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Sol-Gel Approaches to Photonic Crystal Systems
A prerequisite for an efficient ”molding the flow of light” by photonic crystals is the molding of materials in desired nanostructures. Very often,...
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Thermodynamics – Past, Present and Future
We begin with historical remarks on the basic contributions to thermodynamics and statistics with some bias to scientists working in Berlin as...
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Intrinsic Spin Hall Effect
A brief review is given on a spin Hall effect, where an external electric field induces a transverse spin current. It has been recognized over 30...
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Dynamical Variational Principles for Strongly Correlated Electron Systems
The self-energy-functional approach (SFA) is discussed in the context of different variational principles for strongly correlated electron systems....
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Chemistry and Morphological Properties of Metal Interfaces to Organic Semiconductors
Metal contacts to organic semiconductors play a decisive role for the performance of organic based devices such as organic light emitting diodes,...
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Two-Gap Superconductivity in Magnesium Diboride
It is by now generally accepted that the recently discovered superconductor MgB2 is a superconductor with two energy gaps. Here we discuss how this...
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Atomic-Scale Properties of High-k Dielectrics: Ab Initio Study for Pr-Based Materials
We discuss the atomic and electronic structures and energetics of native point defects and of impurities (Si, Ti, B, moisture) in PrO1.5 and, to some...
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Dynamics of Membranes: From Passive to Active Systems
Fluid lipid membranes, which, together with filamentous proteins like actin, form the basic structural component of cells, have been a central topic...
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AlGaN/GaN Electrolyte-Gate Field-Effect Transistors as Transducers for Bioelectronic Devices
AlGaN/GaN electrolyte gate field-effect transistors are assessed as a transducer device for biosensor applications. Their low-frequency noise power...
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Optical Analysis of Monolayers at Surfaces and Interfaces
Surface as well as interface properties are crucial for tailoring advanced materials, especially if the structure size in one or more dimensions...
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Electron Spin Relaxation in Semiconductors
We review recent progress in the understanding of electron spin relaxation mechanisms in zinc-blende semiconductors. Increased spin lifetimes are...
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Materials Chemistry of Group 13 Nitrides
The OMVPE process has been used to grow thin films of group 13 nitrides, namely GaN, InN, and AlN. In recent years there has been a great deal of...
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Crosslinked Polyolefin Foams: Production, Structure, Properties, and Applications
The purpose of this paper is to review the most significant developments of the last 10 years in the field of crosslinked polyolefin foams. The...
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Charge Transport and Catalysis by Molecules Confined in Polymeric Materialsand Application to Future Nanodevices for Energy Conversion
Polymeric materials confining functional molecules are one of the most promising materials for designing nanodevices for energy conversion, e.g.,...
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Theory of Surface Optical Properties
The theory of surface optical properties is reviewed. The use of Many-Body Perturbation Theory, with Density Functional Theory calculations as zero...
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Incorporation of Acceptors in ZnO
Diffusion experiments of N, Li, and Na into single-crystal substrates of ZnO were performed. The diffused layers were studied using mass spectroscopy...
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Size Effects in Ba(Pb)TiO3 Nanopowders by EPR and NMR
The aim of the present paper is to study the influence of the particle size on the properties of BaTiO3 and PbTiO3 materials by means of a NMR and...
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Quantum Noise in Mesoscopic Systems
Full counting statistics aims at a complete characterization of the distribution of measurement outcomes. In this article I will demonstrate how this...
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Point-Contact Spectroscopy on Conventional and Unconventional Superconductors
In the past decades it has become evident that a growing number of metals exhibit exotic types of superconductivity as manifested by their...
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Advanced MOSFET Gate Dielectrics for High-Performance Microprocessors: Materials Selection and Analytical Challenges
For semiconductor industry, the challenges to future process technology and advanced materials are outlined in the International Technology Roadmap...