUm , opens an external URL in a new window

Feng, Z., Löffler, S., Eder, F., Su, D., Meyer, J. C., & Schattschneider, P. (2013). Combined study of the ground and unoccupied electronic states of graphite by electron energy-loss spectroscopy. Journal of Applied Physics, 114(18), 183716. https://doi.org/10.1063/1.4829021, opens an external URL in a new window
| Combined study of the ground and unoccupied electronic states of graphite by electron energy-loss spectroscopy at reposiTUm , opens an external URL in a new window
Löffler, S., Motsch, V., & Schattschneider, P. (2013). A pure state decomposition approach of the mixed dynamic form factor for mapping atomic orbitals. Ultramicroscopy, 131, 39–45. https://doi.org/10.1016/j.ultramic.2013.03.021, opens an external URL in a new window
| A pure state decomposition approach of the mixed dynamic form factor for mapping atomic orbitals at reposiTUm , opens an external URL in a new window
Schattschneider, P., Löffler, S., & Verbeeck, J. (2013). Comment on “Quantized Angular Momentum Transfer and Magnetic Dichroism in the Interaction of Electron Vortices with Matter.” Physical Review Letters, 110(189501). https://doi.org/10.1103/physrevlett.110.189501, opens an external URL in a new window
| Comment on 'Quantized Angular Momentum Transfer and Magnetic Dichroism in the Interaction of Electron Vortices with Matter' at reposiTUm , opens an external URL in a new window

Ennen, I., Löffler, S., Kübel, C., Wang, D., Auge, A., Hütten, A., & Schattschneider, P. (2012). Site-specific chirality in magnetic transitions. Journal of Magnetism and Magnetic Materials, 324(18), 2723–2726. https://doi.org/10.1016/j.jmmm.2012.03.050, opens an external URL in a new window
| Site-specific chirality in magnetic transitions at reposiTUm , opens an external URL in a new window
Löffler, S., & Schattschneider, P. (2012). Elastic propagation of fast electron vortices through crystals. Acta Crystallographica Section A Foundations of Crystallography, 68(4), 443–447. https://doi.org/10.1107/s0108767312013189, opens an external URL in a new window
| Elastic propagation of fast electron vortices through crystals at reposiTUm , opens an external URL in a new window
Löffler, S., & Schattschneider, P. (2012). Transition probability functions for applications of inelastic electron scattering. Micron, 43(9), 971–977. https://doi.org/10.1016/j.micron.2012.03.020, opens an external URL in a new window
| Transition probability functions for applications of inelastic electron scattering at reposiTUm , opens an external URL in a new window
Schattschneider, P., Stöger-Pollach, M., Löffler, S., Steiger-Thirsfeld, A., Hell, J., & Verbeeck, J. (2012). Sub-nanometer free electrons with topological charge. Ultramicroscopy, 115, 21–25. https://doi.org/10.1016/j.ultramic.2012.01.010, opens an external URL in a new window
| Sub-nanometer free electrons with topological charge at reposiTUm , opens an external URL in a new window
Wolff, A., Frese, K., Wißbrock, M., Eckstädt, K., Ennen, I., Hetaba, W., Löffler, S., Regtmeier, A., Thomas, P., Sewald, N., Schattschneider, P., & Hütten, A. (2012). Influence of the synthetic polypeptide c25-mms6 on cobalt ferrite nanoparticle formation. Journal of Nanoparticle Research, 14(1161). https://doi.org/10.1007/s11051-012-1161-5, opens an external URL in a new window
| Influence of the synthetic polypeptide c25-mms6 on cobalt ferrite nanoparticle formation at reposiTUm , opens an external URL in a new window

Hébert, C., Alkauskas, A., Löffler, S., Jouffrey, B., & Schattschneider, P. (2011). Capturing EELS in the reciprocal space. The European Physical Journal Applied Physics, 54(3), 33510. https://doi.org/10.1051/epjap/2011100469, opens an external URL in a new window
| Capturing EELS in the reciprocal space at reposiTUm , opens an external URL in a new window
Löffler, S., Auer, E., Weil, M., Lugstein, A., & Bertagnolli, E. (2011). Impact of growth temperature on the crystal habits, forms and structures of VO₂ nanocrystals. Applied Physics A: Materials Science and Processing, 102(1), 201–204. https://doi.org/10.1007/s00339-010-5940-5, opens an external URL in a new window
| Impact of growth temperature on the crystal habits, forms and structures of VO₂ nanocrystals at reposiTUm , opens an external URL in a new window
Löffler, S., Ennen, I., Tian, F., Schattschneider, P., & Jaouen, N. (2011). Breakdown of the dipole approximation in core losses. Ultramicroscopy, 111(8), 1163–1167. https://doi.org/10.1016/j.ultramic.2011.03.006, opens an external URL in a new window
| Breakdown of the dipole approximation in core losses at reposiTUm , opens an external URL in a new window
Verbeeck, J., Schattschneider, P., Lazar, S., Stöger-Pollach, M., Löffler, S., Steiger-Thirsfeld, A., & Van Tendeloo, G. (2011). Atomic scale electron vortices for nanoresearch. Applied Physics Letters, 99(20), 203109. https://doi.org/10.1063/1.3662012, opens an external URL in a new window
| Atomic scale electron vortices for nanoresearch at reposiTUm , opens an external URL in a new window

Löffler, S., & Schattschneider, P. (2010). A software package for the simulation of energy-loss magnetic chiral dichroism. Ultramicroscopy, 110(7), 831–835. https://doi.org/10.1016/j.ultramic.2010.02.044, opens an external URL in a new window
| A software package for the simulation of energy-loss magnetic chiral dichroism at reposiTUm , opens an external URL in a new window
Schattschneider, P., Ennen, I., Löffler, S., Stöger-Pollach, M., & Verbeeck, J. (2010). Circular dichroism in the electron microscope: Progress and applications. Journal of Applied Physics, 107(9), 09D311. https://doi.org/10.1063/1.3365517, opens an external URL in a new window
| Circular dichroism in the electron microscope: Progress and applications at reposiTUm , opens an external URL in a new window

Auer, E., Lugstein, A., Löffler, S., Hyun, Y. J., Brezna, W., Bertagnolli, E., & Pongratz, P. (2009). Ultrafast VLS growth of epitaxial β-Ga₂O₃ nanowires. Nanotechnology, 20(43), 434017. https://doi.org/10.1088/0957-4484/20/43/434017, opens an external URL in a new window
| Ultrafast VLS growth of epitaxial β-Ga₂O₃ nanowires at reposiTUm , opens an external URL in a new window

Contact

Atominstitut
Building ZE, ground floor
Room ZE EG 19
Email

+43 1 58801 45226

research topics

Electron-Vortex beams
EMCD
Orbital mapping
Simulations

Contact

Atominstitut
Building ZE, ground floor
Room ZE EG 19
Email

+43 1 58801 45226

research topics

Electron-Vortex beams
EMCD
Orbital mapping
Simulations

Name	Purpose	Lifetime	Type	Provider
CookieConsent	Saves your settings for the use of cookies on this website.	1 year	HTML	Homepage TU Wien
SimpleSAML	This is needed to distinguish between the sessions of the logged-in users.	session	HTTP	Login TU Wien
SimpleSAMLAuthToken	This is needed to distinguish between the sessions of the logged-in users.	session	HTTP	Login TU Wien
fe_typo_user	Is needed so that in case of a Typo3 frontend login the session ID is recognized to grant access to protected areas.	session	HTTP	Homepage TU Wien
staticfilecache	Is needed to optimize the delivery time of the website.	session	HTTP	Homepage TU Wien
JESSIONSID	Is needed so that in case of a LectureTube the session ID is recognized to grant access to protected areas.	session	HTTP	LectureTube TU Wien
_shibsession_lecturetube	This is needed to distinguish between the sessions of the logged-in users.	session	HTTP	LectureTube TU Wien

Name	Purpose	Lifetime	Type	Provider
_pk_id	Used to store a few details about the user such as the unique visitor ID.	13 months	HTML	Matomo TU Wien
_pk_ref	Is used to store the information of the users home website.	6 months	HTML	Matomo TU Wien
_pk_ses	Is needed to store temporary data of the visit.	30 minutes	HTML	Matomo TU Wien
nmstat	Is used to record the behaviour on the website. It is used to collect statistics about website usage, such as when the visitor last visited the website. The cookie does not contain any personal data and is only used for website analysis.	1000 days	HTML	Siteimprove
siteimproveses	Is used to track the sequence of pages that a visitor views during his/her visit to the website. The cookie does not contain any personal data and is used solely for website analysis.	session	HTTP	Siteimprove
AWSELB	Always occurs in pairs with siteimproveses (for load balancing on the provider server)	session	HTTP	Siteimprove

Name	Purpose	Lifetime	Type	Provider
_ga	Is needed to distinguish the sessions of the users from each other.	persistent	HTTP	Google Analytics
_gali	Is needed to determine which links are clicked on a page.	expires immediately	HTTP	Google Analytics
_gat	This is a function-related cookie, whose tasks may differ.	2 years	HTTP	Google Analytics
_gid	Is needed to distinguish users and create statistics.	24 hours	HTTP	Google Analytics
_gads	Required to enable websites to display advertising from Google, including personalized advertising.	13 months	HTTP	Google Analytics
_gac_	Required by advertisers to measure user activity and the performance of their advertising campaigns.	90 days	HTTP	Google Analytics
_gcl_	Required by advertisers to determine how often users who click on their ads end up taking an action on their website.	90 days	HTTP	Google Analytics
_gcl_au	Contains a randomly generated user ID.	90 days	HTTP	Google
_gcl_aw	Is set when users click on a Google ad on the website and contains information about which ad was clicked.	90 days	HTTP	Google
__utma	Is used to record visits and visitors.	2 years	HTTP	Google Analytics
__utmb	Is used to detect new visits.	30 minutes	HTTP	Google Analytics
__utmc	Is used in connection with __utmb to determine whether it is a new (recent) visit.	session	HTTP	Google Analytics
__utmd	Is used to store and track visitor journeys through the site and classifies them into groups (marketing/tracking).	1 second	HTTP	Google Analytics
__utmt	Is needed to limit the query rate on Google Analytics.	10 minutes	HTTP	Google Analytics
__utmz	Is needed to determine from which source/campaign visitors come.	6 months	HTTP	Google Analytics
__utmvc	Is needed to collect information about user behavior on multiple websites. This information is used to optimize the relevance of advertising on the website.	24 hours	HTTP	Google AdSense
utm_source	Is needed to tag URLs with parameters to identify the campaigns that forward traffic.	expires immediately	HTTP	Google Analytics
__utm.gif	Is needed to save browser details.	session	HTTP	Google Analytics
gtag	Is needed to perform remarketing.	30 days	HTTP	Google AdSense
id	Is needed to perform remarketing.	2 years	HTTP	Google AdWords
1P_JAR	Is needed to optimize advertising, provide ads that are relevant to users, improve campaign performance reports, or prevent users from seeing the same ads more than once.	2 years	HTTP	Google
AID	Is needed to activate targeted advertising.	2 years	HTTP	Google Analytics
ANID	Is needed to display Google ads on non-Google websites.	2 years	HTTP	Google AdSense
APISID	Unknown functionality	2 years	HTTP	Google Ads Optimization
AR	Is needed to profile visitors' interests and display relevant ads on other websites. This cookie works by uniquely identifying your browser and device.	2 years	HTTP	Google AdSense
CONSENT	Is needed to store the preferences of visitors and personalize advertising.	persistent	HTTP	Google
DSID	Is needed by DoubleClick for advertising displayed in various places on the web and used to store the preferences of users.	2 years	HTTP	Doubleclick
DV	Is needed to store user preferences and other information. This includes, in particular, the preferred language, the number of search results to be displayed on the page, and the decision whether or not to activate the Google SafeSearch filter.	2 years	HTTP	Google
HSID	Contains the Google account ID and the last login time of the user.	2 years	HTTP	Google
IDE	Is needed by DoubleClick to record and report the actions of users on the website after viewing or clicking on one of the provider's ads, with the purpose of measuring the effectiveness of an advertisement and displaying targeted advertisements to users.	2 years	HTTP	Doubleclick
LOGIN_INFO	Is used to store the credentials of users of Google services.	2 years	HTTP	Google
NID	Is used to store information about user settings.	6 months	HTTP	Google
OTZ	Is needed to link activities of visitors with other devices that are previously logged in via the Google account. In this way, advertising is tailored to different devices.	1 month	HTTP	Google
RUL	Is needed by DoubleClick to determine whether advertising has been displayed correctly in order to make marketing activities more efficient.	1 year	HTTP	Doubleclick
SAPISID	Is needed by YouTube to store user settings and to calculate user bandwidth.	persistent	HTTP	Google
SEARCH_SAMESITE	Enables servers to mitigate the risk of CSRF and information leakage attacks by specifying that a particular cookie may only be sent on requests originating from the same registerable domain.	6 months	HTTP	Google
SID	Contains the Google account ID and the last login time of the user.	2 years	HTTP	Google
SIDCC	Is needed to store information about user settings and information for Google Maps.	3 months	HTTP	Google
SSID	Is needed to collect visitor information for videos hosted by YouTube on Google Maps integrated maps.	persistent	HTTP	Google
__SECURE-1PAPISID	Is needed for targeting purposes to create a profile of the interests of website visitors.	2 years	HTTP	Google
__SECURE-1PSID	Is needed for targeting purposes to create a profile of the interests of website visitors.	2 years	HTTP	Google
__SECURE-3PAPISID	Is needed for targeting purposes to create a profile of the interests of website visitors.	2 years	HTTP	Google
__SECURE-3PSID	Is needed for targeting purposes to create a profile of the interests of website visitors.	2 years	HTTP	Google
__SECURE-3PSIDCC	Is needed for targeting purposes to create a profile of the interests of website visitors.	2 years	HTTP	Google
__SECURE-APISID	Is needed to profile the interests of website visitors in order to display relevant and personalized advertising through retargeting.	8 months	HTTP	Google
__SECURE-HSID	Is needed to secure digitally signed and encrypted data from the unique Google ID and to store the last login time that Google uses to identify visitors, prevent fraudulent use of login data, and protect visitor data from unauthorized parties. This may also be used for targeting purposes to display relevant and personalized advertising content.	8 months	HTTP	Google
__SECURE-SSID	Is needed to store information about how visitors use the site and about the ads they may have seen before visiting the site. Also used to customize ads on Google domains.	8 months	HTTP	Google
test_cookie	Is set as a test to check whether the browser allows cookies to be set. Does not contain any identification features.	15 minutes	HTTP	Google
VISITOR_INFO1_LIVE	Is needed by YouTube to store user settings and to calculate user bandwidth.	6 months	HTTP	Youtube
facebook	Is used to Enable ad delivery or retargeting	90 days	HTTP	Meta (Facebook)
__fb_chat_plugin	Is needed to store and track interactions (marketing/tracking).	persistent	HTTP	Meta (Facebook)
_js_datr	Is needed to save user settings.	2 years	HTTP	Meta (Facebook)
_fbc	Is needed to save the last visit (marketing/tracking).	2 years	HTTP	Meta (Facebook)
fbm	Is needed to store account data (marketing/tracking).	1 year	HTTP	Meta (Facebook)
xs	Is needed to store a unique session ID (marketing/tracking).	1 year	HTTP	Meta (Facebook)
wd	Is needed to log the screen resolution.	1 week	HTTP	Meta (Facebook)
fr	Is needed to serve ads and measure and improve their relevance.	3 months	HTTP	Meta (Facebook)
act	Is needed to store logged in users (marketing/tracking).	90 days	HTTP	Meta (Facebook)
_fbp	Is needed to store and track visits to various websites (marketing/tracking).	3 months	HTTP	Meta (Facebook)
datr	Is needed to identify the browser for security and website integrity purposes, including account recovery and identification of potentially compromised accounts.	2 years	HTTP	Meta (Facebook)
dpr	Is used for analysis purposes. Technical parameters are logged (e.g. aspect ratio and dimensions of the screen) so that Facebook apps can be displayed correctly.	1 week	HTTP	Meta (Facebook)
sb	Is needed to store browser details and security information of the Facebook account.	2 years	HTTP	Meta (Facebook)
dbln	Is needed to store browser details and security information of the Facebook account.	2 years	HTTP	Meta (Facebook)
spin	Is needed for promotional purposes and social campaign reporting.	session	HTTP	Meta (Facebook)
presence	Contains the "chat" status of logged in users.	1 month	HTTP	Meta (Facebook)
cppo	Is needed for statistical purposes.	90 days	HTTP	Meta (Facebook)
locale	Is needed to save the language settings.	session	HTTP	Meta (Facebook)
pl	Required for Facebook Pixel.	2 years	HTTP	Meta (Facebook)
lu	Required for Facebook Pixel.	2 years	HTTP	Meta (Facebook)
c_user	Required for Facebook Pixel.	3 months	HTTP	Meta (Facebook)
bcookie	Is needed to store browser data (marketing/tracking).	2 years	HTTP	LinkedIn
li_oatml	Is needed to identify LinkedIn members outside of LinkedIn for advertising and analytics purposes.	1 month	HTTP	LinkedIn
BizographicsOptOut	Is needed to save privacy settings.	10 years	HTTP	LinkedIn
li_sugr	Is needed to store browser data (marketing/tracking).	3 months	HTTP	LinkedIn
UserMatchHistory	Is needed to provide advertising or retargeting (marketing/tracking).	30 days	HTTP	LinkedIn
linkedin_oauth_	Is needed to provide cross-page functionality.	session	HTTP	LinkedIn
lidc	Is needed to store performed actions on the website (marketing/tracking).	1 day	HTTP	LinkedIn
bscookie	Is needed to store performed actions on the website (marketing/tracking).	2 years	HTTP	LinkedIn
X-LI-IDC	Is needed to provide cross-page functionality (marketing/tracking).	session	HTTP	LinkedIn
AnalyticsSyncHistory	Stores the time when the user was synchronized with the "lms_analytics" cookie.	30 days	HTTP	LinkedIn
lms_ads	Is needed to identify LinkedIn members outside of LinkedIn.	30 days	HTTP	LinkedIn
lms_analytics	Is needed to identify LinkedIn members for analytics purposes.	30 days	HTTP	LinkedIn
li_fat_id	Required for indirect member identification used for conversion tracking, retargeting and analytics.	30 days	HTTP	LinkedIn
U	Is needed to identify the browser.	3 months	HTTP	LinkedIn
_guid	Is needed to identify a LinkedIn member for advertising via Google Ads.	90 days	HTTP	LinkedIn

Assoc.Prof. Dr.techn. Dipl.-Ing. Stefan Löffler

facts

CV

Publications

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2023

2022

2021

2020

2019

2018

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2009

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research topics