Synthesis of monodispersed model catalysts using softlanding cluster deposition
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Electron Beam Induced Deposition (EBID) allows deposition of three-dimensional micro- and nano-structures of conductive and insulating materials on a wide range of substrates. The process is based on the decomposition of molecules of a pre-selected precurs ...
The synthesis of [PPN][IrRu3(CO)13] and [PPN][IrOs3(CO)13] from the reaction of [PPN][Ir(CO)4] with M3(CO)12 (M = Ru or Os) is discussed. [PPN][IrRu3(CO)13] is a red-brown microcryst. powder, while [PPN][IrOs3(CO)13] is an orange-red microcryst. powder. Bo ...
Genotypic analysis was performed on 48 Mycobacterium tuberculosis complex strains collected from a hospital in Dhaka city. Deletion analysis showed that the isolates were all M. tuberculosis; 13 of them were found to be of the "ancestral" type, while 35 we ...
Sequential adsorption of N atoms on a MgO(100) supported Fe-7 cluster is studied using a density functional approach. For the number of adsorbates varying between one and six, the most favorable adsorption geometries are determined and the corresponding po ...
Microscopic processes induced by the controlled deposition of mass selected silver clusters on graphite (HOPG) and Pt(111) are investigated. The implantation of silver clusters into the HOPG surface is analyzed. The first step consists in a systematic stud ...
Carbon nanofibers (CNF) were synthesized on sintered metal fibers (SMF) filters of nickel and Ni-containing alloys (Inconel, stainless steel (SS)) by thermal chemical vapor deposition of ethane in the presence of hydrogen at not, vert, similar660 °C. The C ...
A flexible method for simultaneous nanoscale structures fabrication and patterning is described, using a combination of stencil mask and pulsed-laser deposition (PLD) techniques. A miniature shadow-mask with nano-apertures in a very thin microfabricated me ...
Many potential applications in nanotechnology require virtually defect-free arrays of nanometre-scale particles over large areas. Guided self-assembly of colloidal particles on patterned templates has been shown to produce ordered arrays of colloidal parti ...
Oriented films of tetracene and pentacene have been obtained by high vacuum sublimation onto oriented poly(tetrafluoroethylene) (PTFE) substrates. Polymorphism, orientation, and morphology of the pentacene and tetracene films are studied as a function of d ...
An HMM-based speaker clustering framework is presented, where the number of speakers and segmentation boundaries are unknown \emph{a priori}. Ideally, the system aims to create one pure cluster for each speaker. The HMM is ergodic in nature with a minimum ...