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Crystallography

The research of the Section for Applied Crystallography of the LMU comprises a broad spectrum of different geoscientific topics:

Anorganic and biogenic geomaterials

crystal

Living organisms can form minerals in a process called biomineralisation. Frequent biominerals are calcium carbonate, calcium phosphate and silicon dioxide. In biomineralisation, controlled and induced processes can be distinguished. The former reveal an obvious purpose such as the fortification of soft tissues in the form of shells and bones. The latter for instance comprise solid remains of the cell metabolism.

Applied Mineralogy

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New materials, e.g. high-temperature superconductors and shape memory alloys, as well as ceramics, glass, building materials, slags, ashes, and binders to name a few, are intensively studied by our applied mineralogists.


Disorder Crystallography

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In conventional crystallography the spatial periodicity defines an ideally ordered state of basic structural units. In the real "crystal world", structural disorder includes the partial loss of the ideal long range order and/or occurrence of short range ordering, which both play a decisive role for crystal and, in consequence, for material properties.


Crystal Growth

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Single crystal growth of new materials to be used for basic research and aimed at technical applications is the focus of the crystal growth group. Methods of crystal growth from liquid phases (melt and solution growth) and from vapour (sublimation) are used and further developed for the preparation of complex metallic alloys and wide-gap semiconductors.


Surface Crystallography

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Numerous important reactions and processes (e.g., catalysis, crystal synthesis) strongly depend on the surface properties of the crystals involved. Therefore, this research area focuses on the investigation of the physical and chemical properties of crystals' surfaces. Specific research topics are i) the investigation of the atomic structure and the electric and magnetic properties of metals, oxides and semiconductors with experimental and computational methods, and ii) the in-situ investigation of the kinetics of the processes taking place at the solid-liquid interface in molecular resolution.

NanoScience

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The research is focused on the generation, investigation and manipulation of micro- and nanoscopic structures. The structures are composed of organic molecules on inorganic surfaces. The context of the various projects are Materials Science and Bioscience. Scanning Probe Microscopy (AFM, STM) and spectroscopy techniques (Raman, UV/Vis) are used for investigations. In addition, theoretical approaches (Computational Chemistry) are applied.


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Created by Helen Anne Pfuhl last modified 25. Oct 2008 09:52
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Printed 16. Dec 2017 06:10