Dokumente Fakultät für Physik (inkl. GAUSS) nach Titel
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Magnetic Activity at the Poles of the Sun
(2008-11-11)This work sheds light on the role of polar faculae with respect to the global magnetic field of the Sun, on the basis of high spatial resolution spectropolarimetric observations, while ... -
Magnetic and activity cycles of cool stars
(2017-10-17)Cool stars are known to exhibit weak to strong magnetic activity. Our nearest cool star, the Sun, is a middle aged and moderately active star with a cyclic generation of its magnetic field, which results in a 22 year ... -
Magnetic field effects on the local tunneling conductivity of La0.75 Ca0.25 MnO3 /MgO thin films
(2008-08-29)Manganites are known for their exceptional properties, such as the metal-insulator transition (MIT) and the colossal magnetoresistance (CMR) effect. These materials show a very rich phase diagram in which the properties ... -
Magnetic flux emergence in the solar photosphere
(2006-06-29)The most prominent magnetic structures on the surface of the Sun are bipolar active regions. These magnetic complexes are comprised of a hierarchy of magnetic structures of different sizes, ... -
Magnetische Grenzflächeneffekte in Doppellagen aus V2O3 und den ferromagnetisch geordneten Übergangsmetallen
(2005-01-05)Epitaxially grown thin films of Vanadiumsesquioxide (V2O3) exhibit a metal-insulator transition around 170 K accompanied by antiferromagnetic ordering. This behaviour is well ... -
Magnetische Phasen im Hubbardmodel
(2010-01-14)This work deals with the calculation of magnetic properties for strongly correlated electron systems. One of most important model in this field of physics is the Hubbard model. It describes the situation of, for example, ... -
Magnetization and elastic dynamics in nanostructured metamaterials
(2016-03-24)In this work, magnetization and elastic dynamics in nano-structured artificial materials have been investigated in an all-optical, time-resolved, pump-probe experimental setup. Rich dynamics are brought about by means ... -
Magnetization dynamics in all-optical pump-probe experiments: spin-wave modes and spin-current damping
(2007-02-19)In the field of spintronics, future development demands a new insight into the magnetization relaxation processes in the sub nanosecond regime. With the time resolution inherent, femtosecond ... -
Magneto-microphotoluminescence spectroscopy as a tool for the study of disorder in semiconductor quantum wells
(2007-06-13)This work contributes to the understanding of the relation between structural and optical properties of dimensionally reduced semiconductor heterostructures at the model system of thin ... -
Magneto-thermal conductivity of perovskite manganite films and exchange-spring coupled superlattices
(2024-02-21)In this thesis, thin colossal magnetoresistive perovskite manganite films and superlattices forming an exchange spring magnet were studied regarding their magneto-thermal conductivity. Using the metalorganic aerosol ... -
Magnetoelektrische Eigenschaften von Manganat-Titanat Übergittern
(2010-01-28)Magnetoelectric multiferroics are materials in which the order phenomena ferromagnetism and ferroelectricity coexist. Due to pronounced magnetic as well as electric susceptibility, this ... -
Magnetohydrodynamic Simulation of Reconnection in Turbulent Astrophysical Plasmas
(2016-08-31)Turbulence is ubiquitous at large-Reynolds-number astrophysical plasmas like in the Solar corona. In such environments, the turbulence is thought to enhance the energy conversion rate by magnetic reconnection above ... -
Magnetotellurics and Geomagnetic Depth Sounding in Queensland, South Eastern Australia -Evidence for the Tasman Line?
(2011-11-09)The Tasman Line in eastern Australia is commonly defined as the locus of Rodinia- Gondwana breakup. It is a much discussed concept in the geology and tectonics of eastern Australia. However, ... -
Manifestations of Memory in Time- and Ensemble-Average Statistical Mechanics of Low-dimensional Physical Observables
(2021-06-07)The study of stochastic processes plays a very important role in our current understanding of Statistical Physics, in particular many results from this field have found successful applications in biological, socio-economics ... -
Manipulation of Monodisperse Emulsions in Microchannels
(2009-02-25)The manipulation of monodisperse gel emulsions confined in a microfluidic channel network has been investigated. Monodisperse gel emulsions were organized by spatial confinement as a function ... -
Manipulation of Wetting Morphologies in Topographically Structured Substrates
(2008-02-11)In the present work, static liquid morphologies confined to linear micron sized surface grooves were studied experimentally and analyzed theoretically. Geometries with increasing complexities, ... -
Manufacturing and irradiation of thin transition metal nitride films
(2001-11-07)Thin iron and nickel nitride films were produced by reactive magnetron sputtering. The influence of the deposition parameters on the properties of the films was investigated in detail using a combination of analyzing ... -
Markierungsfreie Proteinanalytik mit oberflächenverstärkter Ramanspektroskopie
(2009-12-15)The determination of biological functions of proteins in metabolism is an important discipline in the field of life sciences. The search for marker proteins, correlated directly to pathological ... -
Massively parallel spectroscopy of sources in Galactic globular clusters
(2021-10-04)Globular clusters (GCs) consist of hundreds of thousands of stars, densely packed into a spherical shape. Not only do GC contain ordinary main sequence and red giant stars, but also the products of frequent stellar ... -
Materie-Optik mit Edelgasmolekülen an Nanostrukturen
(2004-01-26)The advance of matter optics, thus the coherent scattering of an atom or molecule beam from a nanostructured grating, recently gave conclusive evidence for the extremely weakly bound diatomic ...