Publikationen

Buch

S. Heiles, R. Schäfer, Dielectric Properties of Isolated Clusters, Springer, 1. Auflage 2014, ISBN: 978-94-007-7865-8 (Print) / 978-94-007-7866-5 (Online). Link/ Link
R. Schäfer, P. C. Schmidt, Methods in Physical Chemistry, Wiley-VCH Verlag GmbH & Co. KGaA, 1. Auflage April 2012, ISBN-10: 3527327452 / ISBN-13: 978-3527327454. Link
R. Schäfer, M. Rosemeyer, C. Herwig, J. A. Becker, Chapter 21. Isomers of Neutral Silicon Clusters in P. Jutzi, U. Schubert Silicon Chemistry, Wiley-VCH Verlag GmbH & Co. KGaA, 2003, ISBN: 9783527306473 (Print) / 9783527610761 (Online). Link

Publikationen

83. O. Sander, P. B. Armentrout Hydration Energies of Iron Hydroxide Cation: A Guided Ion Beam and Theoretical Investigation , J. Phys. Chem. A123, 1675 (2019) Link
82. M. Gleditzsch, T. M. Fuchs, R. Schäfer N-Doping at the Sub-Nanoscale: Dielectric and Magnetic Response of Neutral Phosphorus-Doped Tin Clusters , J. Phys. Chem. A123, 1434 (2019) Link
81. M. Jäger, A. Shayeghi, V. Klippenstein, R. L. Johnston, R. Schäfer Chemical bonding in initial building blocks of semiconductors: Geometrical structures and optical absorption spectra of isolated CdSe2+ and Cd2Se2+ species , J. Chem. Phys.149, 244308 (2018) Link
80. T. M. Fuchs, R. Schäfer Double Stern-Gerlach experiments on Mn@Sn12: Refocusing of a paramagnetic superatom , Phys. Rev. A 98, 063411 (2018) Link
79. M. Jäger, R. Schäfer, R. L. Johnston, First principles global optimization of metal clusters and nanoalloys , Adv. Phys. X 3, 1077 (2018) Link
78. A. Shayeghi, L. F. Pašteka, D. A. Götz, P. Schwerdtfeger, R. Schäfer Spin-orbit effects in optical spectra of gold-silver trimers , Phys. Chem. Chem. Phys. 20, 9108 (2018) Link
77. A. Shayeghi, S. Krähling, P. Hörtz R. L. Johnston, C. J. Heard, R. Schäfer Adsorption of Acetonitrile, Benzene, and Benzonitrile on Pt(111): Single Crystal Adsorption Calorimetry and Density Functional Theory , J. Phys. Chem. C 121, 21354 (2017) Link
76. B. Elger, T. Schmidt, S. Krähling, F. Neuberger, R. Schäfer Electrostatic simulation of a complete cluster deposition apparatus based on and compared to experimental results , Rev. Sci. Instrum. 88, 063303 (2017) Link
75. N. Weidler, J. Schuch, F. Knaus, P. Stenner, S. Hoch, A. Maljusch, R. Schäfer, B. Kaiser, W. Jaegermann X-ray Photoelectron Spectroscopic Investigation of Plasma-Enhanced Chemical Vapor Deposited NiOx, NiOx(OH)y, and CoNiOx(OH)y: Influence of the Chemical Composition on the Catalytic Activity for the Oxygen Evolution Reaction , J. Phys. Chem. C 121, 6455 (2017) Link
74. D. Götz, A. Shayeghi, R. Johnston, P. Schwerdtfeger, R. Schäfer Structural evolution and metallicity of lead clusters , Nanoscale 8, 11153 (2016) Link
73. J. Klett, B. Elger, S. Krähling, B. Kaiser, W. Jaegermann, R. Schäfer Water dissociation on silica in the presence of atomic platinum , App. Surf. Sci. 375, 85 (2016) Link
72. C. Heard, A. Shayeghi, R. Schäfer, R. Johnston Charge and Compositional Effects on the 2D–3D Transition in Octameric AgAu Clusters , Z. Phys. Chem. 230, 955 (2016) Link
71. J. Klett, J. Ziegler, A. Radetinac, B. Kaiser, R. Schäfer, W. Jaegermann, F. Urbain, J. Becker, V. Smirnov, F. Finger Band engineering for efficient catalyst-substrate coupling for photoelectrochemical water splitting , Phys. Chem. Chem. Phys. 16, 10751 (2016) Link
70. J. Klett, A. Eva, F. Heinz, B. Kaiser, W. Jägermann, R. Schäfer Electrocatalytic Performance of High-Surface-Area Platinum Catalysts Synthesized by Chemical Vapor Deposition for Water Splitting, ChemCatChem 8, 345 (2016) Link
69. G. G. W. Greening, UV-VIS Absorption Spectra of Molten AgCl and AgBr and of their Mixtures with Group I and II Halide Salts, Zeitschrift für Naturforschung A 70, 787 (2015) Link
68. J. B. A. Davis, A. Shayeghi, S. L. Horswell, R. L. Johnston, The Birmingham parallel genetic algorithm and its application to the direct DFT global optimisation of Ir_N (N = 10–20) clusters, Nanoscale 7, 14032 (2015) Link
67. A. Shayeghi, R. L. Johnston, D. M. Rayner, R. Schäfer, A. Fielicke, The Nature of Bonding between Argon and Mixed Gold–Silver Trimers, Angew. Chem. Int. Ed. 54, (2015) Link;
Angew. Chem. 127, (2015) Link
66. A. Shayeghi, R. Schäfer, D. M. Rayner, R. L. Johnston, A. Fielicke, Charge-induced dipole vs. relativistically enhanced covalent interactions in Ar-tagged Au-Ag tetramers and pentamers, J. Chem. Phys. 143, 024310 (2015) Link
65. A. Shayeghi, D. A. Götz, R.L. Johnston, R. Schäfer, Optical absorption spectra and structures of Ag6+ and Ag8+, Eur. Phys. J. D 69, 152 (2015) Link
64. P. Hörtz, P. Ruff, R. Schäfer, A temperature dependent investigation of the adsorption of CO on Pt(111) using low-temperature single crystal adsorption calorimetry, Surf. Sci. 639, 66 (2015) Link
63. U. Rohrmann, R. Schäfer, Stern-Gerlach Experiments on Fe@Sn12: Magnetic Response of a Jahn–Teller Distorted Endohedrally Doped Molecular Cage Cluster, J. Phys. Chem. C 119, 10958 (2015) Link
62. A. Shayeghi, D. Götz, J.B.A. Davis, R. Schäfer, R.L. Johnston, Pool-BCGA: a parallelised generation-free genetic algorithm for the ab initio global optimisation of nanoalloy clusters, Phys. Chem. Chem. Phys. 17, 2104 (2015) Link
61. A. Shayeghi, R.L. Johnston, R. Schäfer, Communication: Global minimum search of Ag10+ with molecular beam optical spectroscopy , J. Chem. Phys. 141, 181104 (2014) Link
60. U. Rorhmann, P. Schwerdtfeger, R. Schäfer, Atomic domain magnetic nanoalloys: interplay between molecular structure and temperature dependent magnetic and dielectric properties in manganese doped tin clusters, Phys. Chem. Chem. Phys. 16, 23952-23966 (2014) Link
59. P. Hörtz, R. Schäfer, A compact low-temperature single crystal adsorption calorimetry setup for measuring coverage dependent heats of adsorption at cryogenic temperature, Rev. Sci. Instrum. 85, 074101 (2014) Link
58. J. Klett, S. Krähling, B. Elger, R. Schäfer, B. Kaiser, W. Jaegermann, The Electronic Interaction of Pt-Clusters with ITO and HOPG Surfaces upon Water Adsorption, Z. Phys. Chem. 228, 503 (2014) Link
57. D. A. Götz, A. Shayeghi, R.L. Johnston, P. Schwerdtfeger, R. Schäfer, Influence of spin-orbit effects on structures and dielectric properties of neutral lead clusters, J. Chem. Phys. 140, 164313 (2014) Link
56. A. Shayeghi, C.J. Heard, R.L. Johnston, R. Schäfer, Optical and electronic properties of mixed Ag-Au tetramer cations, J. Chem. Phys. 140, 054312 (2014) Link
55. U. Rohrmann, R. Schäfer, Stern-Gerlach Experiments on Mn@Sn12: Identification of a Paramagnetic Superatom and Vibrationally Induced Spin Orientation, Phys. Rev. Lett. 111, 133401 (2013) Link
54. A. Shayeghi, R. L. Johnston, R. Schäfer, Evaluation of photodissociation spectroscopy as a structure elucidation tool for isolated clusters: a case study of Ag4+ and Au4+, Phys. Chem. Chem. Phys. (2013) Link
53. D. A. Götz, R. Schäfer, P. Schwerdtfeger, The Performance of Density Functional and Wavefunction-Based Methods for 2D and 3D Structures of Au10, J. Comp. Chem. (2013) Link
52. S. Heiles, R. L. Johnston, Global optimization of clusters using electronic structure methods, Int. J. Quantum Chem. 113, 2091 (2013). Link
51. D. A. Götz, S. Heiles, R. Schäfer, Polarizabilities of Si_N (N=8–75) clusters from molecular beam electric deflection experiments, Eur. Phys. J. D 66, 293 (2012). Link
50. R. Berger, J. Gutmann, R. Schäfer, Rastersondenmethoden für Polymere und Biomoleküle, Nachrichten aus der Chemie 60, 754-757 (2012). Link
49. S. Heiles, R. L. Johnston, R. Schäfer, Bismuth-Doped Tin Clusters: Experimental and Theoretical Studies of Neutral Zintl Analogues, J. Phys. Chem. A 116, 7756–7764 (2012). Link
48. S. Heiles, K. Hofmann, R. L. Johnston, R. Schäfer, Nine-Atom Tin-Bismuth Clusters: Mimicking Excess Electrons by Element Substitution, ChemPlusChem 77, 532–535 (2012). Link
47. D. A. Götz, S. Heiles, R. L. Johnston, R. Schäfer, Note: Gas phase structures of bare Si8 and Si11 clusters from molecular beam electric deflection experiments, J. Chem. Phys. 136, 186101 (2012). Link
46. S. M. Kast, S. Schäfer, R. Schäfer, Thermally induced polarizabilities and dipole moments of small tin clusters, J. Chem. Phys. 136, 134320 (2012). Link
45. S. Heiles, A. J. Logsdail, R. Schäfer, R. L. Johnston, Dopant-induced 2D–3D transition in small Au-containing clusters: DFT-global optimisation of 8-atom Au–Ag nanoalloys, Nanoscale 4, 1109-1115 (2012). Link
44. R. Joshi, B. Waldschmidt, J. Engstler, R. Schäfer, J. J. Schneider, Generation and agglomeration behaviour of size-selected sub-nm iron clusters as catalysts for the growth of carbon nanotubes, Beilstein J. Nanotechnol. 2, 734–739 (2011). Link
43. S. Heiles, S. Schäfer, R. Schäfer, On the rotational temperature and structure dependence of electric field deflection experiments: A case study of germanium clusters, J. Chem. Phys. 135, 034303 (2011). Link
42. P. Schwerdtfeger, B. Assadollahzadeh, U. Rohrmann, R. Schäfer, J. R. Cheeseman, Breakdown of the pseudopotential approximation for magnetizabilities and electric multipole moments: Test calculations for Au, AuF, and Snn cluster (n≤20), J. Chem. Phys. 134, 204102 (2011). Link
41. R. Berger, J. Gutmann, R. Schäfer, Scanning Probe Methods: From Microscopy to Sensing, Bunsen-Magazin 13/2, 42-53 (2011). Link
40. A. Schießer, P. Hörtz, R. Schäfer, Thermodynamics and kinetics of CO and benzene adsorption on Pt(111) studied with pulsed molecular beams and microcalorimetry, Surf. Sci. 604, 2098-2105 (2010). Link
39. B. Assadollahzadeh, S. Schäfer, P. Schwerdtfeger, Electronic Properties for Small Tin Clusters Snn (n ≤ 20) from Density Functional Theory and the Convergence Toward the Solid State, J. Comput. Chem. 31, 929-937 (2010). Link
38. S. Heiles, S. Schäfer, R. Schäfer, Mass spectrometry and beam deflection studies of tin–lead nanoalloy clusters, Phys. Chem. Chem. Phys. 12, 247–253 (2010). Link
37. U. Rohrmann, S. Schäfer, R. Schäfer, Size- and Temperature-Dependent Magnetic Response of Molecular Cage Clusters: Manganese-Doped Tin Clusters, J. Phys. Chem. A 113, 12115 (2009). Link
36. A. Schießer, R. Schäfer, Versatile piezoelectric pulsed molecular beam source for gaseous compounds and organic molecules with femtomole accuracy for UHV and surface science applications, Rev. Sci. Instrum. 80, 086103 (2009). Link
35. B. Waldschmidt, S. Barman, C. Rajesh, C. Majumder, G. P. Das, R. Schäfer, Energetics and Fragmentation of single-doped Tin and Lead Clusters, Phys. Rev. B 79, 045422 (2009). Link
34. C. Thierfelder, B. Assadollahzadeh, P. Schwerdtfeger, S. Schäfer, R. Schäfer, Relativistic and Electron Correlation Effects in static Dipole Polarizabilities for the Group-14 Elements from Carbon to Element Z=114: Theory and Experiment, Phys. Rev. A 78, 052506 (2008). Link
33. S. Schäfer, B. Assadollahzadeh, M. Mehring, P. Schwerdtfeger, R. Schäfer, Structure and Electric Properties of SnN Clusters (N=6-20) from Combined Electric Deflection Experiments and Quantum Theoretical Studies, J. Phys. Chem. A 112, 12312 (2008). Link
32. S. Schäfer, R. Schäfer, New Molecular Cage Clusters of Pb by Encapsulation of Mg, ChemPhysChem. 9, 1925 (2008). Link
31. S. Schäfer, S. Heiles, J. A. Becker, R. Schäfer, Electric Deflection Studies on Lead Clusters, J. Chem. Phys. 129, 044304 (2008). Link
30. S. Schäfer, R. Schäfer, Dielectric Response of Germanium Clusters, Phys. Rev. B 77, 205211 (2008). Link
29. M. Turra, B. Waldschmidt, B. Kaiser, R. Schäfer, An improved time-of-flight method for Cluster Deposition and Ion-Scattering Experiments, Rev. Sci. Instrum. 79, 013905 (2008). Link
28. S. Schäfer, M. Mehring, R. Schäfer, P. Schwerdtfeger, Polarizabilities of Ba and Ba2: Comparison of Molecular Beam Experiments with Relativistic Quantum Chemistry, Phys. Rev. A 76, 052515 (2007). Link
27. B. Waldschmidt, M. Turra, R. Schäfer, Surface-Induced Dissociation as a Probe for the Energetics and Structure of Lead Clusters, Z. Phys. Chem. 221, 1569 (2007). Link
26. R. Schäfer, The Chemical Potential of Metal Atoms in Small Particles, Z. Phys. Chem. 217, 989 (2003). Link
25. M. Rosemeyer, J. A. Becker, R. Schäfer, Temperature Dependence of Silicon Cluster Isomerization, Z. Phys. Chem. 216, 857 (2002). Link
24. M. Rosemeyer, R. Schäfer, J. A. Becker, Acceleration of Neutral Silicon Cluster Isomers in a Helium Gas Expansion, Chem. Phys. Lett. 339, 323 (2001). Link
23. T. Bachels, H.-J. Güntherodt, R. Schäfer, Melting of Isolated Tin Nanoparticles, Phys. Rev. Lett. 85, 1250 (2000). Link
22. T. Bachels, R. Schäfer, Binding Energies of Neutral Silicon Clusters, Chem. Phys. Lett. 324, 365 (2000). Link
21. T. Bachels, R. Schäfer, H.-J. Güntherodt, The Dependence of Formation Energies of Tin Nanoclusters on their Size and Shape, Phys. Rev. Lett. 84, 4890 (2000). Link
20. T. Strunz, K. Oroszlan, R. Schäfer, H.-J. Güntherodt, Dynamic Force Spectroscopy of Single DNA Molecules, Proc. Natl. Acad. Sci. USA 96, 11277 (1999). Link
19. T. Bachels, F. Tiefenbacher, R. Schäfer, Condensation of Isolated Metal Clusters studied with a Calorimeter, J. Chem. Phys. 110, 10008 (1999). Link
18. Y. Nakagawa, R. Schäfer, High-Resolution Calorimetry: New Perspectives for the Study of Phase Transitions, Angew. Chem. 111, 1152 (1999); Angew. Chem. Int. Ed. Engl. 38, 1083 (1999). Link
17. T. Bachels, R. Schäfer, Formation Enthalpies of Sn Clusters: A Calorimetric Investigation, Chem. Phys. Lett. 300, 177 (1999). Link
16. Y. Nakagawa, R. Schäfer, H.-J. Güntherodt, Picojoule and Submillisecond Calorimetry with Micromechanical Probes, Appl. Phys. Lett. 73, 2296 (1998). Link
15. T. Bachels, R. Schäfer, A Microfabricated Cantilever-based Detector for Molecular Beam Experiments, Rev. Sci. Instrum. 69, 3794 (1998). Link
14. R. Ros, F. Schwesinger, D. Anselmetti, M. Kubon, R. Schäfer, A. Plückthun, L. Tiefenauer, Antigen Binding Forces of individually adressed single-chain Fv Antibody Molecules, Proc. Natl. Acad. Sci. USA 95, 7402 (1998). Link
13. R. Schäfer, J. A. Becker, Polarizability and Localization of Radical Electrons in Open Shell Semiconductor Clusters, Z. Phys. Chem. 203, 37 (1998). Link
12. R. Schäfer, J. A. Becker, Electronic Properties of isolated GaNAsM-Clusters: Photoionization, Photodissociation and Photolumiescence Quantum Yields, Z. Phys. D 40, 490 (1997). Link
11. A. K. Schaper, J. Jiang, R. Schäfer, T. Hihara, J. A. Becker, About the Structure of small GaAs Clusters, Adv. Mat. 9, 343 (1997). Link
10. J. A. Becker, S. Schlecht, R. Schäfer, J. Woenckhaus, F. Hensel, Dielectric Properties of Semiconductor Clusters, Mat. Sci. Eng. A 217/218, 1 (1996). Link
9. R. Schäfer, J. A. Becker, Photoabsorption Spectroscopy on isolated GaNAsM Clusters, Phys. Rev. B 54, 10296 (1996). Link
8. M. T. Reetz, S. A. Quaiser, M. Winter, J. A. Becker, R. Schäfer, U. Stimmig, A. Marmann, R. Vogel, T. Konno, Nanostructured Metal Oxide Clusters by Oxidation of stabilized Metal Clusters with Air, Angew. Chem. 108, 2228 (1996); Angew. Chem. Int. Ed. 35, 2092 (1996). Link
7. M. Sakurai, S. Schlecht, J. Woenckhaus, R. Schäfer, J. A. Becker, Van-der-Waals Forces and Composition of isolated GaNAsM-Clusters, Z. Phys. Chem. 193, 109 (1996). Link
6. J. A. Becker, R. Schäfer, R. Festag, J. H. Wendorff, J. Pebler, S. A. Quaiser, W. Helbig, M. T. Reetz, F. Hensel, Magnetic Properties of Cobalt Custers generated in an Electrochemical Cell, Surf. Rev. Lett. 3, 1121 (1996). Link
5. J. Woenckhaus, R. Schäfer, J. A. Becker, Size selective Measurements of Silicon Cluster Polarizabilities by a Cluster Beam Deflection Method, Surf. Rev. Lett. 3, 371 (1996). Link
4. R. Schäfer, S. Schlecht, J. Woenckhaus, J. A. Becker, Polarizabilities of isolated Semiconductor Clusters, Phys. Rev. Lett. 76, 471 (1996). Link
3. S. Schlecht, R. Schäfer, J. Woenckhaus, J. A. Becker, Electric Dipole Polarizabilities of isolated Gallium Arsenide Clusters, Chem. Phys. Lett. 246, 315 (1995). Link
2. J. A. Becker, R. Schäfer, R. Festag, W. Ruland, J. H. Wendorff, J. Pebler, S. A. Quaiser, W. Helbig, M. T. Reetz, Electrochemical Growth of superparamagnetic Cobalt Clusters, J. Chem. Phys. 103, 2520 (1995). Link
1. R. Schäfer, J. Woenckhaus, J. A. Becker, F. Hensel, Polarizabilities of isolated Silicon Clusters, Z. Naturf. 50a, 445 (1995).