scholarly journals Preliminary results on low-energy positron age-momentum correlation measurements based on a radioisotope-source positron beam

2018 ◽  
Author(s):  
Kenji Ito
Keyword(s):  
Positron Beam ◽  
Low Energy ◽  
Preliminary Results ◽  
Radioisotope Source ◽  
Momentum Correlation

Preliminary Results of Low Energy Sputter Yields of Boron Nitride due to Xenon Ion Bombardment (Preprint)

2008 ◽  
Author(s):  
James L. Topper ◽  
Binyamin Rubin ◽  
Cody C. Farnell ◽  
Azer P. Yalin
Keyword(s):  
Boron Nitride ◽  
Ion Bombardment ◽  
Low Energy ◽  
Preliminary Results

Low energy positron beam studies of nano-TiN films

1994 ◽  
Vol 26 (2-3) ◽  
pp. 163-166 ◽  
Author(s):  
Huimin Weng ◽  
Dazhi Wang ◽  
Rongdian Han ◽  
Yi Jiang ◽  
Genqing Yang ◽  
...  
Keyword(s):  
Positron Beam ◽  
Low Energy ◽  
Tin Films

Investigation of surface defects on Ni(110) with a low-energy positron beam

1987 ◽  
Vol 35 (3) ◽  
pp. 1034-1038 ◽  
Author(s):  
A. R. Köymen ◽  
D. W. Gidley ◽  
T. W. Capehart
Keyword(s):  
Surface Defects ◽  
Positron Beam ◽  
Low Energy

Observations of the galactic center with the GSFC Low-Energy Gamma-Ray Spectrometer: Preliminary results

1982 ◽  
Author(s):  
W. S. Paciesas ◽  
T. L. Cline ◽  
B. J. Teegarden ◽  
J. Tueller ◽  
P. Durouchoux ◽  
...  
Keyword(s):  
Gamma Ray ◽  
Galactic Center ◽  
Low Energy ◽  
Preliminary Results ◽  
Gamma Ray Spectrometer ◽  
Energy Gamma

Defect Formation by Ion Implantation in Cz-Si Studied by a Monoenergetic Positron Beam

1992 ◽  
Vol 262 ◽  
Author(s):  
A. Uedono ◽  
Y. Ujihira ◽  
L. Wei ◽  
Y. Tabuki ◽  
S. Tanigawa ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Ion Implantation ◽  
Defect Formation ◽  
Positron Beam ◽  
Low Energy ◽  
Doppler Broadening ◽  
Positron Energy ◽  
Annealing Experiments ◽  
Incident Positron ◽  
Ion Implanted

ABSTRACTVacancy-type defects in ion implanted Si were studied by a monoenergetic positron beam. The depth-distributions of the defects were obtained from measurements of Doppler broadening profiles of the positron annihilation as a function of incident positron energy. The results showed that a size of vacany-clusters introduced by 150-keV P+-ion implantation was found to be smaller than that introduced by 2-MeV P+-ion implantation. This was attributed to an overlap of collision cascades in low-energy (150 keV) ion implanted specimens. From isochronal annealing experiments for 80-keV B+- and 150-keV P+-ion implanted specimens, the defected region was removed by 1200 °C annealing, however, for 2-MeV P+-implanted specimen, two-types of oxygen-vacancy complexes were found to coexist even after 1200 °C annealing.

scholarly journals Modelling the line shape of very low energy peaks of positron beam induced secondary electrons measured using a time of flight spectrometer

2017 ◽  
Vol 791 ◽  
pp. 012030 ◽  
Author(s):  
A J Fairchild ◽  
V A Chirayath ◽  
R W Gladen ◽  
M D Chrysler ◽  
A R Koymen ◽  
...  
Keyword(s):  
Line Shape ◽  
Time Of Flight ◽  
Positron Beam ◽  
Low Energy ◽  
Secondary Electrons

Production of a monochromatic, low energy positron beam using the 11B(p,n)11C reaction

1974 ◽  
Vol 45 (7) ◽  
pp. 951-953 ◽  
Author(s):  
T. S. Stein ◽  
W. E. Kauppila ◽  
L. O. Roellig
Keyword(s):  
Positron Beam ◽  
Low Energy

Characterization of an extrapolation chamber for low-energy X-rays: Experimental and Monte Carlo preliminary results

2012 ◽  
Vol 70 (7) ◽  
pp. 1388-1391 ◽  
Author(s):  
Lucio P. Neves ◽  
Eric A.B. Silva ◽  
Ana P. Perini ◽  
Nora L. Maidana ◽  
Linda V.E. Caldas
Keyword(s):  
Monte Carlo ◽  
Low Energy ◽  
X Rays ◽  
Preliminary Results ◽  
Extrapolation Chamber
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