Ion beam
View article: Bulk properties of the medium produced in relativistic heavy-ion collisions from the beam energy scan program
Bulk properties of the medium produced in relativistic heavy-ion collisions from the beam energy scan program Open
We present measurements of bulk properties of the matter produced in Au+Au collisions at $\\sqrt{s}$$_ {NN}$= 7.7, 11.5, 19.6, 27, and 39 GeV using identified hadrons (π±, K±, p, and $\\bar{p}$) from the STAR experiment in the Beam Energy …
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XPS investigation of monatomic and cluster argon ion sputtering of tantalum pentoxide Open
In recent years, gas cluster ion beams (GCIB) have become the cutting edge of ion beam technology to sputter etch organic materials in surface analysis. However, little is currently known on the ability of argon cluster ions (Arn+) to etch…
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Engineering Chemically Active Defects in Monolayer MoS<sub>2</sub> Transistors via Ion‐Beam Irradiation and Their Healing via Vapor Deposition of Alkanethiols Open
Irradiation of 2D sheets of transition metal dichalcogenides with ion beams has emerged as an effective approach to engineer chemically active defects in 2D materials. In this context, argon‐ion bombardment has been utilized to introduce s…
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Scalable focused ion beam creation of nearly lifetime-limited single quantum emitters in diamond nanostructures Open
The controlled creation of defect centre—nanocavity systems is one of the outstanding challenges for efficiently interfacing spin quantum memories with photons for photon-based entanglement operations in a quantum network. Here we demonstr…
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Optical planar waveguides in photo-thermal-refractive glasses fabricated by single- or double-energy carbon ion implantation Open
Ion implantation has demonstrated to be an efficient and reliable technique for the fabrication of optical waveguides in a diversity of transparent materials. Photo-thermal-refractive glass (PTR) is considered to be durable and stable holo…
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Two-dimensional MoS<sub>2</sub> under ion irradiation: from controlled defect production to electronic structure engineering Open
Two-dimensional (2D) transition metal dichalcogenides (TMDs), like MoS 2 , have unique electronic and optical properties, which can further be tuned using ion bombardment and post-synthesis ion-beam mediated methods combined with exposure …
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Ion irradiation and modification: The role of coupled electronic and nuclear energy dissipation and subsequent nonequilibrium processes in materials Open
Understanding material responses to energy deposition from energetic charged particles is important for defect engineering, ion-beam processing, ion-beam analysis and modification, geologic aging, space exploration, and nuclear application…
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Ion beam production and study of radioactive isotopes with the laser ion source at ISOLDE Open
At ISOLDE the majority of radioactive ion beams are produced using the resonance ionization laser ion source (RILIS). This ion source is based on resonant excitation of atomic transitions by wavelength tunable laser radiation. Since its in…
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Ion beam tools for nondestructive in-situ and in-operando composition analysis and modification of materials at the Tandem Laboratory in Uppsala Open
Ion accelerators have demonstrated tremendous versatility in their research applications throughout several decades. Starting predominantly as nuclear physics tools, they subsequently provided novel insights into fundamental atomic physics…
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3D lattice distortions and defect structures in ion-implanted nano-crystals Open
Focussed Ion Beam (FIB) milling is a mainstay of nano-scale machining. By manipulating a tightly focussed beam of energetic ions, often gallium (Ga + ), FIB can sculpt nanostructures via localised sputtering. This ability to cut solid matt…
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Fully automated, sequential focused ion beam milling for cryo-electron tomography Open
Cryo-electron tomography (cryoET) has become a powerful technique at the interface of structural biology and cell biology, due to its unique ability for imaging cells in their native state and determining structures of macromolecular compl…
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Thin film depth profiling by ion beam analysis Open
The analysis of thin films is of central importance for functional materials, including the very large and active field of nanomaterials.
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Large fraction of crystal directions leads to ion channeling Open
It is well established that when energetic ions are moving in crystals, they may penetrate much deeper if they happen to be directed in some specific crystal directions. This `channeling' effect is utilized for instance in certain ion beam…
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Modern Propulsions for Aerospace-Part II Open
Speaking about a new engine ionic means to speak about a new aircraft. The paper presents in a short time the actual engines ion chambers (called the ion thrusters) and other new ionic motors proposed by the authors. The engine (ionic prop…
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Ion beam analysis of fusion plasma-facing materials and components: facilities and research challenges Open
Following the IAEA Technical Meeting on 'Advanced Methodologies for the Analysis of Materials in Energy Applications Using Ion Beam Accelerators', our work reviews the current status of ion beam analysis (IBA) techniques and some aspects o…
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Mass Spectrometry as a Preparative Tool for the Surface Science of Large Molecules Open
Measuring and understanding the complexity that arises when nanostructures interact with their environment are one of the major current challenges of nanoscale science and technology. High-resolution microscopy methods such as scanning pro…
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Non-contact polishing of single crystal diamond by ion beam etching Open
We propose a non-contact surface finishing method for brittle substrates by ion beam etching and we experimentally demonstrate polishing of (100) single crystal diamond surface. We model and simulate the polishing process, and verify the r…
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Life-cycling and uncovering cation-trapping evidence of a monolithic inorganic electrochromic device: glass/ITO/WO<sub>3</sub>/LiTaO<sub>3</sub>/NiO/ITO Open
The visualization of the microstructure change and of the depth of lithium transport inside a monolithic ElectroChromic Device (ECD) is realized using an innovative combined approach of Focused Ion Beam (FIB), Secondary Ion Mass Spectromet…
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Understanding the interaction between energetic ions and freestanding graphene towards practical 2D perforation Open
We report experimentally and theoretically the behavior of freestanding graphene subjected to bombardment of energetic ions, investigating the capability of large-scale patterning of freestanding graphene with nanometer sized features by f…
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Development of foam-based layered targets for laser-driven ion beam production Open
We report on the development of foam-based double-layer targets (DLTs) for laser-driven ion acceleration. Foam layers with a density of a few mg cm-3 and controlled thickness in the 8-36 μm range were grown on μm-thick Al foils by pulsed l…
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The Heidelberg compact electron beam ion traps Open
Electron beam ion traps (EBITs) are ideal tools for both production and study of highly charged ions (HCIs). In order to reduce their construction, maintenance, and operation costs, we have developed a novel, compact, room-temperature desi…
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A perspective on nanoscale pattern formation at surfaces by ion-beam irradiation Open
The formation of periodic patterns on the surfaces of many solid materials undergoing ion-beam irradiation has long been known. The advent of high resolution characterization techniques elucidated the nanoscopic traits of this self-organiz…
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Comparison of technologies for nano device prototyping with a special focus on ion beams: A review Open
Nano device prototyping (NDP) is essential for realizing and assessing ideas as well as theories in the form of nano devices, before they can be made available in or as commercial products. In this review, application results patterned sim…
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Progress in modelling fast-ion D-alpha spectra and neutral particle analyzer fluxes using FIDASIM Open
FIDASIM is a code that models signals produced by charge-exchange reactions between neutrals and ions (both fast and thermal) in magnetically confined plasmas. With the ion distribution function as input, the code predicts the efflux to a …
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Scalable Fabrication of Single Silicon Vacancy Defect Arrays in Silicon Carbide Using Focused Ion Beam Open
In this work, we present a method for targeted, maskless, and scalable fabrication of single silicon vacancy (VSi) defect arrays in silicon carbide (SiC) using focused ion beam. The resolution of implanted VSi defects is limited to a few t…
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Three-Dimensional Superconducting Nanohelices Grown by He<sup>+</sup>-Focused-Ion-Beam Direct Writing Open
Novel schemes based on the design of complex three-dimensional (3D) nanoscale architectures are required for the development of the next generation of advanced electronic components. He+ focused-ion-beam (FIB) microscopy in combination wit…
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Spread‐out Bragg peak proton FLASH irradiation using a clinical synchrocyclotron: Proof of concept and ion chamber characterization Open
Purpose The purpose of this work is to (a) demonstrate the feasibility of delivering a spread‐out Bragg peak (SOBP) proton beam in ultra‐high dose rate (FLASH) using a proton therapy synchrocyclotron as a major step toward realizing an exp…
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Peptide Fragmentation and Surface Structural Analysis by Means of ToF-SIMS Using Large Cluster Ion Sources Open
Peptide or protein structural analysis is crucial for the evaluation of biochips and biodevices, therefore an analytical technique with the ability to detect and identify protein and peptide species directly from surfaces with high lateral…
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Imaging the dynamics of ion–molecule reactions Open
A range of ion–molecule reactions have been studied in the last years using the crossed-beam ion imaging technique, from charge transfer and proton transfer to nucleophilic substitution and elimination.
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Mechanical Properties of 3D Nanostructures Obtained by Focused Electron/Ion Beam-Induced Deposition: A Review Open
This article reviews the state-of-the -art of mechanical material properties and measurement methods of nanostructures obtained by two nanoscale additive manufacturing methods: gas-assisted focused electron and focused ion beam-induced dep…