Results 11 to 20 of about 41,858 (234)

Positron annihilation spectroscopy of vacancy-related defects in CdTe:Cl and CdZnTe:Ge at different stoichiometry deviations. [PDF]

Sci Rep, 2016
Positron annihilation spectroscopy (PAS) was used to examine the effect of defined Cd-rich and Te-rich annealing on point defects in Cl-doped CdTe and Ge-doped CdZnTe semi-insulating single crystals.
Šedivý L, Čížek J, Belas E, Grill R, Melikhova O.   +4 more
europepmc   +2 more sources

Commissioning of the J-PET detector in view of the positron annihilation lifetime spectroscopy [PDF]

Hyperfine Interactions, 2018
The Jagiellonian Positron Emission Tomograph (J-PET) is the first PET device built from plastic scintillators. It is a multi-purpose detector designed for medical imaging and for studies of properties of positronium atoms in porous matter and in living ...
K. Dulski, C Curceanu, E Czerwiński, A. Gajos, M. Gorgol, N Gupta-Sharma, B. C. Hiesmayr, Jasińska B, K. Kacprzak, Ł. Kapłon, D. Kisielewska, K. Klimaszewski, G. Korcyl, P. Kowalski, N Krawczyk, W. Krzemien, T. Kozik, E Kubicz, M Mohammed, Sz Niedźwiecki, M. Pałka, M. Pawlik-Niedźwiecka, L Raczyński, J. Raj, K Rakoczy, Zbigniew Rudy, S. Sharma, Shivani, R. Y. Shopa, M. Silarski, M. Skurzok, W. Wiślicki, Bożena Zgardzińska, P. Moskal, K. Dulski, C Curceanu, E Czerwiński, A. Gajos, M. Gorgol, N Gupta-Sharma, B. C. Hiesmayr, Jasińska B, K. Kacprzak, Ł. Kapłon, D. Kisielewska, K. Klimaszewski, G. Korcyl, P. Kowalski, N Krawczyk, W. Krzemien, T. Kozik, E Kubicz, M Mohammed, Sz Niedźwiecki, M. Pałka, M. Pawlik-Niedźwiecka, L Raczyński, J. Raj, K Rakoczy, Zbigniew Rudy, S. Sharma, Shivani, R. Y. Shopa, M. Silarski, M. Skurzok, W. Wiślicki, Bożena Zgardzińska, P. Moskal   +67 more
openalex   +3 more sources

Convenient Preparation of Graphene Oxide from Expandable Graphite and Its Characterization by Positron Annihilation Lifetime Spectroscopy [PDF]

C, 2019
Graphene oxide (GO) is conveniently prepared from expandable graphite using a simplified Hummers’ method. The product is thoroughly characterized by usual techniques (UV-vis, Fourier-transform infrared (FTIR) and Raman spectroscopies, zeta ...
Guido Panzarasa, Giovanni Consolati, Marco Scavini, Mariangela Longhi, Fiorenza Quasso   +4 more
doaj   +2 more sources

Perspective on defect characterization in semiconductors by positron annihilation spectroscopy [PDF]

Journal of Applied Physics
This Perspective focuses on experimental and theoretical aspects of positron annihilation spectroscopy. This set of methods is highly suitable for identifying and quantifying vacancy-type defects in semiconductors and also allows for analyzing their ...
Ilja Makkonen, Filip Tuomisto
openalex   +2 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

Analysis of monomer ratios in a dimethacrylate mixture using positron annihilation spectroscopy [PDF]

Scientific Reports
Dimethacrylate based samples suitable for photopolymerization are usually used in mixtures with different ratios. In the case of the monomers D3MA and UDMA, the ideal monomer ratio of 1:1 was reported in the literature and designed as 2 M. Dimethacrylate-
Katarína Cifraničová, Ondrej Šauša, Oľga Rosskopfová, Michaela Sedničková, Helena Švajdlenková   +4 more
doaj   +2 more sources

Ortho-positronium lifetime for soft-tissue classification [PDF]

Scientific Reports
The objective of this work is to showcase the ortho-positronium lifetime as a probe for soft-tissue characterization. We employed positron annihilation lifetime spectroscopy to experimentally measure the three components of the positron annihilation ...
Ashish V. Avachat, Kholod H. Mahmoud, Anthony G. Leja, Jiajie J. Xu, Mark A. Anastasio, Mayandi Sivaguru, Angela Di Fulvio   +6 more
doaj   +2 more sources

Positron annihilation spectroscopy study of radiation-induced defects in W and Fe irradiated with neutrons with different spectra. [PDF]

Sci Rep, 2020
Ogorodnikova OV, Majerle M, Čížek J, Simakov S, Gann VV, Hruška P, Kameník J, Pospíšil J, Štefánik M, Vinš M.   +9 more
europepmc   +3 more sources

Origin of Voids at the SiO2/SiO2 and SiCN/SiCN Bonding Interface Using Positron Annihilation Spectroscopy and Electron Spin Resonance

ECS Journal of Solid State Science and Technology, 2023
To obtain reliable 3D stacking, a void-free bonding interface should be obtained during wafer-to-wafer direct bonding. Historically, SiO2 is the most studied dielectric layer for direct bonding applications, and it is reported to form voids at the ...
F. Nagano, F. Inoue, A. Phommahaxay, Lan Peng, F. Chancerel, Hasan Naser, A. Uedono, G. Beyer, E. Beyne, S. De Gendt, S. Iacovo   +10 more
semanticscholar   +1 more source

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