139 Works

Untersuchung der Ladungstrennung in Halbleiter-Nanopartikelschichten mit Methoden der Oberflächenphotospannung

Steffen Fengler
diploma thesis

Magnetism of 3d Frustrated Magnetic Insulators: α-CaCr2O4, β-CaCr2O4 and Sr2VO4

Sandor Toth
PhD thesis

Ultrafast processes in molecules visualized with femtosecond pump-probe photoelectron spectroscopy

Torsten Leitner
PhD thesis

Element-resolved Ultrafast Magnetization Dynamics in Ferromagnetic Alloys and Multilayers

Andrea Eschenlohr
PhD thesis

Interactions of Proteins with Soft Polymeric Surfaces: Driving Forces and Kinetics

Nicole Welsch
PhD thesis

Investigation of structural changes in cathode materials for rechargeable Li-ion batteries by X-ray Absorption Spectroscopy

Jatinkumar K. Rana
PhD thesis

Technical Design Study BESSSY VSR

A. Jankowiak, J. Knobloch, P. Goslawski & N. Neumann
technical report

V1 - Membrane Diffractometer

The design of the instrument is dedicated for biological samples or other samples with large unit cells (5-10 nm in cell length). The vertically focusing graphite monochromator provides adjustable wavelengths between 0.4 nm and 0.6 nm, making use of the full cross section of the neutron guide (3 cm wide, 12.5 cm high). A movable Be-filter at liquid nitrogen temperature may be used to suppress second order wavelengths below 0.39 nm. If less stringent collimation...

V16 - Very Small Angle Neutron Scattering (VSANS)

The second SANS instrument at BER II is dedicated to soft matter research. V16 covers a Q-range from 10-3 nm-1 to 8.5 nm-1. In standard time-of-flight mode an offset of the detector to the instrument axis to extend the Q range will be possible.

Investigation of the Influence of Perforation on the Water Transport in Gas Diffusion Layers of PEM Fuel Cells

Katja Dittmann
diploma thesis

Charakterisierung und Simulation von polykristallinen Silizium Dünnschichtsolarzellen

Ana-Maria Theodoreanu
master thesis

Electronic Properties of ALD Zinc Oxide Interfaces and its Implication for Chalcopyrite Absorber Materials

Eike Janocha
PhD thesis

Methodische Untersuchung von Alterungseffekten an Brennstoffzellen mittels Synchrotronradiografie und -tomographie

Tobias Arlt
PhD thesis

E2 - Flat-Cone Diffractometer

A 3-dimensional part of the reciprocal space can be scanned in less then five steps by combining the “off-plane Bragg-scattering” and the flat-cone layer concept while using a new computer-controlled tilting axis of the detector bank. Parasitic scattering from cryostat or furnace walls is reduced by an oscillating "radial" collimator. The datasets and all connected information is stored in one independent NeXus file format for each measurement and can be easily archived. The software package...

UE52_PGM Nano cluster trap

UE52 PGM nanocluster trap is a soft x-ray beamline at BESSY II that delivers an unfocussed low-divergence beam of variable polarization. Its characteristics are ideally suited for ion trap studies of magnetic properties.

NanoclusterTrap

We offer a unique cryogenic linear quadrupole ion trap with 5 T superconducting solenoid for x-ray magnetic circular dichroism (XMCD) spectroscopy of size-selected cluster ions, molecular ions, and ionic complexes. The radio-frequency ion trap is operated in the space-charge limit for high signal-to-noise ratio. Magnetron sputtering and gas aggregation is the standard ion source, but other ion sources can be added as well.

V4 - Small Angle Scattering Instrument (SANS)

V4 allows for the measurement of density composition and magnetization fluctuations in materials on a length scale from 0.5 nm to 400 nm. At short distance the 2D-detector can be moved vertically by 0.17 m, extending the Q range to even higher values. A large sample chamber is connected to the vacuum system with the detector and collimator tubes. Automatic sample changers (both T and B controlled) are available.

Electrochemical and Photochemical Functionalization of Au and Si Surfaces by Grafting of Diazonium and Azide Compounds

Xin Zhang

Struktur und Gitterdynamik von Gruppe-V-Elementen in ZnO

Felice Friedrich

Structural trends in off stoichiometric chalcopyrite type compound semiconductors

Christiane Stephan
PhD thesis

Microscopic properties of grain boundaries in Cu(In,Ga)Se2 and CuInS2 thin-film solar cells studied by transmission electron microscopy

Sebastian Simon Schmidt
PhD thesis

Neutron Scattering Investigations on 3d and 4f Frustrated Magnetic Insulators

Diana Lucía Quintero Castro
PhD thesis

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