Search Results - "Gruber, Patric A."

Plasticity in Confined Dimensions by Kraft, Oliver, Gruber, Patric A., Mönig, Reiner, Weygand, Daniel

“…This review examines the size effects observed in the mechanical strength of thin metal films and small samples such as single-crystalline pillars, whiskers,…”
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Mechanically robust, ITO-free, 4.8% efficient, all-solution processed organic solar cells on flexible PET foil by Nickel, Felix, Haas, Thomas, Wegner, Eduard, Bahro, Daniel, Salehin, Sayedus, Kraft, Oliver, A. Gruber, Patric, Colsmann, Alexander

“…We present all-solution processed, indium tin oxide-free organic solar cells on mechanically flexible polyethylene terephthalate (PET) substrates with power…”
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Untangling dislocation and grain boundary mediated plasticity in nanocrystalline nickel by Lohmiller, Jochen, Grewer, Manuel, Braun, Christian, Kobler, Aaron, Kübel, Christian, Schüler, Kerstin, Honkimäki, Veijo, Hahn, Horst, Kraft, Oliver, Birringer, Rainer, Gruber, Patric A.

“…Nanocrystalline (nc) materials possess unique mechanical properties, such as very high strength. However, an understanding of the deformation mechanisms and…”
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Influences of Ta passivation layers on the fatigue behavior of thin Cu films by Wang, Dong, Gruber, Patric A., Volkert, Cynthia A., Kraft, Oliver

“…Fatigue behavior of 100nm and 1.0µm thick Cu films with 10nm Ta passivation layers has been studied using cyclic tensile testing. The results show that Ta…”
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Deformation-induced grain growth and twinning in nanocrystalline palladium thin films by Kobler, Aaron, Lohmiller, Jochen, Schäfer, Jonathan, Kerber, Michael, Castrup, Anna, Kashiwar, Ankush, Gruber, Patric A, Albe, Karsten, Hahn, Horst, Kübel, Christian

“…The microstructure and mechanical properties of nanocrystalline Pd films prepared by magnetron sputtering have been investigated as a function of strain. The…”
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Kinetics and driving forces of abnormal grain growth in thin Cu films by Sonnweber-Ribic, Petra, Gruber, Patric A., Dehm, Gerhard, Strunk, Horst P., Arzt, Eduard

“…The abnormal growth of individual (100) oriented grains is monitored by the in situ electron backscatter diffraction technique for more than 24h at three…”
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Differentiation of deformation modes in nanocrystalline Pd films inferred from peak asymmetry evolution using in situ x-ray diffraction by Lohmiller, Jochen, Baumbusch, Rudolf, Kraft, Oliver, Gruber, Patric A

“…Synchrotron-based in situ tensile testing was used to study the dominant deformation mechanisms of nanocrystalline Pd thin films on a compliant substrate. An…”
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Alloy-dependent deformation behavior of highly ductile nanocrystalline AuCu thin films by Lohmiller, Jochen, Spolenak, Ralph, Gruber, Patric A.

“…Nanocrystalline thin films on compliant substrates become increasingly important for the development of flexible electronic devices. In this study,…”
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Monitoring of stress–strain evolution in thin films by reflection anisotropy spectroscopy and synchrotron X-ray diffraction by Wyss, Andreas, Sologubenko, Alla S., Mishra, Nilesha, Gruber, Patric A., Spolenak, Ralph

“…With progressing miniaturization of modern electronic devices, interconnects become increasingly smaller. Additionally, as electronic devices move away from…”
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In situ studies on the cohesive properties of α- and β-Ta layers on polyimide substrates by Frank, Stephan, Gruber, Patric A., Handge, Ulrich A., Spolenak, Ralph

“…Despite much technological interest, a standardized test method for the quantification of the cohesive properties of thin films has not yet been established…”
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Size effects on yield strength and strain hardening for ultra-thin Cu films with and without passivation: A study by synchrotron and bulge test techniques by Gruber, Patric A., Böhm, Jochen, Onuseit, Felix, Wanner, Alexander, Spolenak, Ralph, Arzt, Eduard

“…We present a systematic study of the mechanical properties of different Cu, Ta/Cu and Ta/Cu/Ta films systems. By using a novel synchrotron-based tensile…”
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Microstructural dependence of the fracture toughness of metallic thin films: A bulge test and atomistic simulation study on single-crystalline and polycrystalline silver films by Preiß, Eva I., Lyu, Hao, Liebig, Jan P., Richter, Gunther, Gannott, Florentina, Gruber, Patric A., Göken, Mathias, Bitzek, Erik, Merle, Benoit

“…The microstructure contribution to the very low fracture toughness of freestanding metallic thin films was investigated by bulge fracture tests on 200-nm-thick…”
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Load Sharing Phenomena in Nanoscale Cu/Nb Multilayers by Polyakov, Mikhail N., Lohmiller, Jochen, Gruber, Patric A., Hodge, Andrea M.

“…By use of X‐ray diffraction, the load‐bearing contributions of nanometer‐thick Cu and Nb layers in Cu/Nb multilayer composites are isolated. The Cu bears…”
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Thermo mechanical properties and plastic deformation of gold nanolines and gold thin films by Olliges, Sven, Frank, Stephan, Gruber, Patric A., Auzelyte, Vaida, Solak, Harun, Spolenak, Ralph

“…► Thermo-mechanical properties of Au thin films and Au nanowires. ► Yield strength is strongly temperature dependent. ► Au thin films are stronger compared to…”
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Strong single-crystalline Au films tested by a new synchrotron technique by Gruber, Patric A., Solenthaler, Christian, Arzt, Eduard, Spolenak, Ralph

“…Although it is well known that thin films exhibit mechanical properties very different from those of their bulk counterparts, knowledge of the underlying…”
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Temperature dependence of mechanical properties in ultrathin Au films with and without passivation by Gruber, Patric A., Olliges, Sven, Arzt, Eduard, Spolenak, Ralph

“…Temperature and film thickness are expected to have an influence on the mechanical properties of thin films. However, mechanical testing of ultrathin metallic…”
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Observation of shear band formation in nanocrystalline Pd–Au alloy during in situ SEM compression testing by Ivanisenko, Yulia, Werz, Thomas, Minkow, Alexander, Lohmiller, Jochen, Gruber, Patric A., Kobler, Aaron, Kurmanaeva, Lilia, Fecht, Hans-Jörg

“…Understanding the deformation behavior of nanocrystalline (nc) materials is important because of their possible application as structural materials. The…”
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In situ observation of cracks in gold nano-interconnects on flexible substrates by Olliges, Sven, Gruber, Patric A., Orso, Steffen, Auzelyte, Vaida, Ekinci, Yasin, Solak, Harun H., Spolenak, Ralph

“…Metallic conductors on polymeric substrates are frequently used for printed circuit boards or flexible displays. Optimization of these devices is mostly…”
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Tensile strength of gold nanointerconnects without the influence of strain gradients by Olliges, Sven, Gruber, Patric A., Auzelyte, Vaida, Ekinci, Yasin, Solak, Harun H., Spolenak, Ralph

“…Gold is an ideal material for wires and electrodes on the nanoscale because of its corrosion resistance and biocompatibility. For system integration the…”
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Thermomechanical properties of gold nanowires supported on a flexible substrate by Olliges, Sven, Frank, Stephan, Gruber, Patric A., Auzelyte, Vaida, Kunze, Karsten, Solak, Harun H., Spolenak, Ralph

“…Diffusion-controlled deformation mechanisms may become relevant for nanocrystalline and nanostructured materials at room temperature. In this paper, the…”
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