Publications

Kilaj, A., Gao, H., Tahchieva, D., Ramakrishnan, R., Bachmann, D., Gillingham, D., von Lilienfeld, O. A., Kuepper, J. und Willitsch, S. (2020) «Quantum-chemistry-aided identification, synthesis and experimental validation of model systems for conformationally controlled reaction studies: separation of the conformers of 2,3-dibromobuta-1,3-diene in the gas phase», Physical Chemistry Chemical Physics. Royal Society of Chemistry, 22(24), S. 13431-13439. doi: 10.1039/d0cp01396j .   edoc | Open Access
Dörfler, A. D., Eberle, P., Koner, D., Tomza, M., Meuwly, M. und Willitsch, S. (2019) «Long-range versus short-range effects in cold molecular ion-neutral collisions», Nature Communications. Nature Publishing Group, 10(1), S. 5429. doi: 10.1038/s41467-019-13218-x.   edoc | Open Access
Rivero, U., Unke, O. T., Meuwly, M. und Willitsch, S. (2019) «Reactive atomistic simulations of Diels-Alder reactions: The importance of molecular rotations», Journal of Chemical Physics. AIP Publishing, 151(10), S. 104301. doi: 10.1063/1.5114981.   edoc | Open Access
Haas, D., von Planta, C., Kierspel, T., Zhang, D. und Willitsch, S. (2019) «Long-term trapping of Stark-decelerated molecules», Communications physics. Nature Publishing Group, 2, S. 101. doi: 10.1038/s42005-019-0199-4.   edoc | Open Access
Rouse, I. und Willitsch, S. (2019) «The energy distribution of an ion in a radiofrequency trap interacting with a nonuniform neutral buffer gas», Molecular Physics. Taylor & Francis, 117(21), S. 3120-3131. doi: 10.1080/00268976.2019.1581952.   edoc | Open Access
Meir, Z., Hegi, G., Najafian, K., Sinhal, M. und Willitsch, S. (2019) «State-selective coherent motional excitation as a new approach for the manipulation, spectroscopy and state-to-state chemistry of single molecular ions», Faraday Discussions. Royal Society of Chemistry, 217, S. 561-583. doi: 10.1039/c8fd00195b.   edoc | Open Access
Gianturco, F. A., Dorfler, A. D., Willitsch, S., Yurtsever, E., Gonzalez-Lezana, T. und Villarreal, P. (2019) «N-2(+)((2)Sigma(g)) and Rb(S-2) in a hybrid trap: modeling ion losses from radiative association paths», Physical Chemistry Chemical Physics. Royal Society of Chemistry, 21(16), S. 8342-8351. doi: 10.1039/c8cp06761a.   edoc | Open Access
Fountas, P. N., Poggio, M. und Willitsch, S. (2019) «Classical and quantum dynamics of a trapped ion coupled to a charged nanowire», New Journal of Physics. IOP Publishing, 21, S. 13030. doi: 10.1088/1367-2630/aaf8f5.   edoc | Open Access
Willitsch, S. (2018) «Probes of ion-neutral chemical dynamics with cold and controlled molecules», Abstracts of papers of the American Chemical Society. American Chemical Society.   edoc
Vander Auwera, J., Godefroid, M., Halonen, L., Huet, T., Merkt, F., De Natale, P. und Willitsch, S. (2018) «25th Colloquium on High-Resolution Molecular Spectroscopy: special issue dedicated to Michel Herman», Molecular Physics. Taylor & Francis, 116(23-24), S. 3447-3462. doi: 10.1080/00268976.2018.1494881.   edoc
Meir, Z., Zhang, D. und Willitsch, S. (2018) «Cold molecules: techniques and applications», SPG Mitteilungen. Schweizerische Physikalische Gesellschaft, 55, S. 31-33.   edoc | Open Access
Rouse, I. und Willitsch, S. (2018) «Energy distributions of an ion in a radio-frequency trap immersed in a buffer gas under the influence of additional external forces», Physical Review A. American Physical Society, 97(4), S. 42712. doi: 10.1103/PhysRevA.97.042712.   edoc | Open Access
Kilaj, A., Gao, H., Rösch, D., Rivero, U., Küpper, J. und Willitsch, S. (2018) «Observation of different reactivities of para and ortho-water towards trapped diazenylium ions», Nature Communications. Nature Research, 9(1), S. 2096. doi: 10.1038/s41467-018-04483-3.   edoc
Dulieu, O. und Willitsch, S. (2017) «Ion Coulomb crystals: From quantum technology to chemistry close to the absolute zero point», Europhysics News. EDP Sciences, 48(2), S. 17-20. doi: 10.1051/epn/2017203 .   edoc | Open Access
Mokhberi, A., Schmied, R. und Willitsch, S. (2017) «Optimised surface-electrode ion-trap junctions for experiments with cold molecular ions», New Journal of Physics. IOP PUBLISHING LTD, 19, S. 43023. doi: 10.1088/1367-2630/aa6918.   edoc | Open Access
Rouse, I. und Willitsch, S. (2017) «Superstatistical Energy Distributions of an Ion in an Ultracold Buffer Gas», Physical review letters. American Physical Society, 118(14), S. 143401. doi: 10.1103/PhysRevLett.118.143401.   edoc | Open Access
Willitsch, S. (2017) «Chemistry with Controlled Ions», in Rice, S. A. und Dinner, A. R. (Hrsg.) Advances in Chemical Physics. Hoboken: Wiley Interscience, S. 307-340. doi: 10.1002/9781119324560.ch5.   edoc | Open Access
Rivero, U., Meuwly, M. und Willitsch, S. (2017) «A computational study of the Diels-Alder reactions between 2,3-dibromo-1,3-butadiene and maleic anhydride», Chemical Physics Letters. Elsevier, 683, S. 598-605. doi: 10.1016/j.cplett.2017.03.063.   edoc | Open Access
Rösch, D., Gao, H., Kilaj, A. und Willitsch, S. (2016) «Design and characterization of a linear quadrupole ion trap for high-resolution Coulomb-crystal time-of-flight mass spectrometry», EPJ Techniques and Instrumentation. EDP Sciences with Springer and Società Italiana di Fisica, 3, S. 5. doi: 10.1140/epjti/s40485-016-0032-3.   edoc | Open Access
Ploenes, L., Haas, D., Zhang, D., van de Meerakker, S. Y. T. und Willitsch, S. (2016) «Cold and intense OH radical beam sources», Review of Scientific Instruments. AIP Publishing , 87(5), S. 53305. doi: 10.1063/1.4948917.   edoc | Open Access
Germann, M. und Willitsch, S. (2016) «Fine- and hyperfine-structure effects in molecular photoionization. I. General theory and direct photoionization», Journal of Chemical Physics. AIP Publishing, 145(4), S. 44314. doi: 10.1063/1.4955301.   edoc | Open Access
Germann, M. und Willitsch, S. (2016) «Fine- and hyperfine-structure effects in molecular photoionization. II. Resonance-enhanced multiphoton ionization and hyperfine-selective generation of molecular cations», Journal of Chemical Physics. AIP Publishing, 145(4), S. 44315. doi: 10.1063/1.4955303.   edoc | Open Access
Eberle, P., Dörfler, A. D., von Planta, C., Ravi, K. und Willitsch, S. (2016) «A Dynamic Ion-Atom Hybrid Trap for High-Resolution Cold-Collision Studies», ChemPhysChem. Wiley, 17(22), S. 3769-3775. doi: 10.1002/cphc.201600643.   edoc | Open Access
Germann, M. und Willitsch, S. (2016) «Line strengths for fine- and hyperfine-resolved electric-quadrupole rotation-vibration transitions in Hund’s case b molecules», Molecular Physics. Taylor & Francis, 114(6), S. 769-773. doi: 10.1080/00268976.2015.1118568.   edoc | Open Access
Germann, M., Tonga, X. und Willitsch, S. (2015) «Forbidden Vibrational Transitions in Cold Molecular Ions: Experimental Observation and Potential Applications», Chimia. Schweizerische Chemische Gesellschaft, 69(4), S. 213-216. doi: 10.2533/chimia.2015.213.   edoc | Open Access
Mokhberi, A. und Willitsch, S. (2015) «Structural and energetic properties of molecular Coulomb crystals in a surface-electrode ion trap», New Journal of Physics. IOP Publishing, 17(4), S. 45008. doi: 10.1088/1367-2630/17/4/045008.   edoc | Open Access
Dulieu, O. und Willitsch, S. (2015) «Cristaux coulombiens: De la technologie quantique à la chimie proche du zéro absolu», Reflets de la physique. EDP Sciences , 44-45, S. 91-94. doi: 10.1051/refdp/20154445091.   edoc | Open Access
Eberle, P., Dörfler, A. D., von Planta, C., Ravi, K., Haas, D., Zhang, D., Meeraker, S. Y. T. und Willitsch, S. (2015) «Ion-Atom and Ion-Molecule Hybrid Systems: Ion-Neutral Chemistry at Ultralow Energies», Journal of Physics: Conference Series. IOP Publishing, 635(1), S. 12012. doi: 10.1088/1742-6596/635/1/012012.   edoc | Open Access
Willitsch, S. und Rouse, I. (2015) «Superstatistical velocity distributions of cold trapped ions in molecular dynamics simulations», Physical Review A . American Physical Society, 92(5), S. 53420. doi: 10.1103/PhysRevA.92.053420.   edoc | Open Access
Willitsch, S. (2015) «Ion-atom hybrid systems», Proceedings of the International School of Physics "Enrico Fermi". IOS Press, 189, S. 255-268. doi: 10.3254/978-1-61499-526-5-255.   edoc | Open Access
Germann, M., Tong, X. und Willitsch, S. (2014) «Observation of electric-dipole-forbidden infrared transitions in cold molecular ions», Nature Physics. Nature Publishing Group , 10(11), S. 820-824. doi: 10.1038/nphys3085.   edoc
Mokhberi, A. und Willitsch, S. (2014) «Sympathetic cooling of molecular ions in a surface-electrode ion trap», Physical Review A. American Physical Society, 90(2), S. 23402. doi: 10.1103/PhysRevA.90.023402.   edoc | Open Access
Rösch, D., Willitsch, S., Chang, Y.-P. und Küpper, J. (2014) «Chemical reactions of conformationally selected 3-aminophenol molecules in a beam with Coulomb-crystallized Ca+ ions», Journal of Chemical Physics. AIP Publishing, 140(12), S. 124202. doi: 10.1063/1.4869100.   edoc | Open Access
Chang, Y.-P., Długołęcki, K., Küpper, J., Rösch, D., Wild, D. und Willitsch, S. (2013) «Specific Chemical Reactivities of Spatially Separated 3-Aminophenol Conformers with Cold Ca+ Ions», Science. American Association for the Advancement of Science, 342(6154), S. 98-101. doi: 10.1126/science.1242271.   edoc
Hall, F. H. J., Aymar, M., Raoult, M., Dulieu, O. und Willitsch, S. (2013) «Light-assisted cold chemical reactions of barium ions with rubidium atoms», Molecular Physics. Taylor & Francis, 111(12-13), S. 1683-1690. doi: 10.1080/00268976.2013.770930.   edoc
Willitsch, S. (2013) «Molecular physics: Ultracold ménage à trois», Nature Physics. Nature Publishing Group , 9(8), S. 461-462. doi: 10.1038/nphys2683.   edoc
Hall, F. H. J., Eberle, P., Hegi, G., Raoult, M., Aymar, M., Dulieu, O. und Willitsch, S. (2013) «Ion-neutral chemistry at ultralow energies: dynamics of reactive collisions between laser-cooled Ca+ ions and Rb atoms in an ion-atom hybrid trap», Molecular Physics. Taylor & Francis, 111(14-15), S. 2020. doi: 10.1080/00268976.2013.780107.   edoc
Mur-Petit, J., Perez-Rios, J., Campos-Martinez, J., Hernandez, M. I., Willitsch, S. und Garcia-Ripoll, J. J. (2013) «Toward a Molecular Ion Qubit», in Architecture and Design of Molecule Logic Gates and Atom Circuits Architecture and Design of Molecule Logic Gates and Atom Circuits. Springer (Advances in Atom and Single Molecule Machines), S. 267-277. doi: 10.1007/978-3-642-33137-4_20.   edoc
Mur-Petit, J., P`erez-R`iosJ., Campos-Mart`inezJ., Hern`andezM. I., Willitsch, S. und Garc`ia-RipollJ. J. (2012) «Temperature-independent quantum logic for molecular spectroscopy», Physical review. A, Atomic, Molecular, and Optical Physics. American Institute of Physics, 85(2), S. 022308.   edoc
Hall, F. H. J. und Willitsch, S. (2012) «Millikelvin Reactive Collisions between Sympathetically Cooled Molecular Ions and Laser-Cooled Atoms in an Ion-Atom Hybrid Trap», Physical Review Letters. American Physical Society, 109(23), S. 233202. doi: 10.1103/PhysRevLett.109.233202.   edoc | Open Access
Willitsch, S. (2012) «Coulomb-crystallised molecular ions in traps: methods, applications, prospects», International reviews in physical chemistry. Taylor & Francis, 31(2), S. 175-199. doi: 10.1080/0144235X.2012.667221.   edoc
Tong, X., Nagy, T., Yosa Reyes, J., Germann, M., Meuwly, M. und Willitsch, S. (2012) «State-selected ion-molecule reactions with Coulomb-crystallized molecular ions in traps», Chemical Physics Letters. Elsevier, 547, S. 1-8. doi: 10.1016/j.cplett.2012.06.042.   edoc
Merkt, F., Hollenstein, U. und Willitsch, S. (2011) «High‐resolution Photoelectron Spectroscopy», in Quack, M. und Merkt, F. (Hrsg.) Handbook of High-resolution Spectroscopies. Chichester: Wiley, S. 1617. doi: 10.1002/9780470749593.hrs071.   edoc
Willitsch, S. (2011) «Experimental Methods in Cation Spectroscopy», in Quack, M. und Merkt, F. (Hrsg.) Handbook of High-Resolution Spectroscopies. Chichester: Wiley, S. 1691. doi: 10.1002/9780470749593.hrs067.   edoc
Tong, X., Wild, D. und Willitsch, S. (2011) «Collisional and radiative effects in the state-selective preparation of translationally cold molecular ions in ion traps», Physical Review A. American Physical Society, 83(2), S. 23415. doi: 10.1103/PhysRevA.83.023415.   edoc | Open Access
Georgescu, I. M. und Willitsch, S. (2011) «Theoretical characterization of laser- and sympathetically-cooled ions in surface-electrode ion traps», Physical Chemistry Chemical Physics. Royal Society of Chemistry, 13(42), S. 18852-18858. doi: 10.1039/C1CP20733D .   edoc
Hall, F. H. J., Aymar, M., Bouloufa-Maafa, N., Dulieu, O. und Willitsch, S. (2011) «Light-Assisted Ion-Neutral Reactive Processes in the Cold Regime: Radiative Molecule Formation versus Charge Exchange», Physical Review Letters. American Physical Society, 107(24), S. 243202. doi: 10.1103/PhysRevLett.107.243202.   edoc | Open Access
Dulieu, O., Krems, R., Weidemüller, M. und Willitsch, S. (2011) «Physics and Chemistry of Cold Molecules», Physical Chemistry Chemical Physics. Royal Society of Chemistry, 13(42), S. 18703-18704. doi: 10.1039/C1CP90157E.   edoc
Tong, X., Winney, A. H. und Willitsch, S. (2010) «Sympathetic Cooling of Molecular Ions in Selected Rotational and Vibrational States Produced by Threshold Photoionization», Physical Review Letters. American Physical Society, 105(14), S. 143001. doi: 10.1103/PhysRevLett.105.143001.   edoc | Open Access
Willitsch, S. (2010) «Nahe am Nullpunkt», Nachrichten aus der Chemie. De Gruyter , 58(9), S. 872-875. doi: 10.1002/nadc.201074036.   edoc | Open Access
Willitsch, S. (2010) «Molecular physics: very cool molecular ions», Nature Physics. Nature Publishing Group , 6(4), S. 240-241. doi: 10.1038/nphys1643.   edoc
Maier, J. P. und Willitsch, S. (2010) «Spectroscopy and Chemical Dynamics», Chimia. Schweizerische Chemische Gesellschaft, 64(12), S. 855-858. doi: 10.2533/chimia.2010.855.   edoc | Open Access
Willitsch, S. (2009) «Molecules and Ions at Very Low Temperatures», Chimia. Schweizerische Chemische Gesellschaft, 63(1/2), S. 54-57. doi: 10.2533/chimia.2009.54.   edoc | Open Access
Bell, M. T., Gingell, A. D., Oldham, J. M., Softley, T. P. und Willitsch, S. (2009) «Ion-molecule chemistry at very low temperatures : cold chemical reactions between Coulomb-crystallized ions and velocity-selected neutral molecules», in Faraday Discussions. London: Royal Society of Chemistry, S. 73-91. doi: 10.1039/b818733a.   edoc
Willitsch, S., Bell, M. T., Gingell, A. D. und Softley, T. P. (2008) «Chemical applications of laser- and sympathetically-cooled ions in ion traps », Physical Chemistry Chemical Physics. Royal Society of Chemistry, 10(48), S. 7200-7210. doi: 10.1039/b813408c.   edoc