Publications

38. "Precision spectroscopy and frequency determination of the hyperfine components of the P(63) 4-4 transition of molecular iodine near 652 nm", S. Manzoor, M. Chiarotti, S. A. Meek, G. Santambrogio, N. Poli, https://arxiv.org/abs/2410.03305. Accepted by Optics Express

37. "A QCL-based metrological-graded source at 6 um", D. D'Ambrosio, S. Borri, D. Calonico, C. Clivati, P. De Natale, M. De Pas, G. Insero, F. Levi, M. Verde, and G. Santambrogio, Appl. Phys. B 126, 41 (2020) (abstract/doi)

36. "Approaching the transit time limit for high-precision spectroscopy on metastable CO around 6 micron", D. D'Ambrosio, S. Borri, M. Verde, A. Borgognoni, G. Insero, P. De Natale, and G. Santambrogio, Phys. Chem. Chem. Phys. 21, 24506 (2019) (abstract/doi), PDF

35. "High-precision molecular spectroscopy in the mid-infrared using quantum cascade lasers", S. Borri, G. Insero, G. Santambrogio, D. Mazzotti, F. Cappelli, I. Galli, G. Galzerano, M. Marangoni, P. Laporta, V. Di Sarno, L. Santamaria, P. Maddaloni, and P. De Natale, Appl. Phys. B 125, 18 (2019) (abstract/doi)

34. "Measuring molecular frequencies in the 1--10 μm range at 11-digits accuracy", G. Insero, S. Borri, D. Calonico, P. Cancio Pastor, C. Clivati, D. D'Ambrosio, P. De Natale, M. Inguscio, F. Levi, and G. Santambrogio, Sci. Reports 7, 12780 (2017) (abstract/doi), PDF, (arXiv)

33. "Difference frequency generation in the mid-infrared with orientation-patterned gallium phosphide crystals", C. Clivati, G. Insero, D. D'Ambrosio, P. De Natale, G. Santambrogio, P. Schunemann, J.-J. Zondy, and S. Borri, Optics Lett. 42, 5114 (2016) (abstract/doi)

32. "Laser spectroscopy of cold molecules", S. Borri and G. Santambrogio, Advances in Physics: X, 1, 368 (2016) (abstract/doi)(arXiv)

31. "Tunable Microcavity-Stabilized Quantum Cascade Laser for Mid-IR High-Resolution Spectroscopy and Sensing", S. Borri, M. Siciliani de Cumis, G. Insero, S. Bartalini, P. Cancio Pastor, D. Mazzotti, I. Galli, G. Giusfredi, G. Santambrogio, A. Savchenkov, D. Eliyahu, V. Ilchenko, N. Akikusa, A. Matsko, L. Maleki, and P. De Natale, Sensors, 16, 238 (2016) (abstract/doi)

30. "Trapping molecules on chips", G. Santambrogio, EPJ Techniques and Instrumentation, 2, 14 (2015) (abstract/doi)

29. "Measuring and manipulating the temperature of cold molecules trapped on a chip", S. Marx, D. Adu Smith, G. Insero, S. A. Meek, B. G. Sartakov, G. Meijer, and G. Santambrogio, Phys. Rev. A, 92, 063408 (2015) (abstract/doi) (arXiv)

28. "Low-temperature spectroscopy of the 12C2H2 (v1+v3) band in a helium buffer gas", L. Santamaria, V. Di Sarno, I. Ricciardi, M. De Rosa, S. Mosca, G. Santambrogio, P. Maddaloni, and P. De Natale, Astrophys. J., 801, 50 (2015) (abstract/doi) (arXiv)

27. "Assessing the time constancy of the proton-to-electron mass ratio by precision ro-vibrational spectroscopy of a cold molecular beam", L. Santamaria, V. Di Sarno, I. Ricciardi, S. Mosca, M. De Rosa, G. Santambrogio, P. De Natale, and P. Maddaloni, J. Mol. Spectr., 300, 116 (2014) (abstract/doi)

26. PRL Editor's Suggestion: "Imaging Cold Molecules on a Chip", S. Marx, D. Adu Smith, M. J. Abel, T. Zehentbauer, G. Meijer, and G. Santambrogio, Phys. Rev. Lett., 111, 243007 (2013) (abstract/doi) (arXiv) Synopsis

25. "Kinetic Study of the Reaction of Vanadium and Vanadium-Titanium Oxide Cluster Anions with SO2", E. Janssens, S. M. Lang, M. Brümmer, A. Niedziela, G. Santambrogio, K. R. Asmis, and J. Sauer, Phys. Chem. Chem. Phys. 14 (41), 14344 (2012) (abstract/doi)

24. "Vibrationally exciting molecules trapped on a microchip", M. J. Abel, S. Marx, G. Meijer, and G. Santambrogio, Mol. Phys. 110, 1829 (2012) (abstract/doi)

23. "Spatial distribution of ions in a linear octopole radio-frequency ion trap in the space-charge limit", T. Majima, G. Santambrogio, C. Bartels, A. Terasaki, T. Kondow, J. Meinen, and T. Leisner, Phys. Rev. A 85, 053414 (2012) (abstract/doi) (arXiv)

22. "Structural Variability in Transition Metal Oxide Clusters: Gas Phase Vibrational Spectroscopy of V3O6−8+", K. R. Asmis, T. Wende, M. Brümmer, O. Gause, G. Santambrogio, E. C. Stanca-Kaposta, J. Döbler, A. Niedzielac, and J. Sauer, Phys. Chem. Chem. Phys. 14 (26), 9377 (2012) (abstract/doi)

21. "An electrostatic elliptical mirror for neutral polar molecules", A. I. Gonzalez Florez, S. A. Meek, H. Haak, H. Conrad, G. Santambrogio, and G. Meijer, Phys. Chem. Chem. Phys. 13, 18830 (2011) (abstract/doi) (arXiv).

20. "Suppression of non-adiabatic losses of molecules from chip-based microtraps", S. A. Meek, G. Santambrogio, B. G. Sartakov, H. Conrad, and G. Meijer, Phys. Rev. A 83, 033413 (2011) (abstract/doi) (arXiv).

19. Cover Article: "Driving rotational transitions in molecules on a chip", G. Santambrogio, S. A. Meek, M. J. Abel, L. M. Duffy, and G. Meijer, Chem. Phys. Chem. 12 (10), 1799 (2011) (abstract/doi) (arXiv).

18. "A bendable ionguide", G. Santambrogio, M. Ichihashi, T. Kondow, Japanese Patent Application No. 2010-129439 Registration No. JP,5297773,B (2010) (pdf)

17. "The structure of Au6Y+ in the gas phase", L. Lin, P. Claes, T. Höltzl, E. Janssens, T. Wende, R. Bergmann, G. Santambrogio, G. Meijer, K. R. Asmis, M. T. Nguyen and P. Lievens, Phys. Chem. Chem. Phys. 12, 13907 (2010) (abstract/doi)

16. "Taming molecular beams; towards a gas-phase molecular laboratory on a chip", S. A. Meek, G. Santambrogio, H. Conrad, and G. Meijer, J. Phys.: Conf. Ser. 194, 012063 (2009) (abstract/doi).

15. "Gas phase vibrational spectroscopy of mass-selected vanadium oxide anions", G. Santambrogio, M. Brümmer, L. Wöste, J. Döbler, M. Sierka, J. Sauer, G. Meijer, and K. R. Asmis, Phys. Chem. Chem. Phys. 10, 3992 (2008) (abstract/doi)

14. "Vibrational spectra of small silicon monoxide cluster cations measured by infrared multiple photon dissociation spectroscopy", E. Garand, D. Goebbert, G. Santambrogio, E. Janssens, P. Lievens, G. Meijer, D. M. Neumark, and K. R. Asmis, Phys. Chem. Chem. Phys. 10, 1502 (2008) (abstract/doi)

13. "Identification of Conical Structures in Small Aluminum Oxide Clusters: Infrared Spectroscopy of (Al2O3)1-4(AlO)+", G. Santambrogio, E. Janssens, S. Li, T. Siebert, G. Meijer, K. R. Asmis, J. Döbler, M. Sierka, and J. Sauer, J. Am. Chem. Soc. 130, 15143 (2008) (abstract/doi)

12. "Vibrational signature of hydrogen bonding in the protonated ammonia clusters NH4+(NH3)1-4", Y. Yang, O. Kühn, G. Santambrogio, D. Goebbert, and K. R. Asmis, J. Chem. Phys. 129, 224302 (2008) (abstract/doi)

11. "Gas-Phase Infrared Spectroscopy and Multidimensional Quantum Calculations of the Protonated Ammonia Dimer N2H7+", K. R. Asmis, Y. Yang, G. Santambrogio, M. Brümmer, J. R. Roscioli, L. R. McCunn, M. A. Johnson, and O. Kühn, Angew. Chem. Int. Ed. 46, 8691 (2007) (abstract/doi)

10. "Unexpected Structures of Gas Phase Aluminum Oxide Clusters", M. Sierka, J. Döbler, J. Sauer, G. Santambrogio, M. Brümmer, L. Wöste, E. Janssens, G. Meijer, and K. R. Asmis, Angew. Chem. Int. Ed. 46, 3372 (2007) (abstract/doi)

9. "Gas-Phase Infrared Photodissociation Spectroscopy of Tetravanadium-oxo and Oxo-methoxo Cluster-Anions", S. Feyel, H. Schwarz, D. Schröder, C. Daniel, H. Hartl, J. Döbler, J. Sauer, G. Santambrogio, L. Wöste, and K. Asmis, Chem. Phys. Chem. 8, 1640 (2007) (abstract/doi)

8. "Vibrational spectroscopy of hydrated electron clusters (H2O)15−50 via infrared multiple photon dissociation", K. R. Asmis, G. Santambrogio, J. Zhou, E. Garand, J. Headrick, D. Goebbert, M. A. Johnson, and D. M. Neumark, J. Chem. Phys. 126, 191105 (2007) (abstract/doi)

7. "Infrared spectroscopy of hydrated sulfate dianions", J. Zhou, G. Santambrogio, M. Brümmer, D. T. Moore, L. Wöste, G. Meijer, D. M. Neumark, and K. R. Asmis, J. Chem. Phys. 125, 111102 (2006) (abstract/doi)

6. "Isomorphous Substitution in Bimetallic Oxide Clusters", E. Janssens, G. Santambrogio, M. Brümmer, L. Wöste, P. Lievens, J. Sauer, G. Meijer, and K. R. Asmis, Phys. Rev. Lett. 96, 233401 (2006) (abstract/doi)

5. "Polyhedral Vanadium Oxide Cages: Infrared Spectra of Cluster Anions and Size-Induced d-Electron Localization", K. R. Asmis, G. Santambrogio, M. Brümmer, and J. Sauer, Angew. Chem. Int. Ed. 44, 3122 (2005) (abstract/doi)

4. "Gas Phase Infrared Spectroscopy of Mono- and Divanadium Oxide Cluster Cations", K. R. Asmis, G. Meijer, M. Brümmer, C. Kaposta, G. Santambrogio, L. Wöste, and J. Sauer, J. Chem. Phys. 120, 6461 (2004) (abstract/doi)

3. "Formation and photodepletion of cluster ion-messenger atom complexes in a cold ion trap: Infrared Spectroscopy of VO+, VO2+, and VO3+", M. Brümmer, C. Kaposta, G. Santambrogio, and K. R. Asmis, J. Chem. Phys. 119, 12700 (2003) (abstract/doi)

2. "Gas-Phase Infrared Spectrum of the Protonated Water Dimer", K. R. Asmis, N. L. Pivonka, G. Santambrogio, M. Brümmer, C. Kaposta, D. M. Neumark, and L. Wöste, Science 299, 1375 (2003) (abstract/doi)

1. "Mass-selected infrared photodissociation spectroscopy of V4O10+", K. R. Asmis, M. Brümmer, C. Kaposta, G. Santambrogio, G. von Helden, G. Meijer, K. Rademann and L. Wöste, Phys. Chem. Chem. Phys. 4, 1101 (2002) (abstract/doi)