Results 111 to 120 of about 58,492 (234)

Plastic Deformation of Polypropylene Studied by Positron Annihilation Lifetime Spectroscopy

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

Photon correlations in positron annihilation

open access: yes, 2010
The two-photon positron annihilation density matrix is found to separate into a diagonal center of energy factor implying maximally entangled momenta, and a relative factor describing decay.
Isabelle Gauthier   +3 more
core   +1 more source

Characterization of defects in a martensitic CuAlNi shape-memory alloy [PDF]

open access: yes, 2018
A water-quenched martensitic CuAlNi shape-memory alloy was investigated by a combination of coincidence Doppler broadening and positron-lifetime spectroscopy, supported by positron-lifetime calculations.
Kuriplach, J.   +3 more
core  

Positron annihilation spectroscopy with magnetically analyzed beams [PDF]

open access: yes
Lifetime measurements with magnetically analyzed positron beams were made in condensed media with uniform and non-uniform properties. As expected, the lifetime values with magnetically analyzed positron beams in uniform targets are similar to those ...
Holt, W. H., Mock, W., Jr., Singh, J. J.
core   +1 more source

Vacancy complexes in nonequilibrium germanium-tin semiconductors

open access: yes, 2019
Understanding the nature and behavior of vacancy-like defects in epitaxial GeSn metastable alloys is crucial to elucidate the structural and optoelectronic properties of these emerging semiconductors.
A. Wagner   +10 more
core   +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

Generation and characterization of point defects in SrTiO3 and Y3Al5O12

open access: yesResults in Physics, 2015
Positron annihilation lifetime spectroscopy (PALS) was applied to characterize point defects in single crystals of Y3Al5O12 and SrTiO3 after populating different types of defects by relevant thermal treatments.
F.A. Selim   +5 more
doaj   +1 more source

The First Cold Antihydrogen

open access: yes, 2004
Antihydrogen, the atomic bound state of an antiproton and a positron, was produced at low energy for the first time by the ATHENA experiment, marking an important first step for precision studies of atomic antimatter.
A. Bouchta   +54 more
core   +1 more source

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