Results 21 to 30 of about 9,908 (221)

Defect Studies in Thin-Film SiO₂ of a Metal-Oxide-Silicon Capacitor Using Drift-Assisted Positron Annihilation Lifetime Spectroscopy [PDF]

Nanomaterials
This work investigates the impact of an internal electric field on the annihilation characteristics of positrons implanted in a 180(10)nm SiO2 layer of a Metal-Oxide-Silicon (MOS) capacitor, using Positron Annihilation Lifetime Spectroscopy (PALS).
Ricardo Helm, Werner Egger, Catherine Corbel, Peter Sperr, Maik Butterling, Andreas Wagner, Maciej Oskar Liedke, Johannes Mitteneder, Michael Mayerhofer, Kangho Lee, Georg S. Duesberg, Günther Dollinger, Marcel Dickmann   +12 more
doaj   +2 more sources

Kinetics of natural aging in Al-Mg-Si alloys studied by positron annihilation lifetime spectroscopy [PDF]

, 2011
The process of natural aging in pure ternary Al-Mg-Si alloys was studied by positron annihilation lifetime spectroscopy in real time in order to clarify the sequence and kinetics of clustering and precipitation.
John Banhart, Matthew D. H. Lay, C. S. T. Chang, Anita J. Hill   +3 more
openalex   +3 more sources

Surface Microstructure Study on Corona Discharge-Treated Polyethylene Using Positron Annihilation Spectroscopy [PDF]

Molecules
The microstructure and chemical properties of the corona discharge process could provide an effective method for predicting the performance of high-voltage cable insulation materials.
Jingjing Li, Zhiwei Shen, Liuyang Tie, Tianyuan Long, Qiyue Zhong, Xi Chen, Chongshan Yin, Liguo Liufu, Xianhao Huang, Bangyun Xiong, Xibo Li, Chongxiong Duan, Chunqing He   +12 more
doaj   +2 more sources

Investigating the Free Volumes as Nanospaces in Human Stratum Corneum Lipid Bilayers Using Positron Annihilation Lifetime Spectroscopy (PALS) [PDF]

Int J Mol Sci
Mojsiewicz-Pieńkowska K, Bazar D, Filipecki J, Chamerski K.   +3 more
europepmc   +3 more sources

Development of a PbWO₄ Detector for Single-Shot Positron Annihilation Lifetime Spectroscopy at the GBAR Experiment [PDF]

, 2020
We have developed a PbWO4 (PWO) detector with a large dynamic range to measure the intensity of a positron beam and the absolute density of the ortho-positronium (o-Ps) cloud it creates.
B.H. Kim, J.J. Choi, М. Chung, Pierre Cladé, P. Comini, P. Crivelli, P-P Crépin, O. D. Dalkarov, P. Debu, L. Dodd, A. Douillet, P. Froehlich, S. Guellati, Johannes Heinrich, P-A Hervieux, Laurent Hilico, A. Husson, P. Indelicato, Gianluca Janka, S. Jonsell, Jean‐Philippe Karr, Eun Sun Kim, S.K. Kim, Yongtae KO, Tymoteusz Kosiński, N. Kuroda, B. M. Latacz, H. S. Lee, Jeehyun Lee, A.M.M. Leite, E. Lim, L. Liszkay, Thomas Louvradoux, D. Lunney, K. Lévêque, Giovanni Manfredi, B. Mansoulié, M. Matusiak, G. Mornacchi, V.V. Nesvizhevsky, F. Nez, S. Niang, Reo Nishi, S. Nourbaksh, P. Lotrus, Kang Hyun Park, N. Paul, P. Pérez, B. Radics, C. Regenfus, Serge Reynaud, J.-Y. Roussé, A. Rubbia, J. Rzadkiewicz, Y. Sacquin, F. Schmidt‐Kaler, M. Staszczak, B. Tuchming, B. Vallage, D. P. van der Werf, A. Yu. Voronin, A. Welker, S. Wolf, D. Won, S. Wronka, Y. Yamazaki, K-H. Yoo   +66 more
openalex   +5 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, Jana Simeg Veternikova, Jarmila Degmova, Stanislav Sojak, Martin Petriska, Pavol Noga, Vladimir Krsjak   +6 more
doaj   +1 more source

Porosimetry of Zeolitic Imidazolate Frameworks Using Positron Annihilation Lifetime Spectroscopy

Microporous and Mesoporous Materials, 2022
S. Sharma, J. Mor, P. Utpalla, Jitendra Bahadur, D. Sen   +4 more
openalex   +2 more sources

A single shot gamma-induced positron spectroscopy based on laser wakefield accelerator

AIP Advances, 2021
Single shot gamma-induced positron annihilation spectroscopy (GiPS) based on a laser wakefield accelerator is proposed. In this spectroscopy, a large number of gamma rays generated by laser-wakefield accelerated electrons are injected into a sample in a ...
Yonghong Yan, Minghai Yu, Shaoyi Wang, Fang Tan, Yue Yang, Xiaohui Zhang, Yuchi Wu, Jingqin Su, Weimin Zhou, Yuqiu Gu   +9 more
doaj   +1 more source

On the Limitations of Positron Annihilation Spectroscopy in the Investigation of Ion-Implanted FeCr Samples

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, Jarmila Degmova, Stanislav Sojak, Martin Petriska, Pavol Noga, Vladimir Krsjak   +5 more
doaj   +1 more source

Position-resolved Positron Annihilation Lifetime Spectroscopy [PDF]

Journal of Physics: Conference Series, 2013
A new method which allows for position-resolved positron lifetime spectroscopy studies in extended volume samples is presented. In addition to the existing technique of in-situ production of positrons inside large (cm3) bulk samples using high-energy photons up to 16 MeV from bremsstrahlung production, granular position-sensitive photon detectors have ...
Wagner, A., Butterling, M., Fiedler, F., Fritz, F., Kempe, M., Cowan, T. E.   +5 more
openaire   +1 more source