52 documents found

Article / Chapter
2017

Hierarchical self-entangled carbon nanotube tube networks

London: Nature Publishing Group, 2017
Article / Chapter
2017

Nanomechanics of individual aerographite tetrapods

London: Nature Publishing Group, 2017
Article / Chapter
CC BY 3.0
2016

A Tunable Scaffold of Microtubular Graphite for 3D Cell Growth

Washington: ACS Publications, 2016
Dissertation

Interactive Interfaces of Smart Composites

Material Science and Engineering
Dissertation

The influence of surface defects on the degradation behaviour of magnesium...

The degradation of Mg alloys is very sensitive to impurities and microstructure changes. Thus, surface cleaning after manufacturing is essential for all applications under a corrosive environment. In particular for biomedical applications, controlled degradation is crucial. Several studies have turned...
Dissertation

Nanofokus-Röntgenstreuung an komplex magnetoelektrischen Mikrokompositen

Komplex magnetoelektrische Mikrokomposite aus kristallinen Mikronadeln aus dem piezoelektrischen Metalloxid Zinkoxid mit einer amorphen magnetostriktiven (Fe90Co10)78Si12B10 Beschichtung werden über Röntgenstreumethoden charakterisiert. Das Ziel der Studien ist die Bestimmung der mechanischen Wechselwirkung...
Dissertation

Nanowires : from Microchip Integrated Synthesis to Application Examples

Both the high demand in the downscaling of electronic devices and the novel properties of nanowires (NWs) as a result of their high surface-to-volume (S/V) ratio and their quantum mechanical properties have driven NWs to be among the favorite research areas in recent years and are expected to remain...
Dissertation

Methodology of ZnO Based 1D Microstructures : from Synthesis to Application

ZnO is among the most studied materials in the past decades. A large number of synthesis routes and a unique combination of properties offer a wide range of possible applications. This work focuses on the development of applications using 1D ZnO micro- and nanostructures. The development starts with...
Dissertation

Freies Volumen an Polymer-Festkörper-Grenzflächen

In dem Teilprojekt “Verteilung des Freien Volumens an Polymer-Festkörper Grenzflächen“ des Schwerpunktprogramms SPP 1369 der „Deutschen Forschungsgemeinschaft“ (DFG) sollten die Eigenschaften von Polymer-Festkörper-Kompositmaterialien untersucht werden. Die veränderten Eigenschaften hängen hierbei von...
Dissertation

Micro-Structure of Functional Particles and Particle Systems

Nanoparticles and particle systems exhibit exceptional properties in various applications. In the present dissertation the results of the transmission electron microscopy (TEM) analysis in microstructures of nanoparticles and of hybrid nanocomposites with different length scales are presented. The functional...
Dissertation

On the Mechanical Modeling, Visco-Elasticity and Application of Aerographite,...

A three dimensional carbon network material of seamless interconnected and hollow tubes, featuring a graphitic structure and an extremely low density has been designed and fabricated in cm3 volumes. The synthesis of this foam like material, named Aerographite, is based on highly-porous three dimensional...
Dissertation

Freies Volumen an Polymer-Dünnschichten, Polymer-Festkörper-Grenzflächen...

In dieser Arbeit wurde die Verteilung des freien Volumens an der Polymer/Festkörper-Grenzfläche untersucht. Dazu wurden sowohl dünne Filme als auch ein Polymer-Nanokomposit mittels Positronen-Annihilations-Lebenszeit-Spektroskopie (PALS) gemessen. Die Untersuchung dünner Filme wurde am moderierten...
Dissertation

Modifikation technischer Thermoplaste mit polymerfunktionalisierten Silica-Nanopartikel

Die Dissertation befasst sich mit der Herstellung und Charakterisierung von Silica-Nanokompositen, bestehend aus technischen Thermoplasten und polymerfunktionalisierten Silica-Nanopartikeln. In einem ersten Arbeitsabschnitt wird die Funktionalisierung der Oberfläche von handelsüblichen Silica-Nanopartikeln...
Dissertation

Multi-walled Carbon Nanotubes Mixed Matrix Membranes

Mixed matrix membranes (MMMs) are important class of membranes prepared by incorporating nanosized fillers into polymer matrix. During this study Multiwalled carbon nanotubes (MWCNTs) are incorporated into poly(vinylidene fluoride) (PVDF), polyacrylonitrile (PAN), and poly(dimethylsiloxane) (PDMS) to fabricate...