Articles

A detailed account of the measurements of cold collisions in a molecular synchrotron

We have recently demonstrated a general and sensitive method to study low energy collisions that exploits the unique properties of a molecular synchrotron (Van der Poel et al., Phys Rev Lett 120:033402, 2018)....

Authors: Aernout P. P. van der Poel and Hendrick L. Bethlem

Calibration of a multi-anvil high-pressure apparatus to simulate planetary interior conditions

This paper presents the setup and pressure calibration of an 800-ton multi-anvil apparatus installed at the Vrije Universiteit (Amsterdam, the Netherlands) to simulate pressure-temperature conditions in planet...

Authors: J. S. Knibbe, S. M. Luginbühl, R. Stoevelaar, W. van der Plas, D. M. van Harlingen, N. Rai, E. S. Steenstra, R. van de Geer and W. van Westrenen

Schlieren imaging: a powerful tool for atmospheric plasma diagnostic

Schlieren imaging has been widely used in science and technology to investigate phenomena occurring in transparent media. In particular, it has proven to be a powerful tool in fundamental studies and process o...

Authors: Enrico Traldi, Marco Boselli, Emanuele Simoncelli, Augusto Stancampiano, Matteo Gherardi, Vittorio Colombo and Gary S. Settles

An interferometric force probe for beam diagnostics and the study of sputtering

A novel probe for the measurement of forces exerted by a beam of ions and neutral

Authors: Thomas Trottenberg, Alexander Spethmann and Holger Kersten

Design of an environment controlled dew tracking setup to emphasize the role of the relative humidity on breath figures dynamics

In polymer protection pieces, polycarbonate is often used for its transparency and its high impact resistance. However, when dew appears it degrades light transmission and thus transparency. To solve this prob...

Authors: Nicolas Pionnier, Solmaz Boroomandi Barati, Elise Contraires, Rémi Berger, Matthieu Guibert, Stéphane Benayoun and Stéphane Valette

A supplemental device to return escaping particles to a magnetic mirror reactor

Cyclotron resonance is now applied as one of the important means for heating plasma in a fusion reactor. We examined this phenomenon from the viewpoint of electron gyration orbits through a solution of the lin...

Authors: Mitsuaki Nagata and Keiichi Sawada

Optimizing the density of Stark decelerated radicals at low final velocities: a tutorial review

The Stark deceleration technique can produce molecular beams with very low velocities. In order to maximize the density of decelerated molecules, experimental parameters such as the velocity, the velocity spre...

Authors: Dominik Haas, Sebastian Scherb, Dongdong Zhang and Stefan Willitsch

Curie temperature determination via thermogravimetric and continuous wavelet transformation analysis

A cost effective method for conversion of a vertical tube thermogravimetric analysis system into a magnetic balance capable of measuring Curie Temperatures is presented. Reference and preliminary experimental ...

Authors: John Hasier, Maria Annichia Riolo and Philip Nash

Dependence of the confinement time of an electron plasma on the magnetic field in a quadrupole Penning trap

A quadrupole Penning trap is used to confine electrons in weak magnetic fields. Perturbations due to space charge and imperfections in the trap geometry, as well as collisions with the background gas molecules...

Authors: B M Dyavappa, Durgesh Datar, Prakash and Sharath Ananthamurthy

Nano-jet related to Bessel beams and to super-resolutions in microsphere optical experiments

The appearance of a Nano-jet in the microsphere optical experiments is analyzed by relating this effect to non-diffracting Bessel beams. By inserting a circular aperture with a radius of subwavelength dimensio...

Authors: Yacob Ben-Aryeh

The aerosol impact spectrometer: a versatile platform for studying the velocity dependence of nanoparticle-surface impact phenomena

A new apparatus designed to accelerate/decelerate and study the surface impact phenomena of charged aerosols and nanoparticles over a wide range of mass-to-charge (m/z) ratios and final velocities is described. A...

Authors: Brian D. Adamson, Morgan E. C. Miller and Robert E. Continetti

Analysis of passive calorimetric probe measurements at high energy influxes

High energy influxes increase the complexity of passive calorimetric probe measurements because of an increasing temperature of the surrounding materials like the probe holder. This leads to a distinctively di...

Authors: Thorben Kewitz, Maik Fröhlich and Holger Kersten

Sympathetic cooling of molecular ions with ultracold atoms

Sympathetic cooling of molecular ions with ultracold gases is enabling a new era of research in chemistry and physics. There has been much progress in this new field in the last several years and many unantici...

Authors: Eric R. Hudson

Performance of the EUDET-type beam telescopes

Test beam measurements at the test beam facilities of DESY have been conducted to characterise the performance of the EUDET-type beam telescopes originally developed within the EUDET project. The beam telescop...

Authors: Hendrik Jansen, Simon Spannagel, Jörg Behr, Antonio Bulgheroni, Gilles Claus, Emlyn Corrin, David Cussans, Jan Dreyling-Eschweiler, Doris Eckstein, Thomas Eichhorn, Mathieu Goffe, Ingrid Maria Gregor, Daniel Haas, Carsten Muhl, Hanno Perrey, Richard Peschke…

Methods of gas purification and effect on the ion composition in an RF atmospheric pressure plasma jet investigated by mass spectrometry

The analysis of the ion chemistry of atmospheric pressure plasmas is essential to evaluate ionic reaction pathways during plasma-surface or plasma-analyte interactions. In this contribution, the ion chemistry ...

Authors: Simon Große-Kreul, Simon Hübner, Simon Schneider, Achim von Keudell and Jan Benedikt

Design and characterization of a linear quadrupole ion trap for high-resolution Coulomb-crystal time-of-flight mass spectrometry

We present and discuss in detail the design and characterization of a new linear quadrupole ion trap with additional ion ejection and acceleration electrodes that is coupled to a time-of-flight mass spectromet...

Authors: Daniel Rösch, Hong Gao, Ardita Kilaj and Stefan Willitsch

Erratum to: ‘A microfluidic AFM cantilever based dispensing and aspiration platform’

Authors: Ralph van Oorschot, Hector Hugo Perez Garza, Roy J. S. Derks, Urs Staufer and Murali Krishna Ghatkesar

Fabrication of ion-trap electrodes by self-terminated electrochemical etching

Self-terminated electrochemical etching is applied to fabricate needle electrodes for ion traps. We study the surface morphology of the electrodes with scanning electron microscopy and atomic force microscopy,...

Authors: Zhao Wang, Le Luo, Karthik Thadasina, Kim Qian, Jinming Cui and Yunfeng Huang

Rydberg-Stark deceleration of atoms and molecules

The large electric dipole moments associated with highly excited Rydberg states of atoms and molecules make gas-phase samples in these states very well suited to deceleration and trapping using inhomogeneous e...

Authors: Stephen D. Hogan

Anisotropic friction: assessment of force components and resulting trajectories

We report on an experimental device that makes it possible to assess the frictional properties of the contact between a slider and a horizontal surface, and to study the resulting trajectories of the slider wh...

Authors: F. Tapia, D. Le Tourneau and J.-C. Géminard

“The Even-Lavie valve as a source for high intensity supersonic beam”

We use extensive computer simulation to design (and test) a high pressure, fast acting, pulsed, valve that can produce short pulses of gas. We use flow simulations from shaped nozzles to optimize the beam dens...

Authors: U. Even

Erratum to: Analysis of velocity-mapped ion images from high-resolution crossed-beam scattering experiments: a tutorial review

Authors: Alexander von Zastrow, Jolijn Onvlee, David H. Parker and Sebastiaan YT van de Meerakker

Design of a Mars atmosphere simulation chamber and testing a Raman Laser Spectrometer (RLS) under conditions pertinent to Mars rover missions

Raman spectrometry is a powerful technique for the rapid identification of most minerals and organic chemicals without sample preparation. In this context, the European Space Agency (ESA) and NASA selected a R...

Authors: K. Motamedi, AP Colin, JH Hooijschuur, O. Postma, R. Lootens, D. Pruijser, R. Stoevelaar, F. Ariese, I B. Hutchinson, R Ingley and GR Davies

Trapping molecules on chips

In the last years, it was demonstrated that neutral molecules can be loaded on a microchip directly from a supersonic beam. The molecules are confined in microscopic traps that can be moved smoothly over the s...

Authors: Gabriele Santambrogio

Novel experimental setup for time-of-flight mass spectrometry ion detection in collisions of anionic species with neutral gas-phase molecular targets

We report a novel experimental setup for studying collision induced products resulting from the interaction of anionic beams with a neutral gas-phase molecular target. The precursor projectile was admitted int...

Authors: J C Oller, L. Ellis-Gibbings, F. Ferreira da Silva, P. Limão-Vieira and G. García