Search Results - "Gosele, Ulrich"

Silicon Nanowires: A Review on Aspects of their Growth and their Electrical Properties by Schmidt, Volker, Wittemann, Joerg V., Senz, Stephan, Gösele, Ulrich

“…This paper summarizes some of the essential aspects of silicon‐nanowire growth and of their electrical properties. In the first part, a brief description of…”
Get full text

Nanoporous Pt−Co Alloy Nanowires: Fabrication, Characterization, and Electrocatalytic Properties by Liu, Lifeng, Pippel, Eckhard, Scholz, Roland, Gösele, Ulrich

“…Nanoporous Pt−Co alloy nanowires were synthesized by electrodeposition of Co-rich Pt1Co99 alloy into anodic aluminum oxide (AAO) membranes, followed by a…”
Get full text

Formation of Nanotubes and Hollow Nanoparticles Based on Kirkendall and Diffusion Processes: A Review by Fan, Hong Jin, Gösele, Ulrich, Zacharias, Margit

“…The Kirkendall effect is a consequence of the different diffusivities of atoms in a diffusion couple causing a supersaturation of lattice vacancies. This…”
Get full text

Metal-Assisted Chemical Etching of Silicon: A Review by Huang, Zhipeng, Geyer, Nadine, Werner, Peter, de Boor, Johannes, Gösele, Ulrich

“…This article presents an overview of the essential aspects in the fabrication of silicon and some silicon/germanium nanostructures by metal‐assisted chemical…”
Get full text

Heterogeneous Integration of Compound Semiconductors by Moutanabbir, Oussama, Gösele, Ulrich

“…The ability to tailor compound semiconductors and to integrate them onto foreign substrates can lead to superior or novel functionalities with a potential…”
Get full text

A Continuous Process for Structurally Well-Defined Al2O3 Nanotubes Based on Pulse Anodization of Aluminum by Lee, Woo, Scholz, Roland, Gösele, Ulrich

“…A continuous process for the preparation of structurally well-defined uniform alumina (Al2O3) nanotubes was developed. The present nanofabrication approach is…”
Get full text

Fast fabrication of long-range ordered porous alumina membranes by hard anodization by Lee, Woo, Ji, Ran, Gösele, Ulrich, Nielsch, Kornelius

“…Nanoporous anodic aluminium oxide has been widely used for the development of various functional nanostructures. So far these self-organized pore structures…”
Get full text

Extended Arrays of Vertically Aligned Sub-10 nm Diameter [100] Si Nanowires by Metal-Assisted Chemical Etching by Huang, Zhipeng, Zhang, Xuanxiong, Reiche, Manfred, Liu, Lifeng, Lee, Woo, Shimizu, Tomohiro, Senz, Stephan, Gösele, Ulrich

“…Large-area high density silicon nanowire (SiNW) arrays were fabricated by metal-assisted chemical etching of silicon, utilizing anodic aluminum oxide (AAO) as…”
Get full text

Oxidation Rate Effect on the Direction of Metal-Assisted Chemical and Electrochemical Etching of Silicon by Huang, Zhipeng, Shimizu, Tomohiro, Senz, Stephan, Zhang, Zhang, Geyer, Nadine, Gösele, Ulrich

“…Assisted by noble metal particles, non-(100) Si substrates were etched in solutions with different oxidant concentrations at different temperatures. The…”
Get full text

Spontaneous Current Oscillations during Hard Anodization of Aluminum under Potentiostatic Conditions by Lee, Woo, Kim, Jae-Cheon, Gösele, Ulrich

“…Nanoporous anodic aluminum oxide is prepared by hard anodization of aluminum under potentiostatic conditions using 0.3 M H2C2O4. Under unstirred electrolyte…”
Get full text

Influence of Surface Diffusion on the Formation of Hollow Nanostructures Induced by the Kirkendall Effect:  The Basic Concept by Fan, Hong Jin, Knez, Mato, Scholz, Roland, Hesse, Dietrich, Nielsch, Kornelius, Zacharias, Margit, Gösele, Ulrich

“…The Kirkendall effect has been widely applied for fabrication of nanoscale hollow structures, which involves an unbalanced counterdiffusion through a reaction…”
Get full text

Ferroelectric Switching in Multiferroic Magnetite (Fe3O4) Thin Films by Alexe, Marin, Ziese, Michael, Hesse, Dietrich, Esquinazi, Pablo, Yamauchi, Kunihiko, Fukushima, Tetsuya, Picozzi, Silvia, Gösele, Ulrich

“…Real‐time ferroelectric polarization switching in magnetite epitaxial thin films is reported, proving that magnetite is not only historically the first…”
Get full text

Functional Perovskites - From Epitaxial Films to Nanostructured Arrays by Vrejoiu, Ionela, Alexe, Marin, Hesse, Dietrich, Gösele, Ulrich

“…Functional perovskite materials gain increasing significance due to their wide spectrum of attractive properties, including ferroelectric, ferromagnetic,…”
Get full text

Ordered Arrays of Vertically Aligned [110] Silicon Nanowires by Suppressing the Crystallographically Preferred Etching Directions by Huang, Zhipeng, Shimizu, Tomohiro, Senz, Stephan, Zhang, Zhang, Zhang, Xuanxiong, Lee, Woo, Geyer, Nadine, Gösele, Ulrich

“…The metal-assisted etching direction of Si(110) substrates was found to be dependent upon the morphology of the deposited metal catalyst. The etching direction…”
Get full text

Reducing Stress on Cells with Apoferritin-Encapsulated Platinum Nanoparticles by Zhang, Lianbing, Laug, Linda, Münchgesang, Wolfram, Pippel, Eckhard, Gösele, Ulrich, Brandsch, Matthias, Knez, Mato

“…The great potential for medical applications of inorganic nanoparticles in living organisms is severely restricted by the concern that nanoparticles can…”
Get full text

Capillary Condensation and Evaporation in Alumina Nanopores with Controlled Modulations by Bruschi, Lorenzo, Mistura, Giampaolo, Liu, Lifeng, Lee, Woo, Gösele, Ulrich, Coasne, Benoit

“…Capillary condensation in nanoporous anodic aluminum oxide presenting not interconnected pores with controlled modulations is studied using adsorption…”
Get full text

Greatly Increased Toughness of Infiltrated Spider Silk by Lee, Seung-Mo, Pippel, Eckhard, Gösele, Ulrich, Dresbach, Christian, Qin, Yong, Chandran, C. Vinod, Bräuniger, Thomas, Hause, Gerd, Knez, Mato

“…In nature, tiny amounts of inorganic impurities, such as metals, are incorporated in the protein structures of some biomaterials and lead to unusual mechanical…”
Get full text

Rayleigh-Instability-Induced Metal Nanoparticle Chains Encapsulated in Nanotubes Produced by Atomic Layer Deposition by Qin, Yong, Lee, Seung-Mo, Pan, Anlian, Gösele, Ulrich, Knez, Mato

“…Cu nanoparticle chains encapsulated in Al2O3 nanotubes were successfully generated in a controlled manner by reduction of CuO nanowires embedded in Al2O3 at a…”
Get full text

Nanostructured Gold Films for SERS by Block Copolymer-Templated Galvanic Displacement Reactions by Wang, Yong, Becker, Michael, Wang, Li, Liu, Jinquan, Scholz, Roland, Peng, Juan, Gösele, Ulrich, Christiansen, Silke, Kim, Dong Ha, Steinhart, Martin

“…Up to now, little effort has been made to exploit large-area high-throughput patterning by block copolymer (BCP) lithography to generate nanostructured…”
Get full text

A Template-Based Electrochemical Method for the Synthesis of Multisegmented Metallic Nanotubes by Lee, Woo, Scholz, Roland, Nielsch, Kornelius, Gösele, Ulrich

“…Bimetallic nanotubes: Uniform arrays of metal nanotubes were prepared by the electrodeposition of a thin metallic film on the pore walls of anodic aluminum…”
Get full text