Results 11 to 20 of about 494,691 (265)
Positron Lifetime in Hostaphan [PDF]
Acta Physica Polonica A, 2006 Positron lifetime measurements in hostaphan RNK, used for encapsulation of Na positron sources, were performed. It was found that the parameter of positron lifetime spectra in hostaphan RNK differ markedly from those for other forms of polyethylene terephthalate. The maximum penetration depth of positrons from RNK hostaphan amounts 0.42 mm.
M. Kostrzewa +3 more
openaire +2 more sources
Charge-Transfer-Mediated Boron Magneto-Ionics: Towards Voltage-Driven Multi-Ion Transport. [PDF]
Adv Sci (Weinh)This study demonstrates voltage‐driven multi‐ion transport in FeBO systems, revealing simultaneous motion of B, Fe, and O ions enabled by charge‐transfer effects. By tuning oxidation states through oxygen incorporation, we achieve a transition from electrostatic‐like to electrochemical magneto‐ionic behavior. The findings establish boron magneto‐ionics,
Ma Z +15 more
europepmc +2 more sources
Novel designs for undulator based positron sources [PDF]
, 2012 At least three proposed future colliders (ILC, CLiC and LHeC) require a positron source with a yield greater than 1014 e+s−1. An undulator-based positron source has the potential to provide the required yield.
Jenkins, Mike, Bailey, Ian
core +5 more sources
Eddy current studies from the undulator-based positron source target wheel prototype [PDF]
, 2010 The efficiency of future positron sources for the next generation of high-energy particle colliders (e.g. ILC, CLIC, LHeC) can be improved if the positron-production target is immersed in the magnetic field of adjacent capture op ...
Piggott, W. T. +8 more
core +4 more sources
Nanoscale Research Letters, 2017 The objective of the study was the structural analysis of the 70TeO2-5XO-10P2O5-10ZnO-5PbF2 (X = Mg, Bi2, Ti) tellurite glasses doped with ions of the rare-earth elements Er3+, based on the PALS (positron annihilation lifetime spectroscopy) method of ...
K. Pach +4 more
doaj +1 more source
Metals, 2021 New materials for advanced fission/fusion nuclear facilities must inevitably demonstrate resistance to radiation embrittlement. Thermal and radiation ageing accompanied by stress corrosion cracking are dominant effects that limit the operational ...
Vladimir Slugen +5 more
doaj +1 more source
Determining the positron lifetime of a material using Positron Annihilation Lifetime Spectroscopy
HNPS Proceedings, 2019 N ...
K. Triantou +4 more
openaire +2 more sources
Positron annihilation studies of Eurofer97/ODS steels after helium ion implantation
Nuclear Materials and Energy, 2023 The paper briefly reviews our positron annihilation studies performed on Eurofer97 steel and its ODS variant, performed in the last about 20 years. Various aspects of radiation environments foreseen for these materials were experimentally simulated via ...
Vladimir Slugen +6 more
doaj +1 more source
Positron Lifetime Spectroscopy Applied to Pure Tellurium [PDF]
, 2021 High-purity crystalline Tellurium has been investigated using positron lifetime spectroscopy technique in order to determine basic information missing in the current experimental knowledge of the positron annihilation spectroscopy field.
Domínguez Reyes, Ricardo
core +1 more source
Single-shot positron annihilation lifetime spectroscopy using a liquid scintillator
AIP Advances, 2021 Liquid scintillators provide a fast, single component response. However, they traditionally have a low flashpoint and high vapor pressure. We demonstrate the use of an EJ-309 scintillator (high flashpoint and low vapor pressure variant) to acquire single-
Joshua R. Machacek +2 more
doaj +1 more source