Popular Abstract in Swedish En halvledare är en kristall vars egenskaper till stor del bestäms av dess bandgap, som i någon mening kan ses som lägesenergin hos fria elektroner i kristallen. En kvantprick är en liten volym halvledarmaterial som är inbäddad i ett annat material med större bandgap. Det gör att volymen attraherar laddning eftersom elektroner (precis som allt annat) helst minimerar sinThis thesis presents spectroscopic studies of single self-assembled InP quantum dots (QDs). The electronic properties of these QDs have been studied by photoluminescence (PL) and scanning tunnelling luminescence (STL). The QDs were grown in the Stranski-Krastanow mode and were embedded in GaInP. This material is slightly n-type, giving a Fermi-level close to the conduction band edge at low temper

Analysis of the novel "Gli indifferenti" by Italian novelist Alberto Moravia

An article to be presented at the seminar “Breakdown and other Technological Phenomena”– directed by Professor Don Ihde to be held during the fall term of 2010 at the Techno-science Research Group; Department of Philosophy, Stony Brook University Aristotle understood the word “accident” as an attribute of a class or a thing that is not essential. The word comes from Latin accidentum meaning “some

Cooling is an energy consuming operation in the food industry. Rapid cooling reduces the risk of growth of micro-organisms, improves the quality of the food product and increase the production rate.

This paper presents a method based on the phase dierence of arrival and the non-linear least square estimation to lo- calize a radio-frequency (RF) source, e.g a wireless capsule endoscope, inside the human body. The phase dierence of arrival at multiple frequencies of a signal is used to estimate the distance of the source to a receiver. The linear least square estimation is used to estimate the

Deep cuts in carbon emissions to avoid dangerous climatic change will require fundamental transformations of the energy and transport systems. This is an enormous challenge for society and the political system. In order to tackle this challenge, we argue that it will be necessary to develop new institutions and institutional practices that address and give priority to long-term climate policy obje

A new formulation for non-linear, elastic wave propagation, based on the pressure and density, is introduced. The formulation accounts for a non-linear relation between speed of sound and density. The pressure and density are interpolated by identical shape functions between the nodes. The equation of state is introduced in the discretized system, hence the non-linearity is enforced point-wise. Th