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We report and characterize low-temperature, plasma-deposited deuterated silicon nitride thin films for nonlinear integrated photonics. With a peak processing temperature less than 300$^\circ$C, it is back-end compatible with pre-processed…

IceCube was completed in December 2010. It forms a lattice of 5160 photomultiplier tubes that monitor a volume of ~ 1 cubic km in the deep Antarctic ice for particle induced photons. The telescope was designed to detect neutrinos with…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Lutz Köpke

For the purpose of withstanding very high radiation doses, silicon pixel sensors with a 3D electrode geometry are being developed. Detectors of this kind are highly interesting for harch radiation environments such as expected in the High…

Originally developed technique based on generation of plasma-cluster flux emitted from cathode spots at surface of an integrally cold cathode has been applied for deposition of niobium superconductive (thick) film materials. Possibility for…

Materials Science · Physics 2018-02-12 K. Pavlov , A. Savin , J. Laurila , P. Vuoristo , K. Gorchakov , S. Gorchakova

Two-dimensional boron structures, due to the diversity of properties, attract great attention because of their potential applications in nanoelectronic devices. A series of \ce{TiB_x} ($4\leq x \leq 11$) monolayers are efficiently…

Chemical Physics · Physics 2020-08-26 Jason Yu , Jihai Liao , Yujun Zhao , Yinchang Zhao , Xiaobao Yang

We present a study of thin-film molybdenum resistors for NbN electronics operating at cryogenic temperatures. The key step is the 0.5-1.5 keV ion cleaning-activation of NbN before Mo deposition which allows to obtain a high-quality Mo/NbN…

Superconductivity · Physics 2024-06-18 Yu P Korneeva , M A Dryazgov , N V Porokhov , N N Osipov , M I Krasilnikov , A A Korneev , M. A. Tarkhov

Silicon-based dielectric is crucial for many superconducting devices, including high-frequency transmission lines, filters, and resonators. Defects and contaminants in the amorphous dielectric and at the interfaces between the dielectric…

Instrumentation and Methods for Astrophysics · Physics 2023-08-09 M. Lisovenko , Z. Pan , P. S. Barry , T. Cecil , C. L. Chang , R. Gualtieri , J. Li , V. Novosad , G. Wang , V. Yefremenko

The use of low-temperature detectors, such as cryogenic calorimeters, has pioneered the recent advancements in low-energy rare event searches. These detectors provide a low-noise environment essential for the direct detection of dark matter…

Instrumentation and Detectors · Physics 2026-02-25 Giorgio Del Castello

The production of flexible and robust thermal neutron detectors with improved properties as compared to the commercial ZnS:Ag based phosphors is here pursued, exploiting a siloxane binder, whose intrinsic properties as related to the…

Instrumentation and Detectors · Physics 2018-08-30 S. M. Carturan , M. Vesco , I. Bonesso , A. Quaranta , G. Maggioni , L. Stevanato , E. Zanazzi , T. Marchi , D. Fabris , M. Cinausero , F. Gramegna

To increase density of superconductor digital and neuromorphic circuits by 10x and reach integration scale of $10^8$ Josephson junctions (JJs) per chip, we developed a new fabrication process on 200-mm wafers, using self-shunted…

Neutron scattering techniques offer a unique combination of structural and the dynamic information of atomic and molecular systems over a wide range of distances and times. The increasing complexity in science investigations driven by…

Instrumentation and Detectors · Physics 2019-05-30 Giacomo Mauri

In this work, we have developed and characterized a position-sensitive CLYC detector that acts as the neutron imaging layer and $\gamma$-ray Compton scatterer of the novel dual \g-ray and neutron imaging system GN-Vision, which aims at…

Secondary Ions Mass Spectroscopy and Hall effect measurements were performed on boron doped silicon with concentration between 0.02 at.% and 12 at.%. Ultra-high boron doping was made by saturating the chemisorption sites of a Si wafer with…

Neutron imaging is one of the most powerful tools for nondestructive inspection owing to the unique characteristics of neutron beams, such as high permeability for many heavy metals, high sensitivity for certain light elements, and isotope…

Prototypes of newly developed boron-coated straw (BCS) detectors have been tested in the thermal and cold neutron energy ranges. Their neutron detection performance has been benchmarked against the industry standard (detector tubes filled…

Instrumentation and Detectors · Physics 2020-01-29 Georg Ehlers , Athanasios Athanasiades , Liang Sun , Christopher S. Martin , Murari Regmi , Jeffrey L. Lacy

Boron-doped molybdenum silicides have been already recognized as attractive candidates for space and ground ultra-high temperature applications far beyond limits of state-of-the-art nickel based superalloys. In this work, we are exploring a…

Materials Science · Physics 2022-08-17 G. Bruzda , W. Polkowski , R. Nowak , A. Polkowska , S. Lech , K. Karczewski , M. Książek , D Giuranno

The unique electrical and material properties of 4H-silicon-carbide (4H-SiC) make it a promising candidate material for high rate particle detectors. In contrast to the ubiquitously used silicon (Si), 4H-SiC offers a higher carrier…

While ultrafast laser welding is an appealing technique for bonding transparent workpieces, it is not applicable for joining silicon samples due to nonlinear propagation effects which dramatically diminishes the possible energy deposition…

Applied Physics · Physics 2023-03-08 Maxime Chambonneau , Qingfeng Li , Markus Blothe , Stefan Nolte

We report the first successful extraction of accumulated ultracold neutrons (UCN) from a converter of superfluid helium, in which they were produced by downscattering neutrons of a cold beam from the Munich research reactor. Windowless UCN…

Optical reflectivity contrast provides a simple, fast and noninvasive method for characterization of few monolayer samples of two-dimensional materials. Here we apply this technique to measure the thickness of thin flakes of hexagonal Boron…