Materials Literature
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Thin viscous fluids films (or “thin films”) spreading over a solid domain have appli- cations in many physical and biological systems. The dynamics of these thin films can be subject to fluid evaporation and vapor condensation with applications to pre- corneal tear film and thermal management. In this thesis, we study…
In the current research, a time-dependent discrete adjoint algorithm for optimization of electromagnetic problems is developed. The proposed algorithm improves the efficiency for gradient-based optimization. The time-dependent Maxwell equations are discretized using a semi-discrete Petrov-Galerkin method, and time adv…
Correction for 'Dynamic nuclear polarization in a magnetic resonance force microscope experiment' by Corinne E. Isaac et al., Phys. Chem. Chem. Phys., 2016, 18, 8806-8819.
Reinforced Concrete (RC) is an important material in civil construction projects, and rigorous standards exist for rating the structural, wind, vibration, and cyclic design loads. In narrower applications, such as the design of protective saferooms, RC is also designed to bear impact loads which may be applied repeate…
Medium Mn TRIP steels are amongst the most widely researched third generation advanced high strength steels (3G-AHSSs) as they are ideal candidates for automotive light-weighting applications owing to their superior strength and ductility balance. However, the thermal processing cycles of these steels need to be compa…
When I look back to recollect the past years I have spent in the Nanyang Technological University, I realize that it is of my great honor to join the GaN HEMT group and work with so many outstanding researchers closely. This part of experience has become an unforgettable memory of my life. Before presenting the work o…
Phase composition of iron silicide nanocrystals (NCs) in the course of formation by solid phase epitaxy (SPE) method, and embedding into silicon was studied. It was found that SPE of 0.4-nm-thick Fe film at 630 °C resulted in formation of small (less than 29.5 nm) and big (more than 42.6 nm) NCs. The former contained…
β-FeSi2 polycrystalline films with p-type conduction were grown by RF magnetron sputtering using a B-doped p+-Si target with Fe chips. The hole density and mobility were 2 × 1017 cm−3 and 71 cm2 V−1 s−1 at RT, respectively. The acceptor levels formed by the B-doping were obtained to be 10 and 245 meV. In the temperatu…
It has been shown that nanotexturing the surface of otherwise smooth titanium orthopedic materials increases osteoblast proliferation in vitro, and the bone-implant contact area and pullout force in vivo. However, this prior work has not focused on the requirements for scale-up to industrial processes. This dissertati…
Hochfeste Stahle sind bevorzugte Werkstoffe fur die Herstellung von sicheren und zuverlassigen Strukturen in der Industrie. Dabei ist das Schmelzschweisen die Hauptverbindungstechnologie fur diese Werkstoffgruppe. Wahrend der Entwicklung der hochfesten niedriglegierten (engl. HSLA) Stahle wurden in der Vergangenheit u…
Ордена Ленина ИНСТИТУТ ПРИКЛАДНОЙ МАТЕМАТИКИ им
Surface functionalization of nanomaterials to combine different material’s properties together opens up unlimited possibilities for both academic research and industrial applications. In this thesis, flexible and scalable chemical approaches to functionalize carbon nanomaterials (CNMs) are developed for different appl…
The photovoltaic (PV) market is dominated by crystalline Si (c-Si) based solar cell technologies. Device efficiencies >26%, already close to the theoretical single-junction limit of ~30%, have been reported. The work in this thesis aims to further reduce the costs of electricity of the already mature c-Si based PV tec…
pesquisa CICBiomaGUNE, especialmente à Elena e à Eliana, pelo carinho, disponibilidade, apoio e amizade durante meu estágio no laboratório.À Universidade de Brasília pelo fornecimento da estrutura para a realização deste estudo.À CAPES, ao CNPq e ao INCT de Nanobiotecnologia pelo apoio financeiro.E a todas as pessoas…
Si-M-N (M=metal) ceramic nanocomposites are novel materials that combine the advantages of both ceramics and metals. Additionally, a variety of intriguing functional properties are observed in the metal-modified ceramics due to the formation of a second phase, which reveals promising applications in the fields of opti…
The signature of the long-sought Majorana fermion from a heterostructure of a superconductor and a topological material is the zero bias conductance peak (ZBCP). Topological semimetal Antimony is a good material in making such heterostructure. Since it is of a bilayer crystal structure, it is expected to be cleaved be…
Functional biomaterials are being developed as scaffolds to support endogenous cells and to promote the regeneration of ischemic tissue. The aim for this study was to develop a new translational platform for injectable hydrogels using recombinant human collagen (rHC) of two types: type I (TI) and type III (TIII). The…
Industrial and aerospace demands on future technologies have created an urgent need for new material properties that are beyond those of materials known today and that can only be fabricated by designing the respective microstructure at the nanoscale. Taking advantage of the correlation between the molecular structure…
One of the most important prerequisites in the drug development is to attain a reproducible and robust product in terms of its nature, and its chemical and physical properties. This can be challenging, since the crystalline form of drugs and excipients can be directly transformed into the amorphous one during normal p…
Zinc oxide is a popular wide bandgap semiconductor material with versatile electrical and optical properties. In its wurtzite crystal form, this semiconductor is piezoelectric, and has material properties that make it an attractive candidate for fabricating high frequency ultrasound transducers. This thesis describes…