ChemInform Abstract: Epitaxial Spin‐Valve Structures
Abstract Review: 83 refs.
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ChemInform Abstract: Spin‐Dependent Electronic States in Fe‐ and Mn‐ Based Oxides and Related Materials
Abstract Review: 28 refs.
ChemInform Abstract: Pyrophosphate Complexation of Tin(II) in Aqueous Solutions as Applied in Electrolytes for the Deposition of Tin and Tin Alloys such as White Bronze.
Abstract The nature of tin pyrophosphate complexes present in aqueous solutions of Sn2P2O7 and either Na2P2O7 or K4P2O7 (used for electroplating of tin and tin alloys on metallic and other conductive substrates) in various pH regions is investigated by 119Sn and 31P NMR, and IR spectroscopy.
Using geometry to enhance the nonlinear response of quantum confined systems
We study the effect of geometry on the nonlinear response of a network of quantum wires that form loops. Exploiting the fact that a loop’s transition moment matrix and energies are exactly solvable for each wire segment, they can be pieced together to determine a loop’s properties. A Monte Carlo method is used to samp…
A polarization-independent liquid crystal phase modulation using polymer-network liquid crystal with orthogonal alignment layers
A polarization-independent liquid crystal (LC) phase modulation using polymer-network liquid crystals with orthogonal alignments layers (T-PNLC) is demonstrated. T-PNLC consists of three layers. LC directors in the two layers near glass substrates are orthogonal to each other. In the middle layer, LC directors are per…
The History, Implications, and Development of the Baccalaureate Transition Resource Manual
Life is full of transitions, changes, and adaptations. In this article, we will describe the developmental process and transition steps of a baccalaureate degree program in nuclear medicine technology (NMT). We will introduce a living document that was created by the leadership of the Society of Nuclear Medicine and M…
ChemInform Abstract: Spin‐State Manipulation in Ferromagnetic Nano‐Rings
Abstract Review: 123 refs.
ChemInform Abstract: Magnetic Properties of Soft Magnetic Ferrites
Abstract Review: 12 refs.
Planar single-element gradient-index solar lenses for concentrator photovoltaics
We present the design and simulation of first-ever planar single-element solar lenses (modified hemispherical gradientindex structures) for concentrator photovoltaic applications, with high collection efficiency and liberal optical tolerance at averaged cell irradiance levels exceeding 1000 suns. These compact lens de…
Multiple-order imaging for optical critical dimension metrology using microscope characterization
There has been much recent work in developing advanced optical metrology applications that use imaging optics for optical critical dimension (OCD) measurements, defect detection, and for potential use with in-die metrology applications. We have previously reported quantitative measurements for sub-50 nm CD dense array…
The synthesis of branched TCP chromophores and the research on their electro-optical properties
In order to minimize the intermolecular electrostatic interactions and effectively translate high value of chromophore into macroscopic electro-optical (EO) coeffcient (r33), the shape-modification of aniline-pyrroline (TCP) chromophore by combining three kinds of dendritic groups respectively to the N atom of pyrroli…
Optimization of cloak effect in nanosphere dispersed liquid crystal metamaterial
In this paper the concept and design of infrared cloaking using nanosphere dispersed liquid crystal (NDLC) matematerial in cylindrical geometry is presented for TM polarization of incident light. The influence of material losses on the cloaking efficiency is discussed. The loss can be tuned by changing design paramete…
ChemInform Abstract: Aspects of Applications. New Trends in the Characterization of Ferrites and Related Materials
Abstract Review: 49 refs.
Innovative guided mode method for measuring the penetration depth in partially exposed photo-resist layers
The “m-lines” guided mode method has been employed as a new approach to measure the penetration depth of UV light in partially exposed thin film photoresist layers. This non-destructive method presents the advantage that the penetration depth can be measured before developing the sample, allowing for fine tuning of ex…
Titelbild: Enhancing the Light Harvesting Capability of a Photosynthetic Reaction Center by a Tailored Molecular Fluorophore (Angew. Chem. 44/2012)
Eine hybride Photosynthesemaschine die Sonnenenergie zur Photokonversion nutzen kann, beschreiben G. M. Farinola, M. Trotta et al. in der Zuschrift auf S. 11181 ff. Das einfachste Photosyntheseprotein, das Sonnenlicht in andere Energieformen überführen kann, wird kovalent mit einem maßgeschneiderten organischen Farbst…
Liquid crystal gratings from nematic to blue phase
Some of our recent progress on liquid crystal (LC) gratings, from nematic to blue phase, is reviewed in this invited talk. The first kind of grating is fabricated by periodically adjusting the LC directors to form alternate micro phase retarders and polarization rotators in a cell placed between crossed polarizers. Th…
Material properties and field-effect transistor characteristics of hybrid organic/graphene active layers
We report on the material properties and device characteristics of field-effect transistors (FETs) consisting of hybrid mono-layer graphene/organic semiconductor active layers. By capping with selected organic and polymeric layers, transformation of the electronic characteristics of mono-layer graphene FETs was observ…
ChemInform Abstract: Synthesis, Characterization and Bioactivity of Polysubstituted 1‐(4‐(1H‐Pyrrol‐1‐yl)phenyl)‐1H‐pyrrole Derivatives.
Abstract A variety of polysubstituted bispyrroles are synthesized by reaction of 1,4‐bis[(2‐oxopropyl)amino]benzene (III) with dimethylformamide dimethylacetal or active methylene compounds.
Cholesteric liquid crystals doped with gold nanoparticles
The reflection color of a cholesteric liquid crystal depends on material parameters such as the molecular chirality or the concentration of chiral dopant, the helical pitch of the twisted structure and the optical indices. We show that the color may be selected simply by varying the annealing time of an open cholester…
MOCVD growth of GaN nanopyramid and nanopillar LED with emission in green to orange color
We report the fabrication and demonstration of electrically driven green, yellow-green, and amber color nanopyramid LEDs. The quantum wells were grown on nanopyramid facets, which have low polarization field and allow high In incorporation.