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Sperr, P.
219  results:
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1

Positron-annihilation lifetime spectroscopy with in-situ co..:

Helm, R. ; Lehtonen, J. ; Mayerhofer, M....
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms.  549 (2024)  - p. 165263 , 2024
Link: https://doi.org/10.1016/..
 
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2

Fatigue and fracture-induced defect structures of metals in..:

Egger, W. ; Kögel, G. ; Sperr, P....
International Journal of Materials Research.  94 (2022)  6 - p. 687-693 , 2022
Link: https://doi.org/10.1515/..
 
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3

Micrometer positron beam characterization at the Scanning P..:

Mitteneder, J ; Dickmann, M ; Kögel, G...
Journal of Physics: Conference Series.  791 (2017)  - p. 012006 , 2017
Link: https://doi.org/10.1088/..
 
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4

Geant4 simulation of the effect of backscattered positrons ..:

Ravelli, L ; Löwe, B ; Egger, W...
Journal of Physics: Conference Series.  443 (2013)  - p. 012096 , 2013
Link: https://doi.org/10.1088/..
 
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5

Development of a new time and position resolving detector f..:

Ackermann, U ; Egger, W ; Sperr, P...
Journal of Physics: Conference Series.  443 (2013)  - p. 012095 , 2013
Link: https://doi.org/10.1088/..
 
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6

Experimental elucidation of vacancy complexes associated wi..:

Moutanabbir, O. ; Scholz, R. ; Gösele, U....
Physical Review B.  81 (2010)  11 - p. , 2010
Link: https://doi.org/10.1103/..
 
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7

On the defect pattern evolution in sapphire irradiated by s..:

Gordo, P.M. ; Liszkay, L. ; Kajcsos, Zs....
Applied Surface Science.  255 (2008)  1 - p. 254-256 , 2008
Link: https://doi.org/10.1016/..
 
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8

Surface and bulk investigations at the high intensity posit..:

Hugenschmidt, C. ; Dollinger, G. ; Egger, W....
Applied Surface Science.  255 (2008)  1 - p. 29-32 , 2008
Link: https://doi.org/10.1016/..
 
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9

Status of the pulsed low energy positron beam system (PLEPS..:

Sperr, P. ; Egger, W. ; Kögel, G....
Applied Surface Science.  255 (2008)  1 - p. 35-38 , 2008
Link: https://doi.org/10.1016/..
 
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10

Investigations of epoxy-based adhesives with PLEPS:

Egger, W. ; Sperr, P. ; Kögel, G...
Applied Surface Science.  255 (2008)  1 - p. 209-212 , 2008
Link: https://doi.org/10.1016/..
 
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11

Near surface stress determination in Kr-implanted polycryst..:

Härting, M. ; Nsengiyumva, S. ; Raji, A.T....
Surface and Coatings Technology.  201 (2007)  19-20 - p. 8237-8241 , 2007
Link: https://doi.org/10.1016/..
 
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12

Microstructural defect characterisation of a-Si:H deposited..:

Britton, D.T. ; Härting, M. ; Knoesen, D....
Thin Solid Films.  501 (2006)  1-2 - p. 79-83 , 2006
Link: https://doi.org/10.1016/..
 
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13

Analysis of defect configurations with positron lifetime me..:

Egger, W. ; Kögel, G. ; Sperr, P..
International Journal of Materials Research.  97 (2006)  12 - p. 1633-1641 , 2006
Link: https://doi.org/10.3139/..
 
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14

Decoration of buried surfaces in Si detected by positron an..:

Brusa, R. S. ; Macchi, C. ; Mariazzi, S....
Applied Physics Letters.  88 (2006)  1 - p. , 2006
Link: https://doi.org/10.1063/..
 
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15

Absence of positronium formation in clean buried nanocaviti..:

Brusa, R. S. ; Macchi, C. ; Mariazzi, S....
Physical Review B.  71 (2005)  24 - p. , 2005
Link: https://doi.org/10.1103/..
 
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