Fizyka i chemia nanomateriałów. Charakterystyka polimerowych materiałów kompozytowych. Dynamika dwufazowych układów polimer-rozpuszczalnik. Dynamika uwalniania substancji z układów kontrolowanego uwalniania leku. Adsorpcja i desorpcja cieczy w mezoporach. Zachowanie fazowe cieczy zamkniętych w objętościach wielkości nanometrów. Badanie powstawania pozytu. Projektowanie i rozwój metod porozymetrycznych z wykorzystaniem technik anihilacyjnych. Modyfikacja warstwy wierzchniej stopów konstrukcyjnych. Przetwarzanie danych cyfrowych z detektorów promieniowania jonizującego.
Publikacje od 2004 r.:
1. Zaleski, R.; Stefaniak, W.; Goworek, J., Structural Rearrangements in Confined N-Hexane at Elevated Temperature. Isobars in Pore Characterization. Experimental Thermal and Fluid Science 2021, 128, 110435.
2. Taylor, C. N.; Urban-Klaehn, J.; Le, T. T.; Zaleski, R.; Rimer, J. D.; Gering, K. L., Catalyst Deactivation Probed by Positron Annihilation Spectroscopy. ACS Catalysis 2021, 14967-14976.
3. Skoczylas, A.; Zaleski, K.; Zaleski, R.; Gorgol, M., Analysis of Surface Properties of Nickel Alloy Elements Exposed to Impulse Shot Peening with the Use of Positron Annihilation. Materials 2021, 14, 7328.
4. Sienkiewicz, A.; Zaleski, R.; Gorgol, M.; Michalak, K.; Winiarczyk, S.; Kierys, A., Ammonia Vapor Induced Transformation of Selected Alkoxysilanes within Artificial and Natural Polymer Templates. J. Non-Cryst. Solids 2021, 121288.
5. Pietrow, M.; Zaleski, R.; Wagner, A.; Słomski, P.; Hirschmann, E.; Krause-Rehberg, R.; Liedke, M. O.; Butterling, M.; Weinberger, D., An Experimental Investigation of Light Emission Produced in the Process of Positronium Formation in Matter. Phys. Chem. Chem. Phys. 2021, 23, 11264-11271.
6. Gorgol, M.; Zaleski, R.; Kierys, A.; Kaminski, D.; Strzalkowski, K.; Fedus, K., Positron Lifetime Spectroscopy of Defect Structures in Cd1-Xznxte Mixed Crystals Grown by Vertical Bridgman-Stockbarger Method. Acta Crystallographica Section B 2021, 77, 515-525.
7. Zaleski, R.; Kierys, A.; Pietrow, M.; Zgardzińska, B.; Błażewicz, A., Influence of Different Confining Matrices on Negative Pressure in Liquid N-Heptane Investigated Using Positronium Bubbles as a Probe. J. Colloid Interface Sci. 2020, 558, 259-268.
8. Kierys, A.; Zaleski, R.; Grochowicz, M.; Gorgol, M.; Sienkiewicz, A., Polymer–Mesoporous Silica Composites for Drug Release Systems. Microporous Mesoporous Mater. 2020, 294, 109881.
9. Dryzek, E.; Juszyńska-Gałązka, E.; Zaleski, R.; Jasińska, B.; Eusébio, M. E. S., Free Volume in the Smectic-E Phase of 4-Hexyl-4'isothiocyanatobiphenyl Studied by Positron Annihilation Spectroscopy. Physical Review E 2020, 101, 022705.
10. Zaleski, R.; Stefaniak, W.; Gorgol, M.; Gil, M.; Krasucka, P.; Goworek, J., Swelling of Cross-Linked Polymers in Silicones of Different Molecular Weight. Polymer 2019, 179, 121611.
11. Zaleski, R.; Gorgol, M.; Goworek, J.; Kierys, A.; Pietrow, M.; Zgardzińska, B., Positron Study of Adsorption of N-Heptane in Sba-3. Adsorption 2019, 25, 881-887.
12. Goworek, J.; Stefaniak, W.; Zaleski, R., Study of Swollen Crosslinked Polymers by Low-Temperature Adsorption of Nitrogen Using Blocking Siloxane Agent. Polym. Test. 2019, 79, 105990.
13. Maciejewska, M.; Zaleski, R.; Gorgol, M., Investigation of Porous Structure Polymeric Materials Based on 1-Vinyl-2-Pyrrolidone. Polym. Adv. Technol. 2018, 29, 2042-2049.
14. Korcyl, G., et al., Evaluation of Single-Chip, Real-Time Tomographic Data Processing on Fpga Soc Devices. IEEE Transactions on Medical Imaging 2018, 37, 2526-2535.
15. Kierys, A.; Borowski, P.; Zaleski, R.; Barczak, M., Formation of Polysilsesquioxane Network by Vapor-Phase Method in the Spatially Limited System of Cross-Linked Polymer Pores. Polymer 2018, 141, 202-212.
16. Bartoš, J.; Zgardzinska, B.; Švajdlenková, H.; Lukešová, M.; Zaleski, R., Esr and Pals Detection of the Dynamic Crossover in the Supercooled Liquid States of Short and Medium-Sized N-Alkanes. Chem. Phys. Lett. 2018, 700, 102-107.
17. Zaleski, R.; Krasucka, P.; Skrzypiec, K.; Goworek, J., Macro- and Nanoscopic Studies of Porous Polymer Swelling. Macromolecules 2017, 50, 5080-5089.
18. Zaleski, R.; Kierys, A.; Gorgol, M., Positron Insight into Evolution of Pore Volume and Penetration of the Polymer Network by N-Heptane Molecules in Mesoporous Xad4. Phys. Chem. Chem. Phys. 2017, 19, 10009-10019.
19. Zaleski, R.; Gorgol, M.; Kierys, A., Positron Annihilation Lifetime Spectroscopy Application to in Situ Monitoring of N-Heptane Sorption in Mesopores. Defect and Diffusion Forum 2017, 373, 288-294.
20. Wiertel, M.; Zaleski, K.; Gorgol, M.; Skoczylas, A.; Zaleski, R., Impact of Impulse Shot Peening Parameters on Properties of Stainless Steel Surface. Acta Phys. Polon. A 2017, 132, 1611-1615.
21. Sienkiewicz, A.; Kierys, A.; Gorgol, M.; Zaleski, R., Porosity of Silica Monoliths with Tailored Mesopores of Ink-Bottle Shape Determined by Nitrogen Adsorption and Positron Annihilation Lifetime Spectroscopy. Acta Phys. Polon. A 2017, 132, 1568-1571.
22. Maheshwari, P.; Gorgol, M.; Kierys, A.; Zaleski, R., Positron Probing of Liquid-Free Volume to Investigate Adsorption–Desorption Behavior of Water in Two-Dimensional Mesoporous Sba-3. J. Phys. Chem. C 2017, 121, 17251-17262.
23. Krasucka, P.; Zaleski, R.; Skrzypiec, K.; Goworek, J., Amberlite Xad Copolymers as an Environment for Silica Deposition. Microporous Mesoporous Mater. 2017, 237, 210-221.
24. Kowalewska, A.; Nowacka, M.; Wlodarska, M.; Zgardzinska, B.; Zaleski, R.; Oszajca, M.; Krajenta, J.; Kazmierski, S., Solid-State Dynamics and Single-Crystal to Single-Crystal Structural Transformations in Octakis(3-Chloropropyl)Octasilsesquioxane and Octavinyloctasilsesquioxane. Phys. Chem. Chem. Phys. 2017, 19, 27516-27529.
25. Gorgol, M.; Krasucka, P.; Goworek, J.; Zaleski, R., Controlled Porosity of Mcm-41 Obtained by Partial Blocking of Pores by Silicon Oil. Acta Phys. Polon. A 2017, 132, 1559-1563.
26. Gorgol, M.; Kierys, A.; Zaleski, R., Positron Lifetime Annihilation Study of Porous Composites and Silicas Synthesized Using Polymer Templates. Defect and Diffusion Forum 2017, 373, 280-283.
27. Zaleski, R.; Gorgol, M.; Kierys, A.; Goworek, J., Positron Porosimetry Study of Mesoporous Polymer–Silica Composites. Adsorption 2016, 22, 745-754.
28. Jasińska, B., et al., Determination of the 3γ Fraction from Positron Annihilation in Mesoporous Materials for Symmetry Violation Experiment with J-Pet Scanner. Acta Physica Polonica B 2016, 47, 453-460.
29. Zaleski, R.; Zaleski, K.; Gorgol, M.; Wiertel, M., Positron Annihilation Study of Aluminum, Titanium, and Iron Alloys Surface after Shot Peening. Applied Physics A 2015, 120, 551-559.
30. Zaleski, R.; Zaleski, K.; Gorgol, M., Positron Annihilation Lifetime Spectroscopy Study of Roller Burnished Magnesium Alloy. Nukleonika 2015, 60, 789-794.
31. Zaleski, R.; Maciejewska, M.; Puzio, M., Mechanical Stability of Porous Copolymers by Positron Annihilation Lifetime Spectroscopy. J. Phys. Chem. C 2015, 119, 11636-11645.
32. Zaleski, R.; Gorgol, M.; Błazewicz, A.; Kierys, A.; Goworek, J., N-Heptane Adsorption and Desorption in Mesoporous Materials. Journal of Physics: Conference Series 2015, 618, 012040.
33. Zaleski, R., Principles of Positron Porosimetry. Nukleonika 2015, 60, 795-800.
34. Lukešová, M.; Zgardzinska, B.; Švajdlenková, H.; Zaleski, R.; Charmas, B.; Bartoš, J., Spin Probe Dynamics in Relation to Free Volume in Crystalline Organics from Esr and Pals: N-Tridecane. Physica B 2015, 476, 100-108.
35. Zgardzińska, B.; Goworek, T.; Śniegocka, M.; Zaleski, R.; Dlubek, G., Gas Pressure Induced Porosity of Cytop Polymer. A Positron Study. Acta Phys. Polon. A 2014, 125, 782-784.
36. Zaleski, R.; Dolecki, W.; Goworek, J., In Situ Monitoring of Adsorption and Desorption of N-Heptane on Porous Silica by Positron Annihilation Lifetime Spectroscopy. Mater. Sci. Forum 2013, 733, 207-211.
37. Zaleski, R.; Błażewicz, A.; Kierys, A., Ortho-Positronium Migration in Mesopores of Mcm-41, Msf and Sba-3. Nukleonika 2013, 58, 233−238.
38. Zaleski, R., Ortho-Positronium Localization in Pores of Vycor Glass at Low Temperature. Journal of Physics: Conference Series 2013, 443, 012062.
39. Kierys, A.; Zaleski, R.; Tydda, M.; Goworek, J., What Can Positronium Tell Us About Adsorption? Adsorption 2013, 19, 529-535.
40. Kierys, A.; Zaleski, R.; Gorgol, M.; Goworek, J., N-Heptane Adsorption in Periodic Mesoporous Silica by in Situ Positron Annihilation Lifetime Spectroscopy. Microporous Mesoporous Mater. 2013, 179, 104-110.
41. Kierys, A.; Zaleski, R.; Buda, W.; Pikus, S.; Dziadosz, M.; Goworek, J., Nanostructured Polymer–Titanium Composites and Titanium Oxide through Polymer Swelling in Titania Precursor. Colloid Polym. Sci. 2013, 291, 1463-1470.
42. Gorgol, M.; Zaleski, R.; Kierys, A., Gas Filling of Sba-15 Silica Micropores Probed by Positron Annihilation Lifetime Spectroscopy (Pals). Nukleonika 2013, 58, 227−231.
43. Gorgol, M.; Maciejewska, M.; Jasińska, B.; Zaleski, R., Testing of the Extended Tao-Eldrup Model on Porous Vp-Dvb Copolymers. Mater. Sci. Forum 2013, 733, 24-28.
44. Dryzek, E.; Juszyńska, E.; Zaleski, R.; Jasińska, B.; Gorgol, M.; Massalska-Arodź, M., Positron Annihilation Studies of 4-N-Butyl-4′-Isothiocyanato-1,1′-Biphenyl. Physical Review E 2013, 88, 022504.
45. Bartoš, J.; Švajdlenková, H.; Zaleski, R.; Edelmann, M.; Lukešová, M., Spin Probe Dynamics in Relation to Free Volume in Crystalline Organics by Means of Esr and Pals: N-Hexadecane. Physica B 2013, 430, 99-105.
46. Zaleski, R.; Kierys, A.; Dziadosz, M.; Goworek, J.; Halasz, I., Positron Annihilation and N2 Adsorption for Nanopore Determination in Silica-Polymer Composites. RSC Advances 2012, 2, 3729-3734.
47. Zaleski, R.; Gorgol, M.; Zaleski, K., Positron Annihilation Lifetime Study of Steel Surface Modification by Shot Peening. Physics Procedia 2012, 35, 92-97.
48. Zaleski, R.; Dolecki, W.; Kierys, A.; Goworek, J., N-Heptane Adsorption and Desorption on Porous Silica Observed by Positron Annihilation Lifetime Spectroscopy. Microporous Mesoporous Mater. 2012, 154, 142-147.
49. Gorgol, M.; Tydda, M.; Kierys, A.; Zaleski, R., Composition of Pore Surface Investigated by Positron Annihilation Lifetime Spectroscopy. Microporous Mesoporous Mater. 2012, 163, 276-281.
50. Zgardzinska, B.; Goworek, T.; Zaleski, R.; Wawryszczuk, J., Positronium in Normal Alkanes. Selected Problems. Mater. Sci. Forum 2011, 666, 93-98.
51. Zaleski, R.; Sokół, M., Influence of Atmospheric Gases Present in the Pores of Mcm-41 on Lifetime of Ortho-Positronium. Mater. Sci. Forum 2011, 666, 123-128.
52. Zaleski, R.; Kierys, A.; Grochowicz, M.; Dziadosz, M.; Goworek, J., Synthesis and Characterization of Nanostructural Polymer-Silica Composite: Positron Annihilation Lifetime Spectroscopy Study. J. Colloid Interface Sci. 2011, 358, 268-276.
53. Kierys, A.; Zaleski, R.; Grochowicz, M.; Goworek, J., Thinning Down of Polymer Matrix by Entrapping Silica Nanoparticles. Colloid & Polymer Science 2011, 289, 751-758.
54. Goworek, T.; Pietrow, M.; Wawryszczuk, J.; Zaleski, R.; Zgardzińska, B., Intermolecular Free Volumes and Intramolecular Defects in N -Alkanes. Journal of Physics: Conference Series 2011, 265, 012023.
55. Zaleski, R.; Wawryszczuk, J.; Sobczak, K., Positron Annihilation Lifetime Spectroscopy Study of Thermal Processing and Rehydration of Dry Leek (Allium Porrum L.). Nukleonika 2010, 55, 73-78.
56. Zaleski, R.; Stefaniak, W.; Maciejewska, M.; Goworek, J., Porosity Evolution of Vp-Dvb/Mcm-41 Nanocomposite. J. Colloid Interface Sci. 2010, 343, 134-140.
57. Surowiec, Z.; Wiertel, M.; Zaleski, R.; Budzyński, M.; Goworek, J., Positron Annihilation Study of Iron Oxide Nanoparticles in Mesoporous Silicate Mcm-41 Template. Nukleonika 2010, 55, 91-96.
58. Goworek, J.; Zaleski, R.; Buda, W.; Kierys, A., Free Volumes Evolution During Desorption of N-Heptane from Silica with Regular Pore Geometry. Positron Annihilation Study. Appl. Surf. Sci. 2010, 256, 5316-5322.
59. Zaleski, R.; Stefaniak, W.; Maciejewska, M.; Goworek, J., Porosity of Polymer Materials by Various Techniques. J. Porous Mat. 2009, 16, 691-698.
60. Zaleski, R.; Goworek, J.; Maciejewska, M., Positronium Lifetime in Porous Vp–Dvb Copolymer. Phys. Status Solidi C 2009, 6, 2445-2447.
61. Zaleski, R.; Goworek, J.; Borówka, A.; Kierys, A.; Wiśniewski, M., Positron Porosimetry Study of Mechanical Stability of Ordered Mesoporous Materials. In Characterisation of Porous Solids Viii: Proceedings of the 8th International Symposium on the Characterisation of Porous Solids, Kaskel, S.; Llewellyn, P.; Rodriguez-Reinoso, F.; Seaton, N. A., Eds. The Royal Society of Chemistry: 2009; pp 400-407.
62. Zaleski, R.; Goworek, J., N-Nonadecane Embedded in Mesopores. Mater. Sci. Forum 2009, 607, 180-182.
63. Kansy, J.; Zaleski, R., Positronium Thermalization Process in Nanoporous Materials and Its Influence on the Shape of Pals Spectrum. Mater. Sci. Forum 2009, 607, 39-41.
64. Goworek, T.; Pietrow, M.; Zaleski, R.; Zgardzinska, B., Positronium in High Temperature Phases of Long-Chain Even N-Alkanes. Chem. Phys. 2009, 355, 123-129.
65. Goworek, J.; Zaleski, R.; Borówka, A.; Kusak, R.; Kierys, A., Pore Structure and Morphology of Mesoporous Silicate and Aluminosilicate Molecular Sieves by Nitrogen Adsorption, Afm and Pals. In Characterisation of Porous Solids Viii: Proceedings of the 8th International Symposium on the Characterisation of Porous Solids, Kaskel, S.; Llewellyn, P.; Rodriguez-Reinoso, F.; Seaton, N. A., Eds. The Royal Society of Chemistry: 2009; pp 303-310.
66. Zaleski, R.; Zgardzinska, B.; Pietrow, M.; Goworek, T., Positron Irradiation Effects in Simple Organic Solids. Radiat. Phys. Chem. 2008, 77, 1306-1310.
67. Zaleski, R.; Wawryszczuk, J., Positron Porosimetry Studies of Template Removal from as-Synthesized Mcm-41 Silica. Acta Phys. Polon. A 2008, 113, 1543-1550.
68. Zgardzinska, B.; Goworek, T.; Zaleski, R.; Wawryszczuk, J., Positron Annihilation and Phase Transitions in Argon Intercalated N-Nonadecane. Chem. Phys. 2007, 335, 1-6.
69. Zaleski, R.; Wawryszczuk, J.; Goworek, T., Pick-Off Models in the Studies of Mesoporous Silica Mcm-41. Comparison of Various Methods of the Pal Spectra Analysis. Radiat. Phys. Chem. 2007, 76, 243-247.
70. Zaleski, R.; Goworek, J.; Kierys, A., Temperature Dependence of Positronium Lifetime in Cylindrical Pores. Phys. Status Solidi C 2007, 4, 3814-3818.
71. Zaleski, R.; Goworek, J.; Borówka, A., Positronium Annihilation Study of as-Synthesized Mcm-41 Silica under Pressure. In Stud. Surf. Sci. Catal., P.L. Llewellyn; Rodriquez-Reinoso, F.; Rouqerol, J.; Seaton, N., Eds. Elsevier: 2007; Vol. Volume 160, pp 471-478.
72. Pietrow, M.; Zaleski, R.; Goworek, T., Positronium in 1-Tridecene. Chem. Phys. 2007, 342, 85-89.
73. Jasińska, B.; Zaleski, R.; Śniegocka, M.; Reisfeld, R.; Zigansky, E., Testing Ete Model, Temperature Dependences of Pals Data. Phys. Status Solidi C 2007, 4, 3985-3988.
74. Goworek, T.; Wawryszczuk, J.; Zaleski, R.; Zgardzinska, B., Positronium in Solid Phases of Long-Chain Paraffins. Radiat. Phys. Chem. 2007, 76, 185-188.
75. Goworek, J.; Borówka, A.; Zaleski, R., Migration of Siloxane Polymer in Ordered Mesoporous Mcm-41 Silica Channels. In Stud. Surf. Sci. Catal., P.L. Llewellyn; Rodriquez-Reinoso, F.; Rouqerol, J.; Seaton, N., Eds. Elsevier: 2007; Vol. 160, pp 431-437.
76. Zaleski, R.; Zaleski, K., Positron Annihilation in Steel Burnished by Vibratory Shot Peening. Acta Phys. Polon. A 2006, 110, 739-746.
77. Zaleski, R., Measurement and Analysis of the Positron Annihilation Lifetime Spectra for Mesoporous Silica. Acta Phys. Polon. A 2006, 110, 729-738.
78. Sniegocka, M.; Jasinska, B.; Goworek, T.; Zaleski, R., Temperature Dependence of O-Ps Lifetime in Some Porous Media. Deviations from Ete Model. Chem. Phys. Lett. 2006, 430, 351-354.
79. Zaleski, R.; Wawryszczuk, J.; Goworek, T., Positronium Formation in Solid Long-Chain Alkanes. Acta Phys. Polon. A 2005, 107, 635-641.
80. Śniegocka, M.; Jasińska, B.; Wawryszczuk, J.; Zaleski, R.; Deryło-Marczewska, A.; Skrzypek, I., Testing the Extended Tao-Eldrup Model. Silica Gels Produced with Polymer Template. Acta Phys. Polon. A 2005, 107, 868.
81. Jasinska, B.; Wawryszczuk, J.; Zaleski, R., Three-Quantum Annihilation in Porous Vycor Glass. Acta Phys. Polon. A 2005, 107, 821-825.
82. Goworek, T.; Wawryszczuk, J.; Zaleski, R., Pressure Effects in Ortho-Positronium Annihilation. Acta Phys. Polon. A 2005, 107, 608-614.
83. Goworek, T.; Wawryszczuk, J.; Zaleski, R., Negative Compressibility of Free Volumes in Argon Intercalated N-Nonadecane. Chem. Phys. Lett. 2005, 402, 367-369.
84. Goworek, J.; Borowka, A.; Zaleski, R.; Kusak, R., Template Transformations in Preparation of Mcm-41 Silica. J. Therm. Anal. Calorim. 2005, 79, 555-560.
85. Zgardzinska, B.; Zaleski, R.; Wawryszczuk, J.; Goworek, T., Positronium in Solid Phases of N-Pentacosane. Phys. Lett. A 2004, 333, 341-346.
86. Zaleski, R.; Borowka, A., Positron Study of Mcm-41 Sieve Formation. Mater. Sci. Forum 2004, 445-6, 364-366.
87. Goworek, T.; Zaleski, R.; Wawryszczuk, J., Odd-Even Differences in O-Ps Properties in Some Solid Long-Chain Alkanes. Mater. Sci. Forum 2004, 445-6, 298-300.
88. Goworek, T.; Zaleski, R.; Wawryszczuk, J., Observation of Intramolecular Defects in N-Alkanes C25h52-C29h60 by the Positron Annihilation Method. Chem. Phys. Lett. 2004, 394, 90-92.
89. Goworek, T.; Wawryszczuk, J.; Zaleski, R., Positronium Inhibition in Naphthalene at High Pressures. Chem. Phys. Lett. 2004, 387, 433-435.
90. Djourelov, N.; Goworek, T.; Kondo, K.; Suzuki, T.; Zaleski, R., Enhancement of Positronium Formation by Trapped Electrons in Solid N-Nonadecane. Light Bleaching Effect. Phys. Lett. A 2004, 323, 165-168.
