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In this thesis the luminescence properties of highly doped semiconductors are studied with focus on degenerately n-doped InP. It is demonstrated how photoluminescence measurements on degenerately doped semiconductors allow an estimation of the doping concentration without need for electrical contacts. The degenerate doping can furthermore reveal the conduction band structure for energies higher th
Ultrafast science refers to physical events that happen on the femtosecond (1 fs=10^-15 s) and attosecond (1 as=10^-18 s) timescales. Generation of attosecond pulses is usually achieved by interacting high-intensity femtosecond pulses with matter (typically gases), in a process called high-order harmonic generation (HHG). Under the correct conditions, this process leads to the creation of sub-fs p
Popular Abstract in Swedish Jätteplaneterna, Jupiter, Saturnus, Uranus och Neptunus, är de största planeterna i solsystemet. De ligger långt från solen och har alla betydande gasatmosfärer, upp emot hundra gånger mer massiva än hela jorden. Tack vare de tjocka gashöljena, med en sammansättning som liknar solens, kan man förstå att jätteplaneterna bildades i en gasskiva. Denna skiva kallas för solGiant planets form embedded in a protoplanetary disc around a young star. Close to the midplane a large fraction of the available mass in solids is found in particles of cm to dm in size, which drift towards the star due to friction with the surrounding gas. In paper I, II, III we describe a novel theory that explains how embryos, planetesimals larger than ~1000 km, grow efficiently by sweeping up
Popular Abstract in English Enzymes are nanometer sized work units made up of proteins. Each of the thousands of the existing enzymes are produced by the cells of every living organism. They carry out certain functions as putting molecules together, e. g. connect sugar units to form cellulose for a growing tree or destroy molecules, e. g. degrade cellulose into its sugar units to eat and live on tCellobiose dehydrogenase (CDH) is a sugar oxidizing enzyme secreted by various species of wood degrading fungi to assist the process of wood degradation. It can oxidise analytically relevant sugars as cellobiose, lactose or glucose leading to a gain of two electrons per sugar molecule. CDH consists of a flavin containing catalytic domain (DH) and a haem containing electron mediating domain (CYT).
The concept of legal power (often called legal competence) is important in the law since, with regard to actions having legal effect, the “exercise of legal power” delimits those actions for which manifestation of intention to achieve a legal effect is essential for the effect to ensue. The paper proposes a definition that captures this feature of legal power and marks it off rom “direct effect,”
The right to equal treatment, employment on equal terms and labor market integration regarding disabled individuals has been a topic for discussion on both international and EU legal in recent years. In spite hereof, the Swedish Labour Court´s recent decision in case AD 2012 No. 51 shows that the Swedish judicial system allows for people with a reduced working capacity to be at a disadvantage in r
Through discourse analysis I investigate how the Swedish liberal party, Folkpartiet, constructs two opposing identities in their discourse of alienation (in Swedish utanförskap). I draw from Torben Bech Dyrbergs theory on how identities are constructed through the logics of difference and equivalence (1997). Laclau and Mouffe are the main inspirations for analyzing the organization of the discours
In The Four Realms of Existence: A New Theory of Being Human, Joseph LeDoux (2023) argues for a conceptualization of being human in terms of four hierarchically integrated realms of existence: biological, neurobiological, cognitive, and conscious. Although LeDoux’s perspective is thought-provoking, it also raises several questions. One question is how to differentiate the conscious realm from the
During corrosive dissolution of metal ions from a body surface, an oxide compound isproduced. This compound forms a protective film that reduces the dissolution rate. When afraction of a millimetre depth is dissolved the dissolution rate become insignificant. However,repeated loading will damage the film with continued dissolution as a result. In connectionwith this a threshold strain is assumed t
