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Micro fuel cells ($\mu$-FC) represent promising power sources for portable applications. Today, one of the technological ways to make $\mu$-FC is to have recourse to standard microfabrication techniques used in the fabrication of micro…

Other Computer Science · Computer Science 2007-11-29 T. Pichonat , B. Gauthier-Manuel

We analyse optical datacubes of the inner kiloparsec of 30 local ($z\le0.02$) active galactic nuclei (AGN) hosts that our research group, AGNIFS, has collected over the past decade via observations with the integral field units of the…

Using Resonant Pulsed Rydberg Field-ionization (RPRFI) technique, we generate low-energy electron bunches at high repetition rates. By combining continuous-wave laser excitation with a pulsed electric field, this method selectively ionizes…

Atomic Physics · Physics 2024-01-10 R. Hahn , D. Comparat

In the quasi-gasdynamic high-current ion source described in this work, the plasma is sustained by high-power millimeter-wave radiation under the electron cyclotron resonance (ECR) condition. In such facilities, it is possible to achieve…

Over the last two decades magic angle spinning dynamic nuclear polarization (MAS DNP) has revolutionized NMR for materials characterization, tackling its main limitation of intrinsically low sensitivity. Progress in theoretical…

Chemical Physics · Physics 2025-02-18 Daniel Jardon- Alvarez , Michal Leskes

We present the first investigation on the effect of highly charged ion bombardment on a manganese arsenide thin film. The MnAs films, 150 nm thick, are irradiated with 90 keV Ne$^{9+}$ ions with a dose varying from $1.6\times10^{12}$ to…

In high-quality c-axis-oriented MgB2 thin films, we observed high critical current densities (Jc) of 16 MA/cm^2 at 15 K under self fields comparable to those of cuprate high-temperature superconductors. The extrapolated value of Jc at 5 K…

Superconductivity · Physics 2009-11-07 Hyeong-Jin Kim , W. N. Kang , Eun-Mi Choi , Mun-Seog Kim , Kijoon H. P. Kim , Sung-Ik Lee

From 2005 through 2012, the Fermilab Main Injector provided intense beams of 120 GeV protons to produce neutrino beams and antiprotons. Hardware improvements in conjunction with improved diagnostics allowed the system to reach sustained…

We report on a numerical study of the density matrix functional introduced by Lieb, Solovej and Yngvason for the investigation of heavy atoms in high magnetic fields. This functional describes {\em exactly} the quantum mechanical ground…

atom-ph · Physics 2009-10-28 Kristinn Johnsen , Jakob Yngvason

The interaction of intense laser pulses with nano-scale particles leads to the production of high-energy electrons, ions, neutral atoms, neutrons and photons. Up to now, investigations have focused on near-infrared to X-ray laser pulses…

Porous single layer molybdenum disulfide (MoS$_2$) is a promising material for applications such as DNA sequencing and water desalination. In this work, we introduce irradiation with highly charged ions (HCIs) as a new technique to…

We introduce a novel in-situ strong field ionization tomography approach for characterizing the spatial density distribution of gas jets. We show that for typical intensities in high harmonic generation experiments, the strong field…

Magnetic flux noise is a dominant source of dephasing and energy relaxation in superconducting qubits. The noise power spectral density varies with frequency as $1/f^\alpha$ with $\alpha \sim 1$ and spans 13 orders of magnitude. Recent work…

Superconductivity · Physics 2016-10-26 P. Kumar , S. Sendelbach , M. A. Beck , J. W. Freeland , Zhe Wang , Hui Wang , C. C. Yu , R. Q. Wu , D. P. Pappas , R. McDermott

The advent of high-intensity radioactive ion beams has opened new avenues for nuclear structure research. By studying exotic ions, phenomena such as shell evolution, halos, and the limits of stability have been studied. In particular,…

Instrumentation and Detectors · Physics 2025-08-26 Junki Tanaka , Martha Liliana Cortés , Hongna Liu , Ryo Taniuchi

Laser-driven ion accelerators have the advantages of compact size, high density, and short bunch duration over conventional accelerators. Nevertheless, it is still challenging to simultaneously enhance the yield and quality of laser-driven…

Plasma Physics · Physics 2016-11-22 S. M. Weng , M. Liu , Z. M. Sheng , M. Murakami , M. Chen , L. L. Yu , J. Zhang

NanoSQUIDs are quantum sensors that excel in detecting a small change in magnetic flux with high sensitivity and high spatial resolution. Here, we employ resist-free direct-write Ga+ Focused Ion Beam Induced Deposition (FIBID) techniques to…

Superconductivity · Physics 2022-03-11 Fabian Sigloch , Soraya Sangiao , Pablo Orús , José María de Teresa

Josephson junctions with ferromagnetic layers are vital elements in a new class of cryogenic memory devices. One style of memory device contains a spin valve with one "hard" magnetic layer and one "soft" layer. To achieve low switching…

Superconductivity · Physics 2017-10-20 Joseph A. Glick , Reza Loloee , W. P. Pratt, , Norman O. Birge

This review presents the Laser-Induced Fluorescence Spectroscopy (LIFS) of trapped gas-phase molecular ions. A brief description of the theory and experimental approaches involved in fluorescence spectroscopy, together with state-of-the-art…

Quantum Physics · Physics 2022-06-17 Hemanth Dinesan , S. Sunil Kumar

Resonance ionization laser ion sources are efficient and element selective ion sources, which are particularly well suited for radioactive ion beam facilities. Using TRIUMF's off-line laser ion source test stand with a system of tunable…

Atomic Physics · Physics 2020-01-15 R. Li , J. Lassen , F. Ames , P. Kunz , M. Mostamand , B. B. Reich , A. Teigelhöfer , H. Yan

Use of dielectric barrier discharge (DBD) as an ion source for sensitive chemical analysis is uncommon because barrier discharges generate excess noise due to spatial and temporal instability. This design uses contacted, crossed…

Instrumentation and Detectors · Physics 2016-02-22 Stephen L. Coy , Evgeny V. Krylov , Gary A. Eiceman , Isik Kanik