Chemical analysis with neutrons offers a range of methods for element determination. The sample matrix can be characterized as well as the smallest traces. In certain cases, neutron activation analysis (NAA) reaches detection limits down to the ppt/ppq (weight) range. Prompt Gamma Activation Analysis (PGAA) enables a completely non-destructive measurement of the sample bulk. A combination of...
Positron annihilation spectroscopy (PAS) is a highly sensitive technique for the detection and characterization of vacancy-like defects in crystalline solids, making it an ideal tool for studying radiation damage and hydrogen-related degradation processes in materials. In this work, we employ PAS to investigate the interaction between hydrogen and open-volume defects in hydrogen-loaded...
We present an overview of the possibilities of the sample environment groups equipment at MLZ. Sample Environment can offer a wide range of parameters for measuring your samples. Low and high temperatures, magnetic fields, pressure, to name few, as well as combinations thereof. Feel free to prompt us with your special demands and we can discuss the different options.
The Heinz Maier-Leibnitz Zentrum (MLZ) is a leading centre for cutting-edge research with neutrons and positrons. As part of the user operation at the MLZ, the Sample Environment (SE) group assists in the installation and operation of complex SE equipment on instruments, providing experimental support to MLZ scientists as well as design, manufacturing, maintenance and repair of equipment.
One...
Neutron imaging is an established technique to non-destructively map the spatial distribution of the elemental composition and density of bulk materials in the sub-millimeter region.
This is achieved by measuring the spatial distribution of the neutron attenuation coefficient in a 2D radiography or 3D computed tomography.
By adding an intensity modulation to the beam additional contrast...
Quantum droplets formed by rubidium, lithium, and sodium atoms have been analyzed in this paper by using a logarithmic-type Gross-Pitaevskii equation. Variational methods and numerical techniques were employed to solve nonlinear equations. A disk-shaped BEC was analyzed to assess its radial evolution. Additionally, free expansion under rotation of the BEC was studied. Compression and expansion...
The Instrument
SANS-1, a joint project of the Technical University of Munich and the Helmholtz-Zentrum Hereon, is a classical pinhole-geometry small-angle neutron scattering (SANS) instrument optimized for a broad range of applications, particularly in strongly correlated electron systems and materials science. Designed as a general-purpose tool, SANS-1 offers a wide dynamic Q-range with...
X-ray diffraction (XRD) analysis is an important method for characterizing materials in fusion reactors, particularly for understanding their microstructure and properties under the extreme conditions of fusion. This method can be applied to assess the effects of radiation damage, high temperatures, and other factors on materials such as steel and composites. These materials are used in the...
