Results 101 to 110 of about 42,514 (244)

Investigation of surface defects in BaTiO3 nanopowders studied by XPS and positron annihilation lifetime spectroscopy

open access: yesApplications of Surface Science, 2021
K. Siemek   +4 more
semanticscholar   +1 more source

A study of some properties for substituted Li-ferrite using positron annihilation lifetime technique

open access: yesResults in Physics, 2015
Positron annihilation lifetime spectroscopy (PALS) is used to investigate polycrystalline substituted Li-ferrite samples. The dray ceramic technique was used to prepare all investigated samples. The variation of positron annihilation parameters I1%, I2%,
E. Hassan Aly, A.M. Samy
doaj   +1 more source

Plastic Deformation of Polypropylene Studied by Positron Annihilation Lifetime Spectroscopy

open access: yesMacromolecules, 2022
Cezary Makarewicz   +3 more
semanticscholar   +1 more source

In-situ positron lifetime spectroscopy of radiation damage by simultaneous irradiation of slow-positron and ion beams [PDF]

open access: diamond, 2013
A. Kinomura   +5 more
openalex   +1 more source

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

open access: yesNanomaterials
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   +12 more
doaj   +1 more source

Application of fast‐digitizer card Acqiris DP‐240 in positron lifetime spectroscopy [PDF]

open access: bronze, 2009
Martin Petriska   +5 more
openalex   +1 more source

Free-Volume Studies in Polycaprolactone/Poly(propylene oxide) Urethane/Urea Membranes by Positron Lifetime Spectroscopy

open access: diamond, 2008
M.F. Ferreira Marques   +6 more
openalex   +1 more source

Pre-martensitic phenomena of thermoelastic martensitic transformation of NiTiCu alloys studied with positron annihilation lifetime spectroscopy

open access: yesScience and Technology of Advanced Materials, 2004
Many anomalous phenomena have been observed in NiTi alloys above martensite start temperature, such as softening of the shear constants, increase of internal friction and diffuse scattering of TEM.
J. Katsuyama, H. Araki, M. Mizuno and Y. Shirai
doaj  

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