Sökning: "oxide substrates"

Visar resultat 1 - 5 av 130 avhandlingar innehållade orden oxide substrates.

1. 1. Atomic Layer Deposition of Copper, Copper(I) Oxide and Copper(I) Nitride on Oxide Substrates

   Författare :Tobias Törndahl; Jan-Otto Carlsson; Karin Larsson; Mikael Ottosson; Lauri Niinistö; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Inorganic chemistry; Atomic Layer Deposition; ALD; copper; copper I oxide; copper I nitride; deposition pathway; CuCl; Cu hfac 2; oxide substrates; epitaxy; DFT; ab-initio; Oorganisk kemi; Inorganic chemistry; Oorganisk kemi;

   Sammanfattning : Thin films play an important role in science and technology today. By combining different materials, properties for specific applications can be optimised. LÄS MER

3. 2. CVD and ALD of Group IV- and V-Oxides for Dielectric Applications

   Författare :Katarina Forsgren; Steven George; Uppsala universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Chemistry; CVD; ALD; Dielectric constant; Tantalum oxide; Ta2O5; Zirconium oxide; ZrO2; Hafnium oxide; HfO2; QCM; Kemi; Chemistry; Kemi; Inorganic Chemistry; oorganisk kemi;

   Sammanfattning : Due to the constantly decreasing dimensions of electronic devices, the conventional dielectric material in transistors and capacitors, SiO2, has to be replaced by a material with higher dielectric constant. Some of the most promising candidates are tantalum oxide,Ta2O5, zirconium oxide, ZrO2 and hafnium oxide, HfO2. LÄS MER

4. 3. Zinc Oxide Bulk and Nanorods

   Författare :Peter Klason; Göteborgs universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; zinc oxide; Schottky contact; buckling; annealing; semiconductor growth; ion implantation; photoluminescence; nanorods;

   Sammanfattning : Zinc Oxide (ZnO) has many promising properties for optoelectronics, sensor applications, transparent electronics etc. To mention a few, ZnO has a large exciton binding energy (60 meV at room temperature) and a direct wide bandgap energy of 3.37 eV. In addition, ZnO is piezoelectric and shows more resistance to radiation damage than Si and GaN. LÄS MER

5. 4. Mechanical Characterization and Electrochemical Sensor Applications of Zinc Oxide Nanostructures

   Författare :Alimujiang Fulati; Magnus Willander; Qingxiang Qingxiang; Omer Nour; Laszlo Kish; Linköpings universitet; []
   Nyckelord :Nanotechnology; Zinc Oxide; nanorods; nanotubes; nanoporous; buckling; electrochemical sensor; NATURAL SCIENCES; NATURVETENSKAP;

   Sammanfattning : Nanotechnology is emerging to be one of the most important scientific disciplines that physics, chemistry and biology truly overlap with each other. Over the last two decades science and technology have witnessed tremendous improvement in the hope of unveiling the true secrets of the nature in molecular or atomic level. LÄS MER

7. 5. Crystallization on the Mesoscale : Self-Assembly of Iron Oxide Nanocubes into Mesocrystals

   Författare :Michael Agthe; Lennart Bergström; German Salazar-Alvarez; Tommy Nylander; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Self-assembly; iron oxide nanocubes; mesocrystal; small angle X-ray scattering; video microscopy; QCM-D; Materials Chemistry; materialkemi;

   Sammanfattning : Self-assembly of nanoparticles is a promising route to form complex, nanostructured materials with functional properties. Nanoparticle assemblies characterized by a crystallographic alignment of the nanoparticles on the atomic scale, i.e. mesocrystals, are commonly found in nature with outstanding functional and mechanical properties. LÄS MER