Prof. Dr. Hans-Joachim Freund - Publications

2414 Gold-Decorated Biphase α-Fe2O3(0001): Activation by CO-Induced Surface Reduction H. Qiu, H. Kuhlenbeck, E. Bauer, H. J. Freund The Journal of Physical Chemistry C 2018, 123, 8221–8227, 10.1021/acs.jpcc.8b08521

2383 Wasserbildung unter dünnen Silika-Filmen: Echtzeitbeobachtung einer chemischen Reaktion in einem physikalisch eingegrenzten Raum M. J. Prieto, H. W. Klemm, F. Xiong, D. M. Gottlob, D. Menzel, T. Schmidt, H. J. Freund Angewandte Chemie 2018, 130, 8885–8889, 10.1002/ange.201802000

2382 Formation and Evolution of Ultrathin Silica Polymorphs on Ru(0001) Studied with Combinedin Situ, Real-Time Methods H. W. Klemm, M. J. Prieto, G. Peschel, A. Fuhrich, E. Madej, F. Xiong, D. Menzel, T. Schmidt, H. J. Freund The Journal of Physical Chemistry C 2018, 123, 8228–8243, 10.1021/acs.jpcc.8b08525

2381 CO2Adsorption on CaO(001): Temperature-Programmed Desorption and Infrared Study X. Weng, Y. Cui, S. Shaikhutdinov, H. J. Freund The Journal of Physical Chemistry C 2018, 123, 1880–1887, 10.1021/acs.jpcc.8b11415

2319 Model systems in heterogeneous catalysis: towards the design and understanding of structure and electronic properties Q. Pan, L. Li, S. Shaikhutdinov, Y. Fujimori, M. Hollerer, M. Sterrer, H. J. Freund Faraday Discussions 2018, 208, 307–323, 10.1039/c7fd00209b

2300 Water Formation under Silica Thin Films: Real-Time Observation of a Chemical Reaction in a Physically Confined Space M. J. Prieto, H. W. Klemm, F. Xiong, D. M. Gottlob, D. Menzel, T. Schmidt, H. J. Freund Angewandte Chemie International Edition 2018, 57, 10.1002/anie.201802000

2299 Controlling the charge state of supported nanoparticles in catalysis: lessons from model systems G. Pacchioni, H. J. Freund Chemical Society Reviews 2018, 47, 8474–8502, 10.1039/c8cs00152a

2239 Carbon Monoxide Oxidation on Metal-Supported Monolayer Oxide Films: Establishing Which Interface is Active K. Zhang, L. Li, S. Shaikhutdinov, H. J. Freund Angewandte Chemie International Edition 2018, 57, 1261–1265, 10.1002/anie.201710934

2238 Charge Control in Model Catalysis: The Decisive Role of the Oxide-Nanoparticle Interface W. D. Schneider, M. Heyde, H. J. Freund Chemistry - A European Journal 2018, 24, 2317–2327, 10.1002/chem.201703169

2160 Ultrathin Zn and ZnO films on Cu(111) as model catalysts B. H. Liu, I. M. N. Groot, Q. Pan, S. Shaikhutdinov, H. J. Freund Applied Catalysis A: General 2017, 548, 16–23, 10.1016/j.apcata.2017.06.043

2138 Oxygen Scrambling of CO2Adsorbed on CaO(001) B. H. Solis, J. Sauer, Y. Cui, S. Shaikhutdinov, H. J. Freund The Journal of Physical Chemistry C 2017, 121, 18625–18634, 10.1021/acs.jpcc.7b05293

2128 Carbon Dioxide Adsorption on V2O3(0001) M. A. Haija, Y. Romanyshyn, A. Uhl, H. Kuhlenbeck, H. J. Freund Topics in Catalysis 2017, 60, 413–419, 10.1007/s11244-017-0810-4

2104 Support Effects on CO Oxidation on Metal-supported Ultrathin FeO(1 1 1) Films X. Weng, K. Zhang, Q. Pan, Y. Martynova, S. Shaikhutdinov, H. J. Freund ChemCatChem 2017, 10.1002/cctc.201601447

2087 Location of Trapped Electron Centers in the Bulk of Epitaxial MgO(001) Films Grown on Mo(001) Usingin situ W-band Electron Paramagnetic Resonance Spectroscopy D. Cornu, J. Rocker, A. Gonchar, T. Risse, H. J. Freund Physical Review Letters 2016, 117, 16801– 10.1103/PhysRevLett.117.016801

1957 Models for heterogeneous catalysts: studies at the atomic level H. J. Freund Rendiconti Lincei 2016, 10.1007/s12210-016-0560-4

1956 Nanoscale Patterns on Polar Oxide Surfaces M. Lewandowski, I. M. N. Groot, Z. H. Qin, T. Ossowski, T. Pabisiak, A. Kiejna, A. Pavlovska, S. Shaikhutdinov, H. J. Freund, E. Bauer Chemistry of Materials 2016, 28, 7433–7443, 10.1021/acs.chemmater.6b03040

1921 Supports and modified nano-particles for designing model catalysts C. P. O'Brien, K. H. Dostert, M. Hollerer, C. Stiehler, F. Calaza, S. Schauermann, S. Shaikhutdinov, M. Sterrer, H. J. Freund Faraday Discuss. 2016, 188, 309–321, 10.1039/c5fd00143a

1915 Apparatus for low temperature thermal desorption spectroscopy of portable samples S. Stuckenholz, C. Büchner, H. Ronneburg, G. Thielsch, M. Heyde, H. J. Freund Review of Scientific Instruments 2016, 87, 45103– 10.1063/1.4945265

1902 Interaction of Water with the CaO(001) Surface Y. Fujimori, X. Zhao, X. Shao, S. V. Levchenko, N. Nilius, M. Sterrer, H. J. Freund The Journal of Physical Chemistry C 2016, 120, 5565–5576, 10.1021/acs.jpcc.6b00433

1876 Carbon Dioxide Activation and Reaction Induced by Electron Transfer at an Oxide-Metal Interface F. Calaza, C. Stiehler, Y. Fujimori, M. Sterrer, S. Beeg, M. Ruiz-Oses, N. Nilius, M. Heyde, T. Parviainen, K. Honkala, H. Häkkinen, H. J. Freund Angewandte Chemie International Edition 2015, 54, 12484–12487, 10.1002/anie.201501420

1808 Tuning Spatial Distribution of Surface Hydroxyls on a Metal-Supported Single-Layer Silica B. Yang, S. Shaikhutdinov, H. J. Freund The Journal of Physical Chemistry Letters 2014, 5, 1701–1704, 10.1021/jz500689t

1807 Aktivierung und Elektronentransfer-induzierte Reaktion von Kohlendioxid an einer Oxid-Metall-Grenzfläche F. Calaza, C. Stiehler, Y. Fujimori, M. Sterrer, S. Beeg, M. Ruiz-Oses, N. Nilius, M. Heyde, T. Parviainen, K. Honkala, H. Häkkinen, H. J. Freund Angewandte Chemie 2015, 127, 12661–12665, 10.1002/ange.201501420

1806 Molecular Adsorption Changes the Quantum Structure of Oxide-Supported Gold Nanoparticles: Chemisorption versus Physisorption C. Stiehler, F. Calaza, W. D. Schneider, N. Nilius, H. J. Freund Physical Review Letters 2015, 115, 368041–368045, 10.1103/PhysRevLett.115.036804

1733 Does the Surface Structure of Oxide Affect the Strong Metal-Support Interaction with Platinum? Platinum on Fe3O4 (0 0 1) versus Fe3O4 (1 1 1) K. Zhang, S. Shaikhutdinov, H. J. Freund ChemCatChem 2015, 7, 3725–3730, 10.1002/cctc.201500328

1709 Model Approach in Heterogeneous Catalysis: Kinetics and Thermodynamics of Surface Reactions S. Schauermann, H. J. Freund Accounts of Chemical Research 2015, 48, 2775–2782, 10.1021/acs.accounts.5b00237

1699 Probing the electronic properties and charge state of gold nanoparticles on ultrathin MgO versus thick doped CaO films Y. Cui, C. Stiehler, N. Nilius, H. J. Freund Physical Review B 2015, 92, 754441–754448, 10.1103/PhysRevB.92.075444

1691 Enhanced CO Oxidation on the Oxide/Metal Interface: From Ultra-High Vacuum to Near-Atmospheric Pressures Q. Pan, X. Weng, M. Chen, L. Giordano, G. Pacchioni, C. Noguera, J. Goniakowski, S. Shaikhutdinov, H. J. Freund ChemCatChem 2015, 7, 2620–2627, 10.1002/cctc.201500394

1689 Characterization of O--Centers on Single Crystalline MgO(001)-Films A. Gonchar, J. Lian, T. Risse, H. J. Freund, C. Di Valentin, G. Pacchioni Topics in Catalysis 2015, 58, 811–823, 10.1007/s11244-015-0421-x

1686 MgO on Mo(001): Local Work Function Measurements above Pristine Terrace and Line Defect Sites S. Stuckenholz, C. Büchner, M. Heyde, H. J. Freund The Journal of Physical Chemistry C 2015, 119, 12283–12290, 10.1021/jp512575n

1682 Defect complexes in Li-doped MgO N. A. Richter, F. Stavale, S. V. Levchenko, N. Nilius, H. J. Freund, M. Scheffler Physical Review B 2015, 91, 195305– 10.1103/PhysRevB.91.195305

1681 Weak thermal reduction of biphase Fe2O3(0001) films grown on Pt(111): Sub-surface Fe2+ formation H. Qiu, V. Staemmler, H. Kuhlenbeck, E. Bauer, H. J. Freund Surface Science 2015, 641, 30–36, 10.1016/j.susc.2015.04.025

1646 Formation of Water Chains on CaO(001): What Drives the 1D Growth? X. Zhao, X. Shao, Y. Fujimori, S. Bhattacharya, L. M. Ghiringhelli, H. J. Freund, M. Sterrer, N. Nilius, S. V. Levchenko J. Phys. Chem. Lett. The Journal of Physical Chemistry Letters 2015, 6, 1204–1208, 10.1021/acs.jpclett.5b00223

1642 Evolution of the electronic structure of CaO thin films following Mo interdiffusion at high temperature Y. Cui, Y. Pan, L. Pascua, H. Qiu, C. Stiehler, H. Kuhlenbeck, N. Nilius, H. J. Freund Physical Review B 2015, 91, 35418–35418, 10.1103/PhysRevB.91.035418

1496 Models in Catalysis J. Sauer, H. J. Freund Catalysis Letters 2014, 145, 109–125, 10.1007/s10562-014-1387-1

1480 Phonon-Mediated Electron Transport through CaO Thin Films Y. Cui, S. Tosoni, W. D. Schneider, G. Pacchioni, N. Nilius, H. J. Freund Physical Review Letters 2015, 114, 16804–16805, 10.1103/PhysRevLett.114.016804

1466 Structural Transformations of Zinc Oxide Layers on Pt(111) B. H. Liu, M. E. McBriarty, M. J. Bedzyk, S. Shaikhutdinov, H. J. Freund The Journal of Physical Chemistry C 2014, 118, 28725–28729, 10.1021/jp510069q

1453 Autocatalytic growth of ZnO nanorods from flat Au(111)-supported ZnO films L. Pascua, F. Stavale, N. Nilius, H. J. Freund Phys. Chem. Chem. Phys. 2014, 16, 26741–26745, 10.1039/c4cp03730h

1452 Reactivity of Ultra-Thin ZnO Films Supported by Ag(111) and Cu(111): A Comparison to ZnO/Pt(111) Q. Pan, B. H. Liu, M. E. McBriarty, Y. Martynova, I. M. N. Groot, S. Wang, M. J. Bedzyk, S. Shaikhutdinov, H. J. Freund Catalysis Letters 2014, 144, 648–655, 10.1007/s10562-014-1191-y

1451 Ceria Nanocrystals Exposing Wide (100) Facets: Structure and Polarity Compensation Y. Pan, N. Nilius, C. Stiehler, H. J. Freund, J. Goniakowski, C. Noguera Advanced Materials Interfaces 2014, 1, 1400404– 10.1002/admi.201400404

1450 The role of exposed silver in CO oxidation over MgO(001)/Ag(001) thin films F. Ringleb, Y. Fujimori, M. A. Brown, W. E. Kaden, F. Calaza, H. Kuhlenbeck, M. Sterrer, H. J. Freund Catalysis Today 2014, 240, 206–213, 10.1016/j.cattod.2014.04.025

1449 Interconversion of α-Fe2O3 and Fe3O4 Thin Films: Mechanisms, Morphology, and Evidence for Unexpected Substrate Participation F. Genuzio, A. Sala, T. Schmidt, D. Menzel, H. J. Freund The Journal of Physical Chemistry C 2014, 118, 29068–29076, 10.1021/jp504020a

1434 Charge-Mediated Adsorption Behavior of CO on MgO-Supported Au Clusters X. Lin, B. Yang, H. M. Benia, P. Myrach, M. Yulikov, A. Aumer, M. A. Brown, M. Sterrer, O. Bondarchuk, E. Kieseritzky, J. Rocker, T. Risse, H. J. Gao, N. Nilius, H. J. Freund Journal of the American Chemical Society 2010, 132, 7745–7749, 10.1021/ja101188x

1430 Morphology and Luminescence of ZnO Films Grown on a Au(111) Support F. Stavale, L. Pascua, N. Nilius, H. J. Freund The Journal of Physical Chemistry C 2013, 117, 10552–10557, 10.1021/jp401939x

1429 Surface defects and their impact on the electronic structure of Mo-doped CaO films: an STM and DFT study Y. Cui, X. Shao, S. Prada, L. Giordano, G. Pacchioni, H. J. Freund, N. Nilius Physical Chemistry Chemical Physics 2014, 16, 12764– 10.1039/C4CP01565G

1428 Nature of active sites in Ni2P hydrotreating catalysts as probed by iron substitution H. Zhao, S. T. Oyama, H. J. Freund, R. Włodarczyk, M. Sierka Applied Catalysis B: Environmental 2014, 164, 204–216, 10.1016/j.apcatb.2014.09.010

1419 Oxygen activation on oxide surfaces: A perspective at the atomic level H. J. Freund Catalysis Today 2014, 10.1016/j.cattod.2014.05.037

1418 Luminescence Properties of Nitrogen-Doped ZnO F. Stavale, L. Pascua, N. Nilius, H. J. Freund The Journal of Physical Chemistry C 2014, 118, 13693–13696, 10.1021/jp5035536

1405 Adsorption of thioether molecules on an alumina thin film Y. Pan, N. Nilius, W. D. Schneider, H. J. Freund Surface Science 2014, 628, 111–115, 10.1016/j.susc.2014.05.021

1347 Die atomare Struktur eines metallgestützten glasartigen dünnen Silikafilms L. Lichtenstein, C. Büchner, B. Yang, S. Shaikhutdinov, M. Heyde, M. Sierka, R. Włodarczyk, J. Sauer, H. J. Freund Angewandte Chemie 2012, 124, 416–420, 10.1002/ange.201107097

1346 The Atomic Structure of a Metal-Supported Vitreous Thin Silica Film L. Lichtenstein, C. Büchner, B. Yang, S. Shaikhutdinov, M. Heyde, M. Sierka, R. Włodarczyk, J. Sauer, H. J. Freund Angewandte Chemie International Edition 2012, 51, 404–407, 10.1002/anie.201107097

1345 Modellierung von Zeolithen durch zweidimensionale Aluminosilicatfilme auf Metallunterlagen J. A. Boscoboinik, X. Yu, B. Yang, F. D. Fischer, R. Włodarczyk, M. Sierka, S. Shaikhutdinov, J. Sauer, H. J. Freund Angewandte Chemie 2012, 124, 6107–6111, 10.1002/ange.201201319

1344 Modeling Zeolites with Metal-Supported Two-Dimensional Aluminosilicate Films J. A. Boscoboinik, X. Yu, B. Yang, F. D. Fischer, R. Włodarczyk, M. Sierka, S. Shaikhutdinov, J. Sauer, H. J. Freund Angewandte Chemie International Edition 2012, 51, 6005–6008, 10.1002/anie.201201319

1343 Thin silica films on Ru(0001): monolayer, bilayer and three-dimensional networks of [SiO4] tetrahedra B. Yang, W. E. Kaden, X. Yu, J. A. Boscoboinik, Y. Martynova, L. Lichtenstein, M. Heyde, M. Sterrer, R. Włodarczyk, M. Sierka, J. Sauer, S. Shaikhutdinov, H. J. Freund Physical Chemistry Chemical Physics 2012, 14, 11344–11351, 10.1039/C2CP41355H

1259 A Fresh Look at an Old Nano-Technology: Catalysis H. J. Freund, N. Nilius, T. Risse, S. Schauermann Physical Chemistry Chemical Physics 2014, 10.1039/C3CP55231D

1226 Charge competition with oxygen molecules determines the growth of gold particles on doped CaO films Y. Cui, K. Huang, N. Nilius, H. J. Freund Faraday Discussions 2013, 162, 153– 10.1039/C3FD20130A

1225 CO oxidation over ZnO films on Pt(111) at near-atmospheric pressures Y. Martynova, B. H. Liu, M. E. McBriarty, I. M. N. Groot, M. J. Bedzyk, S. Shaikhutdinov, H. J. Freund Journal of Catalysis 2013, 301, 227–232, 10.1016/j.jcat.2013.02.018

1224 Towards Realistic Surface Science Models of Heterogeneous Catalysts: Influence of Support Hydroxylation and Catalyst Preparation Method M. Sterrer, H. J. Freund Catalysis Letters 2013, 143, 375–385, 10.1007/s10562-013-0987-5

1222 STM Luminescence Spectroscopy of Intrinsic Defects in ZnO(0001̅) Thin Films F. Stavale, N. Nilius, H. J. Freund J. Phys. Chem. Lett. The Journal of Physical Chemistry Letters 2013, 4, 3972–3976, 10.1021/jz401823c

1219 Preparation of Pd–MgO model catalysts by deposition of Pd from aqueous precursor solutions onto Ag(001)-supported MgO(001) thin films F. Ringleb, M. Sterrer, H. J. Freund Applied Catalysis A: General 2013, 10.1016/j.apcata.2013.05.031

1218 CO Oxidation on Metal-Supported Ultrathin Oxide Films: What Makes Them Active? Y. Martynova, S. Shaikhutdinov, H. J. Freund ChemCatChem 2013, 5, 2162–2166, 10.1002/cctc.201300212

1217 Bindung, Aktivierung und Dissoziation von Sauerstoff an dotierten Oxiden Y. Cui, X. Shao, M. Baldofski, J. Sauer, N. Nilius, H. J. Freund Angewandte Chemie 2013, 125, 11595–11598, 10.1002/ange.201305119

1213 Adsorption, Activation, and Dissociation of Oxygen on Doped Oxides Y. Cui, X. Shao, M. Baldofski, J. Sauer, N. Nilius, H. J. Freund Angewandte Chemie International Edition 2013, 52, 11385–11387, 10.1002/anie.201305119

1212 Well-Ordered Transition Metal Oxide Layers in Model Catalysis – A Series of Case Studies H. Kuhlenbeck, S. Shaikhutdinov, H. J. Freund Chemical Reviews 2013, 113, 3986–4034, 10.1021/cr300312n

1211 Hydroxylation of Metal-Supported Sheet-Like Silica Films B. Yang, E. Emmez, W. E. Kaden, X. Yu, J. A. Boscoboinik, M. Sterrer, S. Shaikhutdinov, H. J. Freund The Journal of Physical Chemistry C 2013, 117, 8336–8344, 10.1021/jp401935u

1205 Patterned Defect Structures Predicted for Graphene Are Observed on Single-Layer Silica Films B. Yang, J. A. Boscoboinik, X. Yu, S. Shaikhutdinov, H. J. Freund Nano Letters 2013, 13, 4422–4427, 10.1021/nl402264k

1204 A portable quartz micro balance for physical vapor deposition techniques S. Stuckenholz, C. Büchner, G. Thielsch, M. Heyde, H. J. Freund Review of Scientific Instruments 2013, 84, 85118– 10.1063/1.4819030

1203 Model studies on heterogeneous catalysts at the atomic scale: From supported metal particles to two-dimensional zeolites H. J. Freund, M. Heyde, N. Nilius, S. Schauermann, S. Shaikhutdinov, M. Sterrer Journal of Catalysis 2013, 308, 154–167, 10.1016/j.jcat.2013.06.007

1202 Electron quantization in arbitrarily shaped gold islands on MgO thin films C. Stiehler, Y. Pan, W. D. Schneider, P. Koskinen, H. Häkkinen, N. Nilius, H. J. Freund Physical Review Letters 2013, 88, 115415–115415, 10.1103/PhysRevB.88.115415

1201 Controlling the charge state of single Mo dopants in a CaO film Y. Cui, N. Nilius, H. J. Freund, S. Prada, L. Giordano, G. Pacchioni Physical Review Letters 2013, 88, 205421–205425, 10.1103/PhysRevB.88.205421

1198 Titration of Ce3+ Ions in the CeO2(111) Surface by Au Adatoms Y. Pan, N. Nilius, H. J. Freund, J. Paier, C. Penschke, J. Sauer Physical Review Letters 2013, 111, 206101–206105, 10.1103/PhysRevLett.111.206101

1196 Gold Adsorption on CeO Thin Films Grown on Ru(0001) Y. Pan, Y. Cui, C. Stiehler, N. Nilius, H. J. Freund The Journal of Physical Chemistry C 2013, 117, 21879–21885, 10.1021/jp407605m

1082 Interaction of Probe Molecules with Bridging Hydroxyls of Two-Dimensional Zeolites: A Surface Science Approach A. Boscoboinik, X. Yu, E. Emmez, B. Yang, S. Shaikhutdinov, F. D. Fischer, J. Sauer, H. J. Freund J. Phys. Chem. Lett. J. Phys. Chem. C 2013, 117, 13547–13556, 10.1021/jp405533s

1035 Crossover from two- to three-dimensional gold particle shapes on CaO films of different thicknesses X. Shao, N. Nilius, H. J. Freund Physical Review B 2012, 85, 115444–115444, 10.1103/PhysRevB.85.115444

1034 Probing the properties of metal–oxide interfaces: silica films on Mo and Ru supports L. Lichtenstein, M. Heyde, S. Ulrich, N. Nilius, H. J. Freund Journal of Physics: Condensed Matter 2012, 24, 351010–351017, 10.1088/0953-8984/24/35/354010

1033 Tuning the electronic structure of ultrathin crystalline silica films on Ru(0001) R. Wlodarczyk, M. Sierka, J. Sauer, D. Löffler, J. J. Ulrich, X. Yu, B. Yang, I. M. N. Groot, S. Shaikhutdinov, H. J. Freund Physical Review B 2012, 85, 85403–85403, 10.1103/PhysRevB.85.085403

1029 Stabilizing Gold Adatoms by Thiophenyl Derivatives: A Possible Route toward Metal Redispersion B. Yang, Y. Pan, X. Lin, N. Nilius, H. J. Freund, C. Hulot, A. Giraud, S. Blechert, S. Tosoni, J. Sauer Journal of the American Chemical Society 2012, 134, 11161–11167, 10.1021/ja300304s

1026 Effect of lattice-gas atoms on the adsorption behaviour of thioether molecules Y. Pan, B. Yang, C. Hulot, B. Siegfried, N. Nilius, H. J. Freund Physical Chemistry Chemical Physics 2012, 31, 10987–10993, 10.1039/C2CP41081H

1004 Lithium-molybdate nanostructures grown on the Mo(001) surface F. Stavale, N. Nilius, H. J. Freund Surface Science 2013, 609, 78–84, 10.1016/j.susc.2012.11.007

1003 First experimental proof for aberration correction in XPEEM: Resolution, transmission enhancement, and limitation by space charge effects T. Schmidt, A. Sala, H. Marchetto, E. Umbach, H. J. Freund Ultramicroscopy 2012, 126, 23–32, 10.1016/j.ultramic.2012.11.004

1002 Nanoparticles for Heterogeneous Catalysis: New Mechanistic Insights S. Schauermann, N. Nilius, S. Shaikhutdinov, H. J. Freund Accounts of Chemical Research 2012, 46, 1673–1681, 10.1021/ar300225s

1001 Steering the Growth of Metal Ad-particles via Interface Interactions Between a MgO Thin Film and a Mo Support S. Benedetti, F. Stavale, S. Valeri, C. Noguera, H. J. Freund, J. Goniakowski, N. Nilius Advanced Functional Materials 2013, 23, 78–80, 10.1002/adfm.201201502

1000 From embedded nanoislands to thin films: Topographic and optical properties of europium oxide on MgO(001) films F. Stavale, L. Pascua, N. Nilius, H. J. Freund Physical Review B 2012, 86, 85448–85448, 10.1103/PhysRevB.86.085448

999 Growth of Two-Dimensional Lithium Islands on CaO(001) Thin Films X. Shao, Y. Cui, W. D. Schneider, N. Nillius, H. J. Freund Journal of Physical Chemistry C 2012, 116, 17980–17984, 10.1021/jp306328c

998 Probing the luminescence of single Eu2O3 nano-islands on MgO(001) with scanning tunneling microscopy F. Stavale, N. Nilius, H. J. Freund Applied Physics Letters 2012, 101, 13109–13109, 10.1063/1.4731638

997 Donor Characteristics of Transition-Metal-Doped Oxides: Cr-Doped MgO versus Mo-Doped CaO F. Stavale, X. Shao, N. Nilius, H. J. Freund, S. Prada, L. Giordano, G. Paccioni Journal of the American Chemical Society 2012, 134, 11380–11383, 10.1021/ja304497n

996 Model oxide-supported metal catalysts - comparison of ultrahigh vacuum and solution based preparation of Pd nanoparticles on a single-crystalline oxide substrate H. F. Wang, W. E. Kaden, R. Dowler, M. Sterrer, H. J. Freund Physical Chemistry Chemical Physics 2012, 14, 11525–11533, 10.1039/c2cp41459g

995 Defects and inhomogeneities in Fe3O4(111) thin film growth on Pt(111) A. Sala, H. Marchetto, Z. H. Qin, S. Shaikhutdinov, T. Schmidt, H. J. Freund Physical Review B 2011, 86, 155430–155430, 10.1103/PhysRevB.86.155430

994 Li/Mo Codoping of CaO Films: A Means to Tailor the Equilibrium Shape of Au Deposits X. Shao, N. Nilius, H. J. Freund Journal of the American Society 2012, 134, 2532–2534, 10.1021/ja211396t

970 Surface science approach to catalyst preparation - Pd deposition onto thin Fe3O4(111) films from Pdcl2 precusor H. F. Wang, H. Ariga, R. Dowler, M. Sterrer, H. J. Freund Journal of Catalysis 2012, 286, 1–5, 10.1016/j.jcat.2011.09.026

969 Ultrathin Oxide Films on Metal Supports: Structure-Reactivity Relations S. Shaikhutdinov, H. J. Freund Annual Review of Physical Chemistry 2012, 63, 619–633, 10.1146/annurev-physchem-032511-143737

968 Formation of One-Dimensional Electronic States along the Step Edges of CeO2(111) N. Nilius, S. M. Kozlov, J. F. Jerratsch, M. Baron, X. Shao, F. Vines, S. Shaikhutdinov, K. M. Neyman, H. J. Freund ACS Nano 2012, 6, 1126–1133, 10.1021/nn2036472

967 Adsorption energetics of CO on supported Pd nanoparticles as a function of particle size by single crystal microcalorimetry J. M. Flores-Camacho, J. H. Fischer-Wolfath, M. Peter, C. T. Campbell, S. Schauermann, H. J. Freund Physical Chemistry Chemical Physics 2011, 13, 16800–16810, 10.1039/c1cp21677e

965 Cathodoluminescence of near-surface centres in Cr-doped MgO(001) thin films probed by scanning tunnelling microscopy F. Stavale, N. Nilius, H. J. Freund New Journal of Physics 2012, 14, 33006–33006, 10.1088/1367-2630/14/3/033006

964 The contribution of lattice strain to core-level binding energy shifts in metal nanoparticles: Generality and origin of the shifts P. S. Bagus, A. Wieckowski, H. J. Freund Computational and Theoretical Chemistry 2012, 987, 22–24, 10.1016/j.comptc.2011.06.028

963 Probing the 4f states of ceria by tunneling spectroscopy X. Shao, J. F. Jerratsch, N. Nilius, H. J. Freund Physical Chemistry Chemical Physics 2011, 13, 12646–12651, 10.1039/c1cp21113g

962 Oxide Films as Catalytic Materials and Mofels of Real Catalysts H. J. Freund Oxide Ultrathin Films: Science and Technology Gianfranco Pacchioni, Sergio Valeri Wiley-VCH Verlag Weinheim 2011, 145–179,

961 Growth and Morphology of Calcium-Oxide Films Grown on Mo(001) X. Shao, P. Myrach, N. Nilius, H. J. Freund Journal of Physical Chemistry C 2011, 115, 8784–8789, 10.1021/jp201852x

960 Scanning tunneling microscopy evidence for the Mars-van Krevelen type mechanism of low temperature CO oxidation on an FeO(1 1 1) film on Pt(1 1 1) M. Lewandowski, I. M. N. Groot, S. Shaikhutdinov, H. J. Freund Catalysis Today 2012, 181, 52–55, 10.1016/j.cattod.2011.08.033

958 Die CO-Oxidation als Modellreaktion für heterogene Prozesse H. J. Freund, G. Meijer, M. Scheffler, R. Schlögl, M. Wolf Angewandte Chemie 2011, 50, 10242–10275, 10.1002/ange.201101378

957 CO oxidation as a prototypical reaction for heterogeneous processes H. J. Freund, G. Meijer, M. Scheffler, R. Schlögl, M. Wolf Angewandte Chemie International Edition 2011, 50, 10064–10094, 10.1002/anie.201101378

956 Electron Localization in Defective Ceria Films: A Study with Scanning-Tunneling Micrsocopy and Sensity-Functional Theory J. F. Jerratsch, X. Shao, N. Nilius, H. J. Freund, C. Popa, M. V. Ganduglia-Piroovano, A. M. Burow, J. Sauer Physical Review Letters 2011, 106, 246801–246801, 10.1103/PhysRevLett.106.246801

936 Activation of Oxygen on MgO: O2.- Radical Ion Formation on Thin, Metal-Supported MgO(001) Films A. Gonchar, T. Risse, H. J. Freund, L. Giordano, C. diValentin, G. Pacchioni Angewandte Chemie International Edition 2012, 50, 2635–2638, 10.1002/anie.201005729

932 CO+NO versus CO+O2 reaction on monolayer FeO(111) films on Pt(111) Y. Lei, M. Lewandowski, Y. N. Sun, Y. Fujimori, Y. Martynova, I. M. N. Groot, R. Meyer, L. Giordano, G. Pacchioni, J. Goniakowski, C. Noguera, S. Shaikhutdinov, H. J. Freund ChemCatChem 2011, 3, 671–674, 10.1002/cctc.201000388

770 Oxygen-induced transformations of an FeO(111) film on Pt(111): A combined DFT and STM study L. Giordano, M. Lewandowski, I. M. N. Groot, Y. N. Sun, J. Goniakowski, C. Noguera, S. Shaikhutdinov, G. Pacchioni, H. J. Freund Journal of Physical Chemistry C 2010, 114, 21504–21509, 10.1021/jp1070105

769 Measuring the charge state of point defects on MgO/Ag(001) T. König, G. H. Simon, H. P. Rust, G. Pacchioni, M. Heyde, H. J. Freund Journal of the American Chemical Society 2009, 131, 17544–17545, 10.1021/ja908049n

768 Electronic properties and charge state of gold monomers and chains adsorbed on alumina thin films on NiAl(110) N. Nilius, M. V. Ganduglia-Pirovano, V. Brázdová, M. Kulawik, J. Sauer, H. J. Freund Physical Review B 2010, 81, 45422–45422, 10.1103/PhysRevB.81.045422

767 A portable microevaporator for low temperature single atom studies by scanning tunneling and dynamic force microscopy H. P. Rust, T. König, G. H. Simon, M. Nowicki, V. Simic-Milosevic, G. Thielsch, M. Heyde, H. J. Freund Review of Scientific Instruments 2009, 80, 113705–113705, 10.1063/1.3266971

764 Promotional effect of metal encapsulation on reactivity of iron oxide supported Pt catalysts M. Lewandowski, Y. Sun, Z. Qin, S. Shaikhutdinov, H. J. Freund Applied Catalysis A: General 2011, 391, 407–410, 10.1016/j.apcata.2010.04.030

759 CO adsorption on monometallic and bimetallic Au-Pd nanoparticles supported on oxide thin films H. L. Abbott, A. Aumer, Y. Lei, C. Asokan, R. J. Meyer, M. Sterrer, S. Shaikhutdinov, H. J. Freund Journal of Physical Chemistry C 2010, 114, 17099–17104, 10.1021/jp1038333

758 Particle-size dependent heats of adsorption of CO on supported Pd nanoparticles as measured with a single-crystal microcalorimeter J. H. Fischer-Wolfarth, J. A. Farmer, J. M. Flores-Camacho, A. Genest, I. V. Yudanov, N. Rösch, C. T. Campbell, S. Schauermann, H. J. Freund Physical Review B 2010, 81, 241416–241416, 10.1103/PhysRevB.81.241416

757 Oxidation of Au by surface OH: Nucleation and electronic structure of gold on hydroxylated MgO(001) M. A. Brown, Y. Fujimori, F. Ringleb, X. Shao, F. Stavale, N. Nilius, M. Sterrer, H. J. Freund Journal of the American Chemical Society 2011, 133, 10668–10676, 10.1021/ja204798z

755 Analysis of the broadening of X-ray photoelectron spectroscopy peaks for ionic crystals C. J. Nelin, P. S. Bagus, M. A. Brown, M. Sterrer, H. J. Freund Angewandte Chemie International Edition 2011, 50, 10174–10177, 10.1002/anie.201100964

725 The interplay between structure and CO oxidation catalysis on metal-supported ultrathin oxide films Y. N. Sun, L. Giordano, J. Goniakowski, M. Lewandowski, Z. H. Qin, C. Noguera, S. Shaikhutdinov, G. Pacchioni, H. J. Freund Angewandte Chemie International Edition 2010, 49, 4418–4421, 10.1002/anie.201000437

724 CO adsorption on thin MgO films and single Au adatoms: A scanning tunneling microscopy study B. Yang, X. Lin, H. J. Gao, N. Nilius, H. J. Freund Journal of Physical Chemistry C 2010, 114, 8997–9001, 10.1021/jp100757y

723 Characterizing low-coordinated atoms at the periphery of MgO-supported Au islands using scanning tunneling microscopy and electronic structure calculations X. Lin, N. Nilius, M. Sterrer, P. Koskinen, H. Häkkinen, H. J. Freund Physical Review B 2010, 81, 153406–153406, 10.1103/PhysRevB.81.153406

720 Monolayer iron oxide film on platinum promotes low temperature CO oxidation Y. N. Sun, Z. H. Qin, M. Lewandowski, E. Carrasco, M. Sterrer, S. Shaikhutdinov, H. J. Freund Journal of Catalysis 2009, 266, 359–368, 10.1016/j.jcat.2009.07.002

717 Interaction of water with FeO(111)/Pt(111): Environmental effects and influence of oxygen F. Ringleb, Y. Fujimori, H. F. Wang, H. Ariga, E. Carrasco, M. Sterrer, H. J. Freund, L. Giordano, G. Pacchioni, J. Goniakowski Journal of Physical Chemistry C 2011, 115, 19328–19335, 10.1021/jp207332n

716 Initial formation of positively charged gold on MgO(001) thin films: Identification by experiment and structural assignment by theory M. A. Brown, F. Ringleb, Y. Fujimori, M. Sterrer, H. J. Freund, G. Preda, G. Pacchioni Journal of Physical Chemistry C 2011, 115, 10114–10124, 10.1021/jp201254s

700 Model studies in catalysis N. Nilius, T. Risse, S. Schauermann, S. Shaikhutdinov, M. Sterrer, H. J. Freund Topics in Catalysis 2011, 54, 4–12, 10.1007/s11244-011-9626-9

699 Relating methanol oxidation to the structure of ceria-supported vanadia monolayer catalysts H. L. Abbott, A. Uhl, M. Baron, Y. Lei, R. J. Meyer, D. J. Stacchiola, O. Bondarchuk, S. Shaikhutdinov, H. J. Freund Journal of Catalysis 2010, 272, 82–91, 10.1016/j.jcat.2010.03.009

698 Temperature-dependent morphology, magnetic and optical properties of Li-doped MgO P. Myrach, N. Nilius, S. V. Levchenko, A. Gonchar, T. Risse, K. P. Dinse, L. A. Boatner, W. Frandsen, R. Horn, H. J. Freund, R. Schlögl, M. Scheffler ChemCatChem 2010, 2, 854–862, 10.1002/cctc.201000083

697 Additive coloring of thin, single crystalline MgO(001) films A. Gonchar, T. Risse, E. Giamello, H. J. Freund Physical Chemistry Chemical Physics 2010, 12, 12520–12524, 10.1039/c0cp00197j

696 Model studies in heterogeneous catalysis H. J. Freund Chemistry - A European Journal 2010, 16, 9384–9397, 10.1002/chem.201001724

622 Structures of the ordered water monolayer on MgO(001) R. Włodarczyk, M. Sierka, K. Kwapień, J. Sauer, E. Carrasco, A. Aumer, J. F. Gomes, M. Sterrer, H. J. Freund Journal of Physical Chemistry C 2011, 115, 6764–6774, 10.1021/jp200112c

466 Thickness-Dependent Hydroxylation of MgO(001) Thin Films E. Carrasco, M. A. Brown, M. Sterrer, H.-J. Freund, K. Kwapien, M. Sierka, J. Sauer Journal of Physical Chemistry C 2010, 114, 18207–18214, 10.1021/jp105294e

463 Imaging of individual adatoms on oxide surfaces by dynamic force microscopy G. H. Simon, T. König, H.-P. Rust, M. V. Ganduglia-Pirovano, J. Sauer, M. Heyde, H.-J. Freund Physical Review B 2010, 81, 73411–73411, 10.1103/PhysRevB.81.073411

246 Nucleation of gold atoms on vanadyl-terminated V2O3 (0001) N. Nilius, V. Brázdová, M. V. Ganduglia-Pirovano, V. Simic-Milosevic, J. Sauer, H. J. Freund New Journal of Physics 2009, 11, 93007–93007, 10.1088/1367-2630/11/9/093007

168 When an Encapsulating Oxide Layer Promotes Reaction on Noble Metals: Dewetting and In situ Formation of an "Inverted" FeOx/Pt Catalyst Y. N. Sun, Z. H. Qin, M. Lewandowski, S. Kaya, S. Shaikhutdinov, H. J. Freund Catalysis Letters 2008, 126, 31–35, 10.1007/s10562-008-9643-x

167 Einfluss von Kohlenstoffablagerungen auf die Wasserstoffverteilung in Pd-Nanopartikeln und deren Reaktivität in der Olefinhydrierung M. Wilde, K. Fukutani, W. Ludwig, B. Brandt, J. H. Fischer, S. Schauermann, H. J. Freund Angewandte Chemie 2008, 120, 9430–9434, 10.1002/ange.200801923

166 Influence of Carbon Deposition on the Hydrogen Distribution in Pd Nanoparticles and Their Reactivity in Olefin Hydrogenation M. Wilde, K. Fukutani, W. Ludwig, B. Brandt, J. H. Fischer, S. Schauermann, H. J. Freund Angewandte Chemie International Edition 2008, 47, 9289–9293, 10.1002/anie.200801923

151 Li atoms deposited on single crystalline MgO(001) surface. A combined experimental and theoretical study J. C. Lian, E. Finazzi, C. Di Valentin, T. Risse, H. Gao, G. Pacchioni, H. J. Freund Chemical Physics Letters 2008, 450, 308–311, 10.1016/j.cplett.2007.11.049

150 Properties of Alkali Metal Atoms Deposited on a MgO Surface: A Systematic Experimental and Theoretical Study E. Finazzi, D. V. Cristiana, G. Pacchioni, M. Chiesa, E. Giamello, G. Hongjun, L. Jichun, T. Risse, H. J. Freund Chemistry - A European Journal 2008, 14, 4404–4414, 10.1002/chem.200702012

149 Encapsulation of Pt Nanoparticles as a Result of Strong Metal-Support Interaction with Fe3O4(111) Z. H. Qin, M. Lewandowski, Y. N. Sun, S. Shaikhutdinov, H. J. Freund Journal of Physical Chemistry C 2008, 112, 10209–10213, 10.1021/jp801756q

148 Au Dimers on Thin MgO(001) Films: Flat and Charged or Upright and Neutral? V. Simic-Milosevic, M. Heyde, N. Nilius, T. König, H. P. Rust, M. Sterrer, T. Risse, H. J. Freund, L. Giordano, G. Pacchioni Journal of the American Chemical Society 2008, 130, 7814–7815, 10.1021/ja8024388

147 Gold Supported on Thin Oxide Films: From Single Atoms to Nanoparticles T. Risse, S. Shaikhutdinov, N. Nilius, M. Sterrer, H. J. Freund Accounts of Chemical Research 2008, 41, 949–956, 10.1021/ar800078m

124 Counting electrons transferred through a thin alumina film into Au chains N. Nilius, M. V. Ganduglia-Pirovano, V. Brázdová, M. Kulawik, J. Sauer, H. J. Freund Physical Review Letters 2008, 100, 96802–96802, 10.1103/PhysRevLett.100.096802

121 Interaction of Gold with Cerium Oxide Supports: CeO2(111) Thin Films vs. CeOx Nanoparticles M. Baron, O. Bondarchuk, D. Stacchiola, S. Shaikhutdinov, H. J. Freund Journal of Physical Chemistry C 2009, 113, 6042–6049, 10.1021/jp9001753

120 Morphology and CO adsorption on platinum supported on thin Fe3O4(111) films Z. H. Qin, M. Lewandowski, Y. N. Sun, S. Shaikhutdinov, H. J. Freund Journal of Physics: Condensed Matter 2009, 21, 134019–134019, 10.1088/0953-8984/21/13/134019

119 Gold atoms and clusters on MgO(100) films; an EPR and IRAS study M. Yulikov, M. Sterrer, T. Risse, H. J. Freund Surface Science 2009, 603, 1622–1628, 10.1016/j.susc.2008.10.056