Commissioning of the Solid/Liquid Analysis System SoLiAS

AIP Conference Proceedings, 2016

A novel type of ultra-high vacuum instrument for X-ray reflectometry and spectrometry-related techniques for nanoanalytics by means of synchrotron radiation (SR) has been constructed and commissioned at BESSY II. This versatile instrument was developed by the PTB, Germany's national metrology institute, and includes a 9-axis manipulator that allows for an independent alignment of the samples with respect to all degrees of freedom. In addition, it integrates a rotational and translational movement of several photodiodes as well as a translational movement of a beam-geometrydefining aperture system. Thus, the new instrument enables various analytical techniques based on energy dispersive Xray detectors such as reference-free X-Ray Fluorescence (XRF) analysis, total-reflection XRF, grazing-incidence XRF, in addition to optional X-Ray Reflectometry (XRR) measurements or polarization-dependent X-ray absorption fine structure analyses (XAFS). Samples having a size of up to (100 x 100) mm² can be analyzed with respect to their mass deposition, elemental, spatial or species composition. Surface contamination, nanolayer composition and thickness, depth profile of matrix elements or implants, nanoparticles or buried interfaces as well as molecular orientation of bonds can be accessed. Three technology transfer projects of adapted instruments have enhanced X-Ray Spectrometry (XRS) research activities within Europe at the synchrotron radiation facilities ELETTRA (IAEA) and SOLEIL (CEA/LNE-LNHB) as well as at the X-ray innovation laboratory BLiX (TU Berlin) where different laboratory sources are used. Here, smaller chamber requirements led PTB in cooperation with TU Berlin to develop a modified instrument equipped with a 7-axis manipulator: reduced freedom in the choice of experimental geometry modifications (absence of out-of-SR-plane and reference-free XRS options) has been compensated by encoder-enhanced angular accuracy for GIXRF and XRR.

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1997

The Schonland Micro-Scanning Ion Beam Analysis Facility is used for interdisciplinary research, uniting physics and many other disciplines. It has a unique dual accelerator input configuration. A wide range of high energy heavy and Light ions is available from an EN Tandem van de Graaff accelerator with 6.0 MV terminal voltage. tight ions at lower energy but with much increased luminosity are available from a 2.5 MV single-ended van de Graaff accelerator. The sample chamber is equipped to image radiation and particles from a wide range of ion-beam interactions with matter. These include the ion beam analytical techniques of RBS, ERDA, PIXE, NRA, SecEM and STIM. Some of these techniques have been performed tomographically or under channeling conditions. Sub-or near-micron spot sizes for many of these techniques are available. The user interface to the sample chamber is highly automated, allowing safe and friendly interaction. The *OMDAQ system developed at Oxford University is dedicated to on-line acquisition and prelimin~ analysis of singles spectra. The Physics Analysis Workstation (PAW+ + > system developed for CERN and ported to a CAMAC-PC environment manages the more sophisticated multi-parameter acquisition and post-processing.

Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment, 2007

The soft X-ray spectromicroscopy beamline (SM) at the Canadian Light Source (CLS) is a dedicated spectromicroscopy facility, consisting of an elliptically polarized undulator (EPU), a beamline based on a collimated PGM optimized for 100-2000 eV range and two end stations: scanning transmission X-ray microscope (STXM) and roll-in X-ray photoemission electron microscope (X-PEEM, from Elmitec GmbH). The overall system has achieved its design parameters with an on-sample flux of $10 8 ph/s@R ¼ 3000, 0.5 A in STXM and $10 12 ph/s@R ¼ 3000, 0.5 A in the PEEM, in each case at a spatial resolution exceeding 40 nm. It can also provide an energy resolving power above 10,000. A careful EPU calibration procedure enables advanced polarization measurements. r

Review of Scientific Instruments, 2013

A new liquid microjet endstation designed for ultraviolet (UPS) and X-ray (XPS) photoelectron, and partial electron yield X-ray absorption (XAS) spectroscopies at the Swiss Light Source is presented. The new endstation, which is based on a Scienta HiPP-2 R4000 electron spectrometer, is the first liquid microjet endstation capable of operating in vacuum and in ambient pressures up to the equilibrium vapor pressure of liquid water at room temperature. In addition, the Scienta HiPP-2 R4000 energy analyzer of this new endstation allows for XPS measurements up to 7000 eV electron kinetic energy that will enable electronic structure measurements of bulk solutions and buried interfaces from liquid microjet samples. The endstation is designed to operate at the soft X-ray SIM beamline and at the tender X-ray Phoenix beamline. The endstation can also be operated using a Scienta 5 K ultraviolet helium lamp for dedicated UPS measurements at the vapor-liquid interface using either He I or He II α lines. The design concept, first results from UPS, soft X-ray XPS, and partial electron yield XAS measurements, and an outlook to the potential of this endstation are presented.

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2016

There may be differences between this version and the published version. You are advised to consult the publisher's version if you wish to cite from it.

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1985

The solid exRIXS endstation combines an X-ray emission spectrometer with resolving powers above 1000 with a diiractometer setup for solid sample systems. It is exible in its use at diierent beam lines and facilities.

2019

JUICE (Jupiter Icy Moons Explorer) is a European Space Agency (ESA) Large-Class mission that will study and provide a thorough investigation of the Jovian system. The launch is scheduled in June 2020 from Kourou on an Ariane 5 rocket. Once in orbit around Jupiter, JUICE will perform flybys of Europa, Callisto and Ganymede, collecting information about the surface composition and geology as well as searching for liquid water under the surfaces of the Galilean moons. The JUICE payload consists of ten instruments, including a camera, spectrometers, magnetometer, and radar. One of these instruments is MAJIS (Moons And Jupiter Imaging Spectrometer), a spectrometer combining two different spectral channels: the visible (VIS) and near infrared (NIR) channel, and the infrared (IR) channel. The covered spectral range of MAJIS is 0.5 to 5.54 μm. Before going to space, the instruments inside JUICE must be tested to certify their ability to work in the Jupiter environment. At the laboratories o...

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2004

We present the characteristics of an ion beam analysis facility based on a fully computer controlled 2 MV Tandetron TM commissioned in 2002. The terminal voltage temperature stability is measured using the 3036 keV 16 O(a; a) 16 O resonance. A microbeam beamline with an Oxford triplet lens and a coolable sample holder has been built. We report new temperature dependent time-resolved IBIC measurements from CZT detectors that illustrate the capability of the system. A millibeam beamline has been built with a 6-axis goniometer capable of handling 100 mm wafers through an airlock with a z-axis for the precise location of the sample surface at the eucentric point. This instrument is designed for routine RBS/ERD and channelling applications, and incorporates a versatile controller capable of fully automated data collection.

2013

SPES (Selective Production of Exotic Species) is an INFN project to develop a Radioactive Ion Beam facility as an intermediate step toward the future generation European ISOL facility EURISOL. The aim of the SPES project is to provide high intensity and high-quality beams of neutron-rich nuclei to perform forefront research in nuclear structure, reaction dynamics and in interdisciplinary fields like medical, biological and material sciences. It is based on the ISOL method with an UCx Direct Target able to produce 1013 fission/s by proton induced fission in the UCx target. The development of new target ion source systems for the SPES facility is currently in progress at Legnaro National Laboratories. In this context the study of ion sources and their performance in terms of ionization efficiency and transversal emittance is a crucial point in order to maximize the available yields, particularly for short-lived isotopes. In this work preliminary offline measurements for the SPES surfa...