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UV nanosecond pulsed laser annealing (UV NLA) enables both surface-localized heating and short timescale high temperature processing, which can be advantageous to reduce metal line resistance by enlarging metal grains in lines or in thin…

We present an Ultra-Cool Dwarf (UCD) catalogue compiled from low southern Galactic latitudes and mid-plane, from a cross-correlation of the 2MASS and SuperCOSMOS surveys. The catalogue contains 246 members identified from 5042 sq. deg.…

Solar and Stellar Astrophysics · Physics 2015-06-04 S. L. Folkes , D. J. Pinfield , H. R. A. Jones , R. Kurtev , Z. Zhang , M. C. Gálvez-Ortiz , F. Marocco , A. C. Day-Jones , J. R. A. Clarke

We present the discovery of several Ultra Compact Dwarfs (UCDs) located in field/group environments. Examination of these objects, plus literature objects, confirms the existence of two distinct formation channels for UCDs. We find that the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 Mark A. Norris , Sheila J. Kannappan

We demonstrate an environmentally friendly and scalable method to create fluorine-doped diamond-like carbon (F-DLC) coatings using plasma immersion ion implantation plasma-enhanced chemical vapor deposition (PIII-PECVD) with…

The problem of possible application of an ultracold neutron (UCN) trap as a detector of dark matter particles with long-range radius of forces has been considered. Transmission of small recoil energy in scattering is a characteristic of…

Nuclear Experiment · Physics 2013-05-30 A. P. Serebrov , O. M. Zherebtsov , A. K. Fomin , M. S. Onegin

In this study structural and mechanical properties of a 1 um thick Al2O3 coating, deposited on 316L stainless steel by Pulsed Laser Deposition (PLD), subjected to high energy ion irradiation were assessed. Mechanical properties of pristine…

Carbon nanotubes (CNTs) make an ideal one-dimensional (1D) material platform for the exploration of exotic physical phenomena under extremely strong quantum confinement. The 1D character of electrons, phonons and excitons in individual CNTs…

Mesoscale and Nanoscale Physics · Physics 2019-03-18 Weilu Gao , Junichiro Kono

The nonlinear optical properties of a plasma due to the relativistic electron motion in an intense laser field are of fundamental importance for current research and the generation of brilliant laser-driven sources of particles and…

High-quality ultra-thin films of niobium nitride (NbN) are developed by plasma-enhanced atomic layer deposition (PEALD) technique. Superconducting nanowire single-photon detectors (SNSPDs) patterned from this material exhibit high switching…

Applied Physics · Physics 2020-01-08 Risheng Cheng , Sihao Wang , Hong X. Tang

The NeuLAND (New Large-Area Neutron Detector) plastic-scintillator-based time-of-flight detector for 0.1-1.6 GeV neutrons is currently under construction at the Facility for Antiproton and Ion Research (FAIR), Darmstadt, Germany. In its…

Instrumentation and Detectors · Physics 2023-01-11 Thomas Hensel , David Weinberger , Daniel Bemmerer , Konstanze Boretzky , Igor Gašparić , Daniel Stach , Andreas Wagner , Kai Zuber

We report on an investigation on the properties of ultra-low density, fractal, Carbon nanofoams fabricated with the nanosecond and femtosecond pulsed-laser deposition (PLD) techniques. We measure through innovative techniques the foam mean…

Unidirectional light emission from planar photonic structures is highly advantageous for a wide range of optoelectronic applications. Recently, it has been demonstrated that unidirectional guided resonances (UGRs) can be realized by…

Optics · Physics 2023-12-04 Sun-Goo Lee , Seong-Han Kim , Wook-Jae Lee

In recent decades, photosensitive materials have been used for the development of optical devices not only for light, but also for cold and very cold neutrons. We show that holographically recorded gratings in nanodiamond-polymer composites…

Polycrystalline diamond coatings have been grown on cemented carbide substrates with different aspect ratios by a microwave plasma CVD in methane-hydrogen gas mixtures. To protect the edges of the substrates from non-uniform heating due to…

An ultra thin silicon detector called U3DTHIN has been designed and built for neutral particle analyzers (NPA) and thermal neutron detection. The main purpose of this detector is to provide a state-of-the-art solution for detector system of…

Instrumentation and Detectors · Physics 2018-01-03 F. Garcia , G. Pellegrini , M. Lozano , J. P. Balbuena , C. Fleta , C. Guardiola , D. Quirion

Skipper Charge-Coupled Devices (skipper-CCDs) are pixelated silicon detectors with deep sub-electron resolution. Their radiation hardness and capability to reconstruct energy deposits with unprecedented precision make them a promising…

Instrumentation and Methods for Astrophysics · Physics 2026-05-11 Ana M. Botti , Yikai Wu , Brenda Cervantes , Claudio Chavez , Juan Estrada , Stephen E. Holland , Nathan Saffold , Javier Tiffenberg , Sho Uemura

Position-sensitive detectors for cold and ultra-cold neutrons (UCN) are in use in fundamental research. In particular, measuring the properties of the quantum states of bouncing neutrons requires micro-metric spatial resolution. To this…

Instrumentation and Detectors · Physics 2017-11-16 O. Bourrion , B. Clement , D. Tourres , G. Pignol , Y. Xi , D. Rebreyend , V. V. Nesvizhevsky

We have investigated solid oxygen as a converter material for the production of ultra-cold neutrons. In a first series of experiments the crystal preparation was examined. An optically semi-transparent solid $\alpha$-oxygen crystal has been…

Nuclear Experiment · Physics 2011-07-12 A. Frei , F. Böhle , R. Bozhanova , E. Gutsmiedl , T. Huber , J. Klenke , S. Paul , S. Wlokka

Vanadium dioxide, a well-known Mott insulator, is a highly studied electronic material with promising applications in information processing and storage. While fully crystalline layers exhibit exceptional properties, such as a sharp and…

We show that electroplated Re films in multilayers with noble metals such as Cu, Au, and Pd have an enhanced superconducting critical temperature relative to previous methods of preparing Re. The dc resistance and magnetic susceptibility…