نتایج جستجو برای: superstructure interactions
تعداد نتایج: 389649 فیلتر نتایج به سال:
J. Sekutowicz, P. Castro, A. Gössel, G. Kreps, R. Lange, A. Matheisen, W.-D. Möller, H.-B. Peters, D. Proch, H. Schlarb, S. Schreiber, S. Simrock, M. Wendt DESY, Notkestrasse 85, 22603 Hamburg, Germany N. Baboi SLAC, 2575 Sand Hill Road, Menlo Park, CA 94025, USA M. Ferrario INFN, Via E. Fermi 40, 00044 Frascati, Italy M. Huening FNAL, MS 306, Batavia, IL 60510, USA M. Liepe Cornell University,...
Non-contact atomic force microscopy is used to study C(60) molecules deposited on the rutile TiO(2)(110) surface in situ at room temperature. At submonolayer coverages, molecules adsorb preferentially at substrate step edges. Upon increasing coverage, ordered islands grow from the decorated step edges onto the lower terraces. Simultaneous imaging of bridging oxygen rows of the substrate and the...
The mesostructure of ordered arrays of anisotropic nanoparticles is controlled by a combination of packing constraints and interparticle interactions, two factors that are strongly dependent on the particle morphology. We have investigated how the degree of truncation of iron oxide nanocubes controls the mesostructure and particle orientation in drop cast mesocrystal arrays. The combination of ...
Understanding how polyhedra pack into extended arrangements is integral to the design and discovery of crystalline materials at all length scales. Much progress has been made in enumerating and characterizing the packing of polyhedral shapes, and the self-assembly of polyhedral nanocrystals into ordered superstructures. However, directing the self-assembly of polyhedral nanocrystals into denses...
Modern nanotechnology opens the possibility of combining nanocrystals of various materials with very different characteristics in one superstructure. Here we study theoretically the optical properties of hybrid molecules composed of semiconductor and metal nanoparticles. Excitons and plasmons in such a hybrid molecule become strongly coupled and demonstrate novel properties. At low incident lig...
Murataite sA3B6C2O22−x/2 ,F4̄3md, a derivative of an anion-deficient fluorite structure, has been synthesized as different polytypes as a result of cation ordering. Ion-beam-induced amorphization has been investigated by 1-MeV Kr2+ ion irradiation with in situ transmission electron microscopy. The critical amorphization dose was determined as a function of temperature and the degree of structura...
Chemical process synthesis methods and tools developed over the last several decades have reached a level of maturity that have provided advantage to practitioners in an environment of increased costs and shrinking margins. Future growth within the chemical process industries is likely to involve even keener competition with greater impact from factors such as raw material and energy availabili...
Increased patient demands for highly esthetic implant superstructure in the anterior zone has increased inthe last decades. Moreover, absence of periodontal ligament supported prosthesis causes forces tobe transferred without cushioning effect to alveolar bone, resulting marginal bone loss (MBL) andinfluence heath peri-implant tissue. Evaluate available evidence on andit consequences satisfacti...
Divalent ions of the first series transition elements and Hg were introduced into a cadmium hydroxyapatite Cd5 (P04) 30H by replacing a part of Cd2+, and the effects on the crystal growths and the structural changes were studied. Cd2+ can be exchanged with Mn2+ up to about 30 mol %, with N¡Z+or Hg2+ up to about 10 mol %, and with a little amount of Fe2+ or Cu2+. It was found that Cd5 (PO.)sOH f...
This paper introduces a novel MILP approach for the design of distillation columns sequences of zeotropic mixtures explicitly including from conventional to fully thermally coupled sequences and divided wall columns with a single wall. The model is based on the use of two superstructure levels. In the upper level a superstructure that includes all the basic sequences of separation tasks and all...
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