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Silicon Adsorption In Single Walled Nanotubes
Nanotube Silicon adsorption Monte Carlo simulations First principle calculation
2010/9/25
Using density functional (DF) calculations and Monte Carlo (MC) simulations we have investigated the main electronic and structural properties of silicon interacting with single walled carbon nanotube...
Transient Spin Dynamics in Semiconductors
Spin polarized transport Semiconductors Interfaces Electrical injection
2010/9/25
We investigate the spin-resolved dynamics of spin-polarized carriers injected via a ferromagnetic scanningtunnelling-microscope tip (STM tip) into uniformly and non-uniformly n-doped bulk semiconducto...
Pseudopotential-Based Full Zone k . p Technique for Indirect Bandgap Semiconductors: Si, Ge, Diamond and SiC
Band structure indirect bandgap semiconductors pseudopotentials
2010/4/9
The k . p is a versatile technique that describes the semiconductor band structure in the vicinity of the bandgap. The technique can be extended to full Brillouin zone by including more coupled bands ...
Peculiarities of the Electric and Thermoelectric Properties of GaTe
GaTe Electrical conductivity Thermoelectric power
2010/4/9
Measurements of electrical conductivity, Hall coefficient and thermoelectric power were carried out over the temperature range 136--563 K for GaTe compound grown in single crystal form by modified Bri...
Numerical Simulation of the Optical Properties of SiC/SiO2 Quantum Dots
Numerical Simulation the Optical Properties SiC/SiO2 Quantum Dots
2010/10/21
We perform a theoretical investigation of the absorption and emission properties of quantum confined SiC/SiO2 spherical quantum dots, focusing on the the size-dependent emission and absorption spectra...
Monte Carlo Studies of Miniband Conduction in Extreme Type-II Superlattices
Monte Carlo Studies Miniband Conduction Extreme Type-II Superlattices
2010/10/21
Miniband charge transport was investigated by Monte Carlo simulations of electronic motion in short period superlattices of type-II energy band alignment (InAs/GaSb composition). The strong decrease o...
Vibrational Structure of Organic Semiconductors: The Role of Conjugation Length
Vibrational Structure Organic Semiconductors Conjugation Length
2010/10/21
Site-selective luminescence spectroscopy (SSL) was employed to resolve the vibracional modes in selfassembled poly(p-phenylene vinylene), PPV. Using Franck-Condon analysis, the PPV spectra can be well...
Epitaxial Hybrid Ferromagnet-Semiconductor Structures: Growth, Structural and Magnetic Properties
Epitaxial Hybrid Ferromagnet Semiconductor Structures Magnetic Properties
2010/10/21
Ferromagnet-semiconductor heterostructures are promising materials for the integration of magnetic or spin related functions into semiconductor materials and devices. Fe-on-GaAs and MnAs-on-GaAs are c...
First-Principles Materials Study for Spintronics: MnAs and MnN
First-Principles Materials Spintronics MnAs MnN
2010/10/21
We report ab-initio all electrons density- functional calculations for the electronic structure of the compounds MnAs and MnN, in the zinc-blende phase. They are potential materials for use in fabrica...
Manipulation with Spin Ordering in Ferromagnetic Semiconductors
Spin Ordering Ferromagnetic Semiconductors
2010/10/21
A short overview is given of recent advances in the field of carrier-controlled ferromagnetism in Mn-based III-V and II-VI diluted magnetic semiconductors and their nanostructures. The tailoring of do...
Semiconductor Quantum Dot Nanostructures and their Roles in the Future of Photonics
Semiconductor Quantum Dot Nanostructures Photonics
2010/10/21
This paper discusses the growth and the properties of semiconductor nanostructures based on self-assembled quantum dots (QDs). These QDs confine electrons or excitons in zero-dimension (0D), similar t...
Influence of a Magnetic Field on the Energy Flow of Surface Polaritons Propagating in Semiconductor Cylinders
a Magnetic Field Surface Polaritons Semiconductor Cylinders
2010/10/22
This work reports the influence of a dc external magnetic field on the polaritons propagating in cylindrical systems. We present numerical results for the dispersion relation and energy flow for surfa...