Introduction
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Structural Changes in Flash Lamp Annealed Amorphous Si Layers Probed by Slow Positron Implantation Spectroscopy
W. Anwand, Th. Schumann, G. Brauer, W. Skorupa, S.Z. Xiong, C.Y. Wu and T. Gebel page 1273  abstract   Full Text PDF

Performance of a High-Resolution Digital Positron-Lifetime Spectrometer
F. Bečvář, J. Čížek and I. Procházka page 1279  abstract   Full Text PDF

Influence of Ceramic Nanoparticles on Thermal Stability of Ultra Fine Grained Copper
J. Čížek, I. Procházka, M. Cieslar, R.K. Islamgaliev and O. Kulyasova page 1285  abstract   Full Text PDF

Hydrogen Interaction with Vacancies in Electron Irradiated Niobium
J. Čižek, I. Procházka, G. Brauer, W. Anwand, R. Gemma, E. Nikitin, R. Kirchheim and A. Pundt page 1293  abstract   Full Text PDF

Production of Cold Positronium Atoms
R.S. Brusa, S. Mariazzi, G. Consolati, A. Dupasquier, F. Quasso and M.G. Giammarchi page 1301  abstract   Full Text PDF

Influence of Temperature and Pressure on the Free Volume in Thermo-Shrunken Polyethylene by Positron Annihilation
A. Danch, W. Osoba and J. Wawryszczuk page 1307  abstract   Full Text PDF

Is Kapton Really That Simple?
C. Dauwe, J. De Baerdemaeker, B. Van Waeyenberge, N. Djourelov and N. Laforest page 1315  abstract   Full Text PDF

Polyamide 6/Layered Silicate Nanocomposites
M. Dębowska, J. Rudzińska-Girulska, J. Pigłowski and J. Dołęga page 1321  abstract   Full Text PDF

A Simplified Method for the Estimation of Hole Free Volume Fraction from the Specific Volume
G. Dlubek and J. Pionteck page 1331  abstract   Full Text PDF

New Experimental Approach to the Detection of Positron Annihilation, in Flight Process
J. Dryzek page 1339  abstract   Full Text PDF

Current Problems and Unknowns, in Positronium Dynamics
G. Duplâtre page 1347  abstract   Full Text PDF

Free-Volume Studies in Polycaprolactone/Poly(propylene oxide) Urethane/Urea Membranes, by Positron Lifetime Spectroscopy
M.F. Ferreira Marques, P.M. Gordo, A.P. de Lima, D.P. Queiroz, M. Norberta de Pinho, P. Major and Zs. Kajcsos page 1359  abstract   Full Text PDF

Genetic Algorithms for Positron Lifetime Data
A. Karbowski, J.J. Fisz, G.P. Karwasz, J. Kansy and R.S. Brusa page 1365  abstract   Full Text PDF

Study on the Structure of Defects in a-Si:H Films by Positron Annihilation and Micro-Raman Spectroscopy
P.M. Gordo, A.P. de Lima, M.F. Ferreira Marques and Zs. Kajcsos page 1373  abstract   Full Text PDF

Ortho-Positronium in Alkanes, under High Pressure
T. Goworek and B. Zgardzińska page 1379  abstract   Full Text PDF

Positron Annilation Lifetime and Glass Transition Temperatures in CO₂ Sorption Polystyrene
Y.C. Jean, H. Chen, L.J. Lee and J. Yang page 1385  abstract   Full Text PDF

A Comparison of Different Theoretical Models of Positron Lifetime Spectra, for Polymers
J. Kansy page 1397  abstract   Full Text PDF

Vacancy Formation in Fe-Al of B2 and DO₃ Alloys
J. Kansy, A. Hanc, D. Giebel and M. Jabłońska page 1409  abstract   Full Text PDF

Transform Methods of Computerized Tomography in Studying Electronic Structure and Fermi Surfaces of Solids
G. Kontrym-Sznajd page 1417  abstract   Full Text PDF

Comparison of Various Reconstruction Techniques for Line Projections
G. Kontrym-Sznajd, M. Samsel-Czekała and M. Biasini page 1429  abstract   Full Text PDF

Correlations between Positron Annihilation Parameters and Macroscopic Properties in Copolymers Belonging to Elastomers Group
K. Krzemień and J. Kansy page 1435  abstract   Full Text PDF

Positron and Positronium Trapping in Heat Treated Zeolites (Ceramics), the Effect of Swift Heavy Ion Irradiation
P. Major, Zs. Kajcsos, L. Liszkay, P. Zalán, C. Kosanović, S. Bosnar, B. Subotić, K. Lázár, V.A. Skuratov, K. Havancsák, P.M. Gordo and M.F. Ferreira Marques page 1441  abstract   Full Text PDF

Depth Profiling of Defects, in He Implanted SiO₂
S. Mariazzi, L. Toniutti, R.S. Brusa, M. Duarte Naia, A. Karbowski and G.P. Karwasz page 1447  abstract   Full Text PDF

Simulation of Positron Annihilation Response to Mechanical Deformation, of Nanostructured AgCo
O. Melikhova, J. Kuriplach, J. Čížek, I. Procházka, M. Hou, S. Pisov and E. Zhurkin page 1455  abstract   Full Text PDF

Is a Molecular Adiabatic Approximation Appropriate to Positronic Atoms and Molecules?
J.R. Mohallem page 1465  abstract   Full Text PDF

A Study of Defects in Iron Based Alloys by Positron Annihilation Techniques
K.M. Mostafa, J. De, Baerdemaeker, D. Segers, P.R. Calvillo, N. Van Caenegem and Y. Houbaert page 1471  abstract   Full Text PDF

Positron Annihilation in Carbon Nanotubes Studied by Coincidence Doppler Broadening Spectroscopy
H. Murakami, K. Sato, I. Kanazawa and M. Sano page 1479  abstract   Full Text PDF

Structural Changes, in Surface-Modified Polymers, for Medical Applications
E. Pamula and E. Dryzek page 1485  abstract   Full Text PDF

Positron Lifetimes in Zirconia-Based Nanomaterials
I. Procházka, J. Čížek, J. Kuriplach, O. Melikhova, T.E. Konstantinova and I.A. Danilenko page 1495  abstract   Full Text PDF

Effect of the Positron Distribution, on the Electron-Positron Momentum Density Calculated for SiC
A. Rubaszek page 1501  abstract   Full Text PDF

Positron Annihilation in Steel Samples Deformed by Uniaxial Tension
W. Rudzińska, M. Szuszkiewicz, G. Bujnarowski and A.A. Kluza page 1507  abstract   Full Text PDF

Positron and Positronium Annihilation, in Polymers Studied by Age-Momentum Correlation Spectroscopy
K. Sato, H. Murakami, K. Ito, K. Hirata and Y. Kobayashi page 1511  abstract   Full Text PDF

Nanopores in Silica Aerogels
O. Šauša, M. Iskrová, V. Majerník, J. Krištiak, K. Jesenák and M. Vargová page 1517  abstract   Full Text PDF

Electron-Positron Interaction in Jellium: Modification of the Perturbed Hypernetted-Chain Approach
H. Stachowiak and E. Boroński page 1523  abstract   Full Text PDF

Theoretical Study of Positronic Atoms with Adiabatic Separation, of Positronic Motion
K. Strasburger and M. Wołcyrz page 1533  abstract   Full Text PDF

Positron Porosimetry Studies, of Template Removal, from As-Synthesized MCM-41 Silica
R. Zaleski and J. Wawryszczuk page 1543  abstract   Full Text PDF

Positronium in Phase IV and Rotator Phase of Long-Chain Alkanes
B. Zgardzińska and T. Goworek page 1551  abstract   Full Text PDF