Positron Annihilation Group, Charles University in Prague

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New:

PLRF 19 code for fitting of positron lifetime - binaries are available for download.

Publications

Positron annihilation: techniques & instrumentation

• M. Vlček, J. Čížek, I. Procházka, Software for analysis of waveforms acquired by digital Doppler broadening spectrometer J. Phys. Conf. Series 443, 012087 (2013)
• J. Čížek, M. Vlček, F. Lukáč, O. Melikhova, I. Procházka, W. Anwand, M. Butterling, A. Wagner, G. Brauer Low background digital coincidence spectrometer – a tool for investigation of positron annihilation in flight Defect and Diffusion Forum 331, 53-73 (2012)
• J. Čížek, M. Vlček, I. Procházka, Investigation of positron annihilation-in-flight using a digital coincidence Doppler broadening spectrometer New Journal of Physics 14, 035005 (2012)
• J. Čížek, M. Vlček, I. Procházka, Digital setup for Doppler broadening spectroscopy Journal of Physics: Conference Series 262, 012014 (2011)
• J. Čížek. M. Vlček, I. Procházka, Digital spectrometer for coincidence measurement of Doppler broadening of positron annihilation radiation Nuclear Instruments and Methods in Physics Research Section A 623, 982-994 (2010)
• F. Bečvář, J. Čížek, I. Procházka, Performance of a High-resolution digital positron-lifetime spectrometer Acta Physica Polonica A 113, 1279-1284 (2008)
• F. Bečvář, J. Čížek, I. Procházka, High-resolution positron lifetime measurement using ultra fast digitizers Acqiris DC211 Applied Surface Science 255, 11-114 (2008)
• F. Bečvář, J. Čížek, I. Procházka, J. Janotová, The asset of ultra-fast digitizers for positron-lifetime spectroscopy Nuclear Instruments and Methods in Physics Research A 539 , 372-385 (2005)

Mg-alloys

• O. Melikhova, J. Čížek, P. Hruška, M. Vlach, B. Smola, I. Stulíková, I. Procházka, Diffusion Processes in Early Stages of Precipitation in Mg-Gd and Mg-Tb Alloys Defect and Diffusion Forum 333, 51-60 (2013)
• J. Čížek, B. Smola, I. Stulíková, P. Hruška, M. Vlach, M. Vlček, O. Melikhova, I. Procházka Natural aging of Mg–Gd and Mg–Tb alloys Phys. Status. Solidi A 209, 2135-2141 (2012)
• M. Janeček, J. Čížek, J. Guniza, J. Vrátná Microstructure and dislocation density evolutions in MgAlZn alloy processed by severe plastic deformation J. Mater. Sci. 47, 7860-7869 (2012)
• M. Vlček, J. Čížek, B. Smola, I. Stulíková, I. Procházka, R. Kužel, A. Jäger, P. Lejček, Defects in Mg-Zn-Y-Nd alloys with icosahedral phase Physics Procedia 35, 45-50 (2012).
• O. Melikhova, J. Čížek, P. Hruška, M. Vlček, I. Procházka, M. Vlach, I. Stulíková, B. Smola, N. Žaludová, R.K. Islamgaliev Influence of deformation on precipitation kinetics in Mg-Tb alloy Defect and Diffusion Forum 322 , 151-162 (2012)
• J. Čížek, M. Vlček, B. Smola, I. Stulíková, I. Procházka, R. Kužel, A. Jäger, P. Lejček, Vacancy-like defects associated with icosahedral phase in Mg–Y–Nd–Zr alloys modified by the addition of Zn Scripta Materialia 66 , 630-633 (2012)
• B. Smola, I. Stulíková, J. Černá, J. Čížek and M. Vlach, Phase transformations in MgTbNd alloy Phys. Status Solidi A 208, 2741-2748 (2011)
• J. Čížek, I. Procházka, B. Smola, I. Stulíková, V. Očenášek, R.K. Islamgaliev, O. Kulyasova, Microstructure Development and Ductility of Ultra-Fine Grained Mg-Gd Alloy Prepared by High Pressure Torsion Materials Science Forum 633-634, 353-363 (2010)
• J. Müller, M. Janeček, S. Yi, J. Čížek, L. Wagner, Effect of equal channel angular pressing on microstructure, texture, and high-cycle fatigue performance of wrought magnesium alloys International Journal of Materials Research 100, 838-842 (2009)
• J. Čížek, I. Procházka, B. Smola, I. Stulíková, M. Vlach, V. Očenášek, O.B. Kulyasova, R.K. Islamgaliev, Precipitation effects in utra-fine-grained Mg-RE alloys International Journal of Materials Research 100, 780-784 (2009)
• B. Smola, I. Stulíková, J. Čížek, J. Černá, M. Vlach, Characterization of Phases Development in Isochronally Annealed Mg-Tb-Nd Alloy Kovove Materialy 46, 263-267 (2008)
• J. Čížek, I. Procházka, B. Smola, I. Stulíková, M. Vlach, R.K. Islamgaliev, O. Kulyasova, Microstructure development and precipitation effects in ultra fine grained Mg-3Tb-2Nd alloy prepared by high pressure torsion Materials Science Forum 584-586, 591-596 (2008)
• J. Čížek, I. Procházka, B. Smola, I. Stulíková, V. Očenášek, R.K. Islamgaliev, O. Kulyasova, The enhanced kinetics of precipitation effects in ultra fine grained Mg alloys prepared by high pressure torsion Defect Diffusion Forum 273-276, 75-80 (2008)
• J. Čížek,, I. Procházka, B. Smola, I. Stulíková, R. Kužel, Z. Matěj, V. Cherkaska, R.K. Islamgaliev, O. Kulyasova, Microstructure Investigations of Ultra-Fine Grained Mg-Gd Alloys Prepared by High Pressure Torsion Physica status solidi (c) 4, 3591-3594 (2007)
• J. Čížek, I. Procházka, B. Smola, I. Stulíková, V. Očenášek, Influence of Deformation on Precipitation Process in Mg-15wt.%Gd Alloy Journal of Alloys and Compounds 430, 92-96 (2007)
• J. Čížek, I. Procházka, B. Smola, I. Stulíková, R. Kužel, Z. Matěj, V. Cherkaska, R.K. Islamgaliev, O. Kulyasova, Microstructure and Thermal Stability of Ultra Fine Grained Mg-Based Alloys Prepared by High Pressure Torsion Materials Science and Engineering A 462, 121-126 (2007)
• J. Čížek, I. Procházka, B. Smola, I. Stulíková, M. Vlach, R.K. Islamgaliev, O. Kulyasova, Microstructure and Thermal Stability of Ultra Fine Grained Mg-4Tb-2Nd Alloy Prepared by High Pressure Torsion Magnesium 2006, proceedings of the 7th International Conference on Magnesium Alloys and Their Applications ed. K.U. Kainer, Wiley-VCH, Weiheim, Germany (2007), ISBN: 3-527-31764-3, p. 517-522.
• J. Čížek, I. Procházka, B. Smola, I. Stulíková, R. Kužel, Z. Matěj, V. Cherkaska, R.K. Islamgaliev, O. Kulyasova, Defects in Ultra-Fine Grained Mg-Based Alloys Deformed by High-Pressure Torsion Nano06 ed. Pavel Šandera, VUTIUM Brno (2006), ISBN: 3-527-31764-3, p. 44-49.
• J. Čížek, I. Procházka, B. Smola, I. Stulíková, R. Kužel, Z. Matěj, V. Cherkaska, R.K. Islamgaliev, O. Kulyasova, Defects in Ultra-Fine Grained Mg-Based Alloys Deformed by High-Pressure Torsion Fracture of Nano and Engineering Materials and Structures, Proceedings of the 16th European Conference of Fracture (ECF-16), ed. E.E. Gdoutos, Springer, Dordrecht, Netherlands (2006), ISBN: 1402049714, p. 867-868.
• J. Čížek, I. Procházka, B. Smola, I. Stulíková, R. Kužel, Z. Matěj, V. Cherkaska, Thermal Development of Microstructure and Precipitation Effects in Mg-10wt.%Gd Alloy Physica status solidi (a) 203, 466-477 (2006)
• J. Čížek, I. Procházka, B. Smola, I. Stulíková, R. Kužel, Z. Matěj, V. Cherkaska, R.K. Islamgaliev, O. Kulyasova, Microstructure and thermal stability of ultra fine grained Mg-based alloys prepared by high-pressure torsion Nanomaterials by Severe Plastic Deformation, Materials Science Forum 503-504, 149-154 (2006)
• J. Čížek, I. Procházka, B. Smola, I. Stulíková, R. Kužel, Z. Matěj, V. Cherkaska, R.K. Islamgaliev, O. Kulyasova, Ultra Fine Grained Mg-Based Alloys Prepared by High-Pressure Torsion: Positron-Lifetime Study in: Nano05 ed. Pavel Šandera, VUT Brno (2005), ISBN 80-214-3085-0, p. 253-258.
• J. Čížek, I. Procházka, B. Smola, I. Stulíková, R. Kužel, Z. Matěj, V. Cherkaska , R.K. Islamgaliev, O. Kulyasova, Defects in ultra-fine grained Mg and Mg-based alloys prepared by high pressure torsion studied by positron annihilation Acta Physica Polonica A 107 , 738 (2005)
• J. Čížek, I. Procházka, B. Smola, I. Stulíková, R. Kužel, Z. Matěj, V. Cherkaska, R.K. Islamgaliev, O. Kulyasova, Microstructure and thermal stability of ultra fine grained Mg and Mg-Gd alloys prepared by high-pressure torsion Materials Science Forum 482 , 183-185 (2005)

Al-alloys

• O. Melikhova, J. Kuriplach, J. Čížek, I. Procházka, Vacancy-solute complexes in aluminum Applied Surface Science 252, 3285-3289 (2006)
• J. Čížek, O. Melikhova, I. Procházka, J. Kuriplach, I. Stulíková, P. Vostrý, J. Faltus, Annealing process in quenched Al-Sn alloy: A positron annihilation study Physical Review B 71, 064106 (2005)

Hydrogen in metals

• J. Čížek, O. Melikhova, M. Vlček, F. Lukáč, M. Vlach, I. Procházka, W. Anwand, G. Brauer, A. Mücklich, S. Wagner, H. Uchida, A. Pundt, Hydrogen-induced microstructural changes of Pd films Int. J. Hydrogen Energy 38, 12115-12125 (2013)
• C. Borchers, T.I. Khomenko, A.V. Leonov, O.S. Morozova, J. Čížek, I. Procházka, A.S. Shkvarin, E.Z.Kurmaev and A. Moewes, Boron Enhanced Synthesis of Ti-hydride Nanoparticles by Milling Ti/B in Hydrogen Flow Current Nanoscience 7, 757-769 (2011)
• J. Čížek, I. Procházka, O.S. Morozova, C. Borchers, A. Pundt, Size distributions of nanoscopic holes in Ti/h-BN and Ti/B nanocomposites J. Appl. Phys. 107, 043509 (2010)
• J. Čížek, I. Procházka, S. Daniš, G. Brauer, W. Anwand, R. Gemma, E. Nikitin, R. Kirchheim, A. Pundt, R.K. Islamgaliev, Hydrogen-vacancy complexes in electron irradiated niobium Phys. Rev. B 79, 054108 (2009)
• J. Čížek, I. Procházka, G. Brauer, W. Anwand, R. Gemma, E. Nikitin, R. Kirchheim, A. Pundt, Hydrogen interaction with vacancies in electron irradiated niobium Acta Physica Polonica A 113, 1293-1299 (2008)
• J. Čížek, I. Procházka, S. Daniš, M. Vlach, N. Žaludová, G. Brauer, W. Anwand, A. Mücklich, R. Gemma, E. Nikitin, R. Kirchheim, A. Pundt, Defect studies of hydrogen loaded Nb: bulk metals and thin films Physica status solidi (c) 4, 3485-3488 (2007)
• J. Čížek, I. Procházka, S. Daniš, M. Cieslar, G. Brauer, W. Anwand, R. Kirchheim, A. Pundt, Hydrogen-induced defects in Niobium Journal of Alloys and Compounds 446-447, 479-483 (2007)
• J. Čížek, I. Procházka, R. Kužel, F. Bečvář, M. Cieslar, G. Brauer, W. Anwand, R. Kirchheim, A. Pundt, Hydrogen-induced defects in niobium studied by positron annihilation spectroscopy Journal of Alloys and Compounds 404-406, 580-583 (2005)
• J. Čížek, I. Procházka, F. Bečvář, R. Kužel, M. Cieslar, G. Brauer, W. Anwand, R. Kirchheim, A. Pundt Hydrogen-induced defects in bulk niobium Physical Review B 69, 224106 (2004).
• J. Čížek, I. Procházka, R. Kužel, F. Bečvář, M. Cieslar, G. Brauer, W. Anwand, R. Kirchheim, A. Pundt Hydrogen-induced defects in niobium studied by positron annihilation Materials Science Forum 445-446 , 60 (2004)

Nanocrystalline & ultra fine grained materials, severe plastic deformation

• J. Čížek, O. Melikhova, Z. Barnovská, I. Procházka, R. K. Islamgaliev, Vacancy clusters in ultra fine grained metals prepared by severe plastic deformation J. Phys. Conf. Ser. 443 0120088 (2013)
• Y. Z. Chen, G. Csiszár, J. Čížek, S. Westerkamp, C. Borchers, T. Ungár, S. Goto, F. Liu, R. Kirchheim, Defects in Carbon-Rich Ferrite of Cold-Drawn Pearlitic Steel Wires Metallurgical and Materials Transactions A DOI: 10.1007/s11661-013-1723-x (2013)
• M. Janeček, J. Stráský, J. Čížek, P. Harcuba, K. Václavová, V.V. Polyakova, I.P. Semenova, Mechanical Properties and Dislocation Structure Evolution in Ti6Al7Nb Alloy Processed by High Pressure Torsion Metallurgical and Materials Transactions A DOI: 10.1007/s11661-013-1763-2 (2013)
• J. Vrátná, M. Janeček, J. Čížek, D.J. Lee, E.Y. Yoon, H.S. Kim, Mechanical properties and microstructure evolution in ultrafine grained AZ31 alloy processed by severe plastic deformation J. Mater. Sci. 48, 4705-4712 (2013)
• I. Procházka, J. Čížek, O. Melikhova, Z. Barnovská, M. Janeček, O. Srba, R. Kužel, S.V. Dobatkin, Microstructure development and lateral distribution of defects in ultra-fine grained copper prepared by high-pressure torsion Physics Procedia 35, 4-9 (2012)
• I. Procházka, J. Čížek, O. Melikhova, Z. Barnovská, M. Janeček, O. Srba, R. Kužel, S. Dobatkin, Ultra-fine grained copper prepared by high-pressure torsion: a positron annihilation study of microstructure evolution and lateral distribution of defects NANOCON 2011, Tanger, Ostrava (2011) ISBN 978-80-87294-23-9, p. 231-237
• J. Čížek, O. Melikhova, M. Janeček, O. Srba, Z. Barnovská, I. Procházka and S. Dobatkin, Homogeneity of ultrafine-grained copper deformed by high-pressure torsion characterized by positron annihilation and microhardness Scripta Materialia 65, 171-174 (2011)
• J. Čížek, M. Janeček, O. Srba, R. Kužel, Z. Barnovská, I. Procházka and S. Dobatkin, Evolution of defects in copper deformed by high-pressure torsion Acta Materialia 59, 2322-2329 (2011)
• Y.Z. Chen, G. Csiszár, J. Čížek, C. Borchers, T. Ungár, S. Goto and R. Kirchheim, On the formation of vacancies in a-ferrite of a heavily cold-drawn pearlitic steel wire Scripta Materialia 64, 390-393 (2011)
• A. Michalcová, D. Vojtěch, J. Čížek, I. Procházka, J. Drahokoupil, P. Novák, Microstructure characterization of rapidly solidified Al-Fe-Cr-Ce alloy by positron annihilation spectroscopy Journal of Alloys and Compounds 509, 3211-3218 (2011)
• A. Michalcová, D. Vojtěch, P. Novák, I. Procházka, J. Čížek, J. Drahokoupil, K. Wienerová, K. Saksl, P. Rokicki, Z. Spotz, Structure of Rapidly Solidified Al-Fe-Cr-Ce Alloy Key Engineering Materials 465, 199-202 (2011)
• R. Kužel, M. Janeček. Z. Matěj, J. Čížek, M. Dopita, O. Srba, Microstructure of equal-channel angular pressed Cu and Cu-Zr samples studied by different methods Metallurgical and Materials Transactions A 41A , 1174-1190 (2010)
• I. Procházka, J. Čížek, G. Brauer, W. Anwand, Slow-positron implantation spectroscopy in nanoscience NANOCON 2009 Tanger, Ostrava (2009) ISBN 978-80-87294-12-3, p. 70-78
• I. Procházka, J. Čížek, R. Kužel, Z. Matěj, M. Cieslar, G. Brauer, W. Anwand, Rinat K. Islamgaliev, Application of positron annihilation spectroscopy for characterization and microstructural studies of utra-fine grained cubic metals NANOCON 2009 Tanger, Ostrava (2009) ISBN 978-80-87294-12-3, p. 63-69
• Z. Matěj, R. Kužel, M. Dopita, M. Janeček, J. Čížek, T. Brunátová, XRD profile analysis of ECAP Cu and Cu+Zr samples International Journal of Materials Research 100, 800-883 (2009)
• M. Janeček, J. Čížek, M. Dopita, R. Král, O,. Srba, Mechanical properties and microstructure development of ultrafine-grained Cu processed by ECAP Materials Science Forum 584-586, 440-445 (2008)
• O. Melikhova, J. Kuriplach, J. Čížek, I. Procházka, M. Hou, S. Pisov, E. Zhurkin, Simulation of positron annihilation response to mechanical deformation of nanostructured AgCo Acta Physica Polonica A 113, 1455-1464 (2008)
• J. Čížek, I. Procházka, M. Cieslar, R.K. Islamgaliev, O. Kulyasova, Influence of ceramic nanoparticles on thermal stability of ultra fine grained copper Acta Physica Polonica A 113, 1285-1292 (2008)
• O. Melikhova, J. Kuriplach, I. Procházka, J. Čížek, M. Hou, E. Zhurkin, S. Pisov, Simulation of positron annihilation response to mechanical deformation of nanostructured Ni3Al Applied Surface Science 255, 157-159 (2008)
• J. Čížek, I. Procházka, M. Cieslar, R. Kužel, Z. Matěj, V. Cherkaska, R.K. Islamgaliev, O. Kulyasova, Influence of ceramic nanoparticles on grain growth in ultra fine grained copper prepared by high pressure torsion Physica status solidi (c) 4, 3587-3590 (2007)
• M. Slámová, P. Homola, P. Sláma, J. Čížek, I. Procházka, M. Cieslar, Microstructure, texture and property changes of high purity aluminium during accumulative roll bonding and conventional rolling Nanomaterials by Severe Plastic Deformation, Materials Science Forum 503-504, 711-716 (2006)
• P. Homola, M. Slámová, M. Karlík, J. Čížek, I. Procházka, Effect of the temperature of accumulative roll bonding on the microstructure and Properties of Twin-Roll Cast AA8006 Alloy Nanomaterials by Severe Plastic Deformation, Materials Science Forum 503-504, 281-286 (2006)
• J. Čížek, I. Procházka, M. Cieslar, O. Melikhova, R. Kužel, Z. Matěj, V. Cherkaska, R.K. Islamgaliev, O. Kulyasova, Thermal Stability of Ultra Fine Grained Cu with Al2O3 Nanoparticles Prepared by High Pressure Torsion in: Nano05 ed. Pavel Šandera, VUT Brno (2005), ISBN 80-214-3085-0, p. 259-264.
• J. Čížek, I. Procházka, R. Kužel, Z. Matěj, V. Cherkaska, M. Cieslar, B. Smola , I. Stulíková, G. Brauer, W. Anwand, R.K. Islamgaliev, O. Kulyasova, Ultra fine-grained metals prepared by severe plastic deformation: A positron annihilation study Acta Physica Polonica A 107 , 745 (2005)
• J. Čížek, I. Procházka, B. Smola, I. Stulíková, R. Kužel, M. Cieslar, Z. Matěj, V. Cherkaska, G. Brauer, W. Anwand, R.K. Islamgaliev, O. Kulyasova, Positron annihilation studies of microstructure of ultra fine grained metals prepared by severe plastic deformation Materials Science Forum 482 , 207-210 (2005)
• M. Slámová, P. Homola, M. Karlík, J. Čížek, I. Procházka, M. Cieslar: Accumulative roll bonding of continuously cast Al sheets , Proceedings of the 25th Risø International Symposium on Materials Science: Evolution of Deformation Microstructures in 3D , eds. C. Gundlach, K. Haldrup, N. Hansen, X. Huang, D. Juul Jensen, T. Leffers, Z.J. Li. S.F. Nielsen, W. Pantleon, J.A. Wert, G. Winther, Risø National Laboratory, Roskilde, Denmark (2004), p. 521-526.
• M. Slámová, P. Homola, M. Karlík, M. Cieslar, J. Čížek Ultra-fine grained aluminium sheets prepared by accumulative roll bonding , in: Nano04 , ed. Pavel Šandera, VUT Brno, Praha (2004), ISBN: 80-214-3308-6, p. 73-78.
• J. Čížek, I. Procházka, R. Kužel, Z. Matěj, V. Cherkaska, M. Cieslar, B. Smola, I. Stulíková, G. Brauer, W. Anwand, R.K. Islamgaliev, O. Kulyasova Ultra fine-grained cubic metals prepared by severe plastic deformation: a positron annihilation study in: Nano04 , ed. Pavel Šandera, VUT Brno, Praha (2004), ISBN: 80-214-3308-6, p. 79-84.
• J. Čížek, I. Procházka, B. Smola, I. Stulíková, R. Kužel, Z. Matěj, V. Cherkaska , R.K. Islamgaliev, O. Kulyasova Defects in Ultra-fine grained Mg and Mg-based alloys prepared by high pressure torsion in: Nano04 , ed. Pavel Šandera, VUT Brno, Praha (2004), ISBN: 80-214-3308-6, p. 67-72.
• R. Kužel, Z. Matěj, V. Cherkaska, J. Pešička, J. Čížek, I. Procházka, R.K. Islamgaliev Structural investigations of submicrocrystalline metals obtained by high-pressure torsion deformation Journal of Alloys and Compounds 378, 242 (2004).
• J. Kuriplach, F. Bečvář, J. Čížek, I. Procházka Theoretical study of positron annihilation in nanoclusters in Al-Cu system , Materials Science Forum 445-446 , 132 (2004)
• J. Čížek, I. Procházka, R. Kužel, M. Cieslar, I. Stulíková, R.K. Islamgaliev Dependence of thermal stability of ultra fine grained metals on grain size, Proceeding of the 2nd International Conference on Nanomaterials by Severe Plastic Deformation Fundamentals-Processing-Applications - NanoSPD2, ed. M.J. Zehetbauer, R.Z. Valiev, J. Wiley VCH Weinheim (2004), ISBN: 9783527306596, p. 630
• J. Čížek, I. Procházka, G. Brauer, W. Anwand, R. Kužel, M. Cieslar, R.K. Islamgaliev Ultra fine grained copper prepared by high pressure torsion: spatial distribution of defects by positron annihilation spectroscopy Proceeding of the 2nd International Conference on “Nanomaterials by Severe Plastic Deformation Fundamentals-Processing-Applications – NanoSPD2 ed. M.J. Zehetbauer, R.Z. Valiev, J., Wiley VCH Weinheim (2004), ISBN: 9783527306596, p. 407

Intermetallics

• F. Lukáč, J. Čížek, I. Procházka, Y. Jirásková, D. Janičkovič, W. Anwand, G. Brauer, Vacancy-induced hardening in Fe-Al alloys J. Phys. Conf. Ser. 443, 012025 (2013)
• Y. Jirásková, J. Bursík, J. Čížek, D. Jančík, Solid-state reactions during mechanical milling of Fe–Al under nitrogen atmosphere J. Alloys Comp. 568, 106-111 (2013)
• J.Čížek, F. Lukáč, I. Procházka, R. Kužel, Y. Jirásková, D. Janičkovič, W. Anwand, G. Brauer, Characterization of quenched-in vacancies in Fe–Al alloys Physica B 407, 2659-2664 (2012)
• J. Čížek, F. Lukáč, O. Melikhova, I. Procházka and R. Kužel, Thermal vacancies in Fe3Al studied by positron annihilation Acta Materialia 59, 4068-4078 (2011)
• O. Melikhova, J. Čížek, J. Kuriplach, I. Procházka, F. Lukáč, M. Cieslar, W. Anwand and G. Brauer, Quenched-in vacancies in Fe3Al based alloys: a positron annihilation study Journal of Physics: Conference Series 265, 012016 (2011)
• O. Melikhova, J. Čížek, F. Lukáč, I. Procházka, J. Kuriplach, W. Anwand and G. Brauer, Quenched-in vacancies in Fe-Al alloys Journal of Physics: Conference Series 262, 012039 (2011)
• O. Melikhova, J. Čížek, J. Kuriplach, I. Procházka, M. Cieslar, W. Anwand, G. Brauer, Positron annihilation study of vacancies in Fe-Al based alloys Intermetallics 18, 292-298 (2010)
• O. Melikhova, J. Čížek I. Procházka, J. Kuriplach, F. Lukáč, M. Cieslar, G. Brauer, W. Anwand, Quenched-in vacancies in Fe-Al alloys Physica status solidi c 6, 2367-2369 (2009)
• I.S. Golovin, S.V. Divinski, J. Čížek, I. Procházka, F. Stein, Study of atom diffusivity and related relaxation phenomena in Fe3Al-(Ti,Nb)-C alloys Acta Materialia 53, 2581-2594 (2005)

Oxides

• O. Melikhova, J. Čížek, I. Procházka, W. Anwand, T. E. Konstantinova, I.A. Danilenko, Diffusion Processes in the Sintering of Zirconia-Based Nanomaterials Journal of Nano Research 26 25-31 (2013)
• O. Melikhova, J. Čížek, I. Procházka, R. Kužel, M. Novotný, J. Bulíř, J. Lančok, W. Anwand, G. Brauer, J. Connolly, E. McCarthy, S. Krishnamurthy, J.-P. Mosnier, Defect studies of ZnO films prepared by pulsed laser deposition on various substrates J. Phys. Conf. Series 443 012018 (2013)
• I. Procházka, J. Čížek, O. Melikhova, T. E. Konstantinova, I. A. Danilenko, I. A. Yashchishyn, W. Anwand, G. Brauer, Positron annihilation studies of zirconia doped with metal cations of different valence J. Phys. Conf. Series 443 012026 (2013)
• O. Melikhova, J. Čížek, F. Lukáč, M. Vlček, M. Novotný, J. Bulíř, J. Lančok, W. Anwand, G. Brauer, J. Connolly, E. McCarthy, S. Krishnamurthy, J.-P. Mosnier, Hydrogen absorption in thin ZnO films prepared by pulsed laser deposition J. Alloys Comp. 580 S40-S43 (2013)
• J. Čížek, F. Lukáč, M. Vlček, O. Melikhova, F. Traeger, D. Rogalla, H.-W. Becker, Hydrogen absorption and diffusivity in ZnO single crystals J. Alloys Comp. 580 S51-S54 (2013)
• J. Čížek, F. Lukáč, M. Vlček, M. Vlach, I. Procházka, F. Traeger, D. Rogalla, H.-W. Becker, W. Anwand, G. Brauer, S. Wagner, H. Uchida, A. Pundt, C. Bähtz, Anisotropy of Hydrogen Diffusivity in ZnO Defect and Diffusion Forum 333, 39-49 (2013)
• O. Melikhova, J. Čížek, I. Procházka, T.E. Konstantinova,I.A. Yashchishyn, Inhibition of positronium formation in yttria stabilized zirconia nanopowders modified by addition of chromia Mater. Sci. Forum 733, 249-253 (2013)
• R. Kužel, J. Čížek, M. Novotný On X-ray diffraction study of microstructure of ZnO thin nanocrystalline films with strong preferred grain orientation Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science 44, 45-57 (2013)
• F. Lukáč, J. Čížek, M. Vlček, I. Procházka, M. Vlach, W. Anwand, G. Brauer, F. Traeger, D. Rogalla, H.-W. Becker, S. Wagner, H. Uchida, C. Bähtz Hydrogen interaction with defects in ZnO Mater. Sci. Forum 733, 228-231 (2013)
• I. Procházka, J. Čížek, O. Melikhova, W. Anwand, G. Brauer, T.E. Konstantinova, I.A. Danilenko Effect of Sintering on Defects in Yttria Stabilised Zirconia Mater. Sci. Forum 733, 236-239 (2013)
• J. Kuriplach, O. Melikhova, J. Čížek, I. Procházka, G. Brauer, W. Anwand Positron annihilation at planar defects in oxides Mater. Sci. Forum 733, 240-244 (2013)
• I. Procházka, J. Čížek, O. Melikhova, J. Kuriplach, W. Anwand, G. Brauer, T.E. Konstantinova, I.A. Danilenko, I.A. Yashchishyn Defect Behaviour in Yttria-Stabilised Zirconia Nanomaterials Studied by Positron Annihilation Techniques Defect and Diffusion Forum 331, 181-199 (2012)
• J. Čížek, I. Procházka, J. Kuriplach, W. Anwand, G. Brauer, T.E. Cowan, D. Grambole, H. Schmidt and W. Skorupa Characterization of H-plasma treated ZnO crystals by positron annihilation and atomic force microscopy Defect and Diffusion Forum 331, 113-125 (2012)
• M. Novotný, J. Čížek, R. Kužel, J. Bulíř, J. Lančok, J. Connolly, E. McCarthy, S. Krishnamurthy, J.-P. Mosnier, W. Anwand and G. Brauer Structural characterization of ZnO thin films grown on various substrates by pulsed laser deposition J. Phys. D: Appl. Phys. 45, 225101 (2012)
• O. Melikhova, J. Čížek, I. Procházka, T.E. Konstantinova, I.A. Danilenko, Defect studies of yttria stabilized zirconia with chromia additive Physics Procedia 35, 134-139 (2012)
• F. Lukáč, J. Čížek, M. Vlček, I. Procházka, W. Anwand, G. Brauer, F. Traeger, D. Rogalla, H.-W. Becker, Hydrogen-induced plastic deformation in ZnO Physics Procedia 35, 128-133 (2012)
• J. Čížek, F. Lukáč, M. Vlček, I. Procházka, F. Traeger, D. Rogalla, H.-W. Becker, Diffusivity of Hydrogen in ZnO Single Crystal , Defect and Diffusion Forum 326-328, 459-464 (2012)
• W. Anwand, G. Brauer, R. I. Grynszpan, T. E. Cowan, D. Schulz, D. Klimm, J. Čížek, J. Kuriplach, I. Procházka, C. C. Ling, A. B. Djurišić, V. Klemm, G. Schreiber, and D. Rafaja, Characterization of microstructural defects in melt grown ZnO single crystals J. Appl. Phys. 106, 063516 (2011)
• I. Procházka, J. Čížek, O. Melikhova, J. Kuriplach, T.E. Konstantinova, and I.A. Danilenko, Positron annihilation study of yttria-stabilized zirconia nanopowders containing Cr2O3 additive Journal of Physics: Conference Series 265, 012020 (2011)
• I. Procházka, J. Čížek, W. Anwand, G. Brauer, D. Grambole and H. Schmidt, Hydrogen-induced surface modifications in ZnO single crystals Journal of Physics: Conference Series 262, 012050 (2011)
• O. Melikhova, J. Čížek, J. Kuriplach, I. Procházka, W. Anwand, G. Brauer and D. Grambole, Characterization of point defects in yttria stabilized zirconia single crystals Journal of Physics: Conference Series 262, 012038 (2011)
• I. Procházka, J. Čížek, O. Melikhova, J. Kuriplach, T.E. Konstantinova, I.A. Danilenko, Microstructure of Yttria-stabilized Zirconia nanomaterials studied by positron annihilation spectroscopy Proceedings of 2nd International conference NANOCON 2010, CD ROM, Tanger, Ostrava (2010) ISBN 978-80-87294-18-5, p. A49
• W. Anwand, G. Brauer, T.E. Grambole, W. Skorupa, J. Čížek, J. Kuriplach, I. Procházka, W. Egger, P. Sperr, Structural characterization of H plasma-doped ZnO single crystals by positron annihilation spectroscopies Phys. Stat. Sol. (a) 207, 2415-2425 (2010)
• O. Melikhova, J. Kuriplach, J. Čížek, I. Procházka, G. Brauer, W. Anwand, Investigation of interaction of hydrogen with defects in zirconia Mater. Res. Soc. Symp. Proc. Vol. 1216, 1216-W07-10 (2010)
• J. Kuriplach, G. Brauer, O. Melikhova, J. Čížek, I. Procházka, W. Anwand, Divacancy-Hydrogen Complexes in Zinc Oxide Mater. Res. Soc. Symp. Proc. Vol. 1201, 1201-H02-03 (2010)
• O. Melikhova, J. Kuriplach, J. Čížek. I. Procházka, G. Brauer, W. Anwand, Investigation of hydrogen interaction with defects in zirconia Journal of Physics: Conference Series 225, 012035 (2010)
• J. Čížek, O. Melikhova, I. Procházka, J. Kuriplach, R. Kužel, G. Brauer, W. Anwand, T.E. Konstantinova, I.A. Danilenko, Defect studies of nanocrystalline zirconia powders and sintered ceramics Phys. Rev. B 81, 024116 (2010)
• O. Melikhova, J. Kuriplach, J. Čížek, I. Procházka, G. Brauer, Structure and Positron Characteristics of Basic Open Volume Defects in Zirconia Materials Science Forum 607, 125-127 (2009)
• J. Kuriplach, G. Brauer, O. Melikhova, J. Čížek, I. Procházka, W. Anwand, W. Skorupa, Vacancy-hydrogen Complexes in ZnO Materials Science Forum 607, 117-121 (2009)
• J. Čížek O. Melikhova, J. Kuriplach, I. Procházka, T.E. Konstantinova, I.A. Danilenko, Sintering of yttria-stabilized zirconia nanopowders studied by positron annihilation spectroscopy Physica status solidi c 6, 2582-2584 (2009)
• G. Brauer, W. Anwand, D. Grambole, J. Grenzer, W. Skorupa, J. Čížek, J. Kuriplach, I. Procházka, C. C. Ling C.K. So, D. Schulz, D. Klimm, Identification of Zn-vacancy-hydrogen complexes in ZnO single crystals: A challenge to positron annihilation spectroscopy Phys. Rev. B 79, 115212 (2009)
• J. Čížek, N. Žaludová, M. Vlach, S. Daniš, J. Kuriplach, I. Procházka, G. Brauer, W. Anwand, D. Grambole, W. Skorupa, R. Gemma, R. Kirchheim, A. Pundt, Defect studies of ZnO single crystals electrochemically doped with hydrogen J. Appl. Phys. 103, 053508 (2008)
• I. Procházka, J. Čížek, J. Kuriplach, O. Melikhova, T.E. Konstantinova, I.A. Danilenko, Positron lifetimes in zirconia-based nanomaterials Acta Physica Polonica A 113, 1495-1499 (2008)
• I. Procházka, J. Čížek, J. Kuriplach, O. Melikhova, T.E. Konstantinova, I.A. Danilenko, Positron annihilation study on zirconia-based nanomaterials Acta Metallurgica Slovaca 13, 167-172 (2007)
• J. Čížek, O. Melikhova, J. Kuriplach, I. Procházka, T.E. Konstantinova, I.A. Danilenko, Defects in yttria-stabilised zirconia: a positron lifetime study Physica status solidi (c) 4, 3847-3850 (2007)
• O. Melikhova, J. Kuriplach, J. Čížek, I. Procházka, W. Anwand, G. Brauer, T.E. Konstantinova, I.A. Danilenko, Positron annihilation in three zirconia polymorphs Physica status solidi (c) 4, 3831-3834 (2007)
• G. Brauer, W. Anwand, W. Skorupa, J. Kuriplach, O. Melikhova, J. Čížek, I. Procházka, H. von Wenckstern, M. Brandt, M. Lorenz, M. Grundmann, Defects in N+ ion-implanted ZnO single crystals studied by positron annihilation and Hall effect Physica status solidi (c) 4, 3642-3645 (2007)
• G. Brauer, W. Anwand, W. Skorupa, J. Kuriplach, O. Melikhova, J. Čížek, I. Procházka, C. Moisson, H. von Wenckstern, H. Schmidt, M. Lorenz, M. Grundmann, Comparative characterization of differently grown ZnO single crystals by positron annihilation and Hall effect Superlattices and Microstructures 42, 259-264 (2007)
• G. Brauer, J. Kuriplach, J. Čížek, W. Anwand, O. Melikhova, I. Procházka, W. Skorupa, Positron lifetimes in ZnO single crystals Vacuum 81, 1314-1317 (2007)
• J. Čížek, O. Melikhova, J. Kuriplach, I. Procházka, T.E. Konstantinova, I.A. Danilenko, Positron Annihilation in Zirconia-Based Nanomaterials Nano06 ed. Pavel Šandera, VUTIUM Brno (2006), ISBN: 3-527-31764-3, p. 123-128.

Thin films

• R. Gemma, P. Dobroň, J. Čížek, A. Pundt, Stress release and defect occurrence in V_1-xFe_x films upon hydrogen loading: H-induced superabundant vacancies, movement and creation of dislocations Acta Materiala 67, 308-323 (2013)
• J. Čížek, O. Melikhova, M. Vlček, F. Lukáč, M. Vlach, P. Dobroň, I. Procházka, W. Anwand, G. Brauer, S. Wagner, H. Uchida, R. Gemma, A. Pundt, Hydrogen Interaction with Defects in Nanocrystalline, Polycrystalline and Epitaxial Pd Films Journal of Nano Research 26, 123-133 (2013)
• J. Čížek, M. Vlček, F. Lukáč, M. Vlach, I. Procházka, G. Brauer, W. Anwand, A. Mücklich, S. Wagner, H. Uchida, A. Pundt Structural studies of nanocrystalline thin Pd films electrochemically doped with hydrogen Defect and Diffusion Forum 331, 137-147 (2012)
• S. Wagner, H. Uchida, V. Burlaka, M. Vlach, M. Vlček, F. Lukáč, J. Čížek, C. Baehtz, A. Bell and A. Pundt, Achieving coherent phase transition in palladium-hydrogen thin films Scripta Materialia 64, 978-981 (2011)
• J. Čížek I. Procházka, O. Melikhova, M. Vlach, N. Žaludová, G. Brauer, W. Anwand, W. Egger, P. Sperr, Ch. Hugenschmidt, R. Gemma, A. Pundt, R. Kirchheim, Hydrogen-induced defects in Pd films Physica status solidi c 6, 2364-2366 (2009)
• J Čížek, I. Procházka, M. Vlach, N. Žaludová, P. Dobroň, F. Chmelík, G. Brauer, W. Anwand, A. Mücklich, E. Nikitin, R. Gemma, A. Pundt, R. Kirchheim, Multi-Scale Analysis of Hydrogen-Induced Buckling in Pd Films Procedia Engineering 1, 99-103 (2009)
• J. Čížek, I. Procházka, M. Vlach1, N. Žaludová, S. Daniš, G. Brauer, W. Anwand, A. Mücklich, R. Gemma, R. Kirchheim, A. Pundt, Defect studies of hydrogen loaded nanocrystalline Gd films Applied Surface Science 255, 251-253 (2008)
• J. Čížek, I. Procházka, M. Vlach, N. Žaludová, S. Daniš, P. Dobroň, F. Chmelík, G. Brauer, W. Anwand, A. Mücklich, E. Nikitin, R. Gemma, R. Kirchheim, A. Pundt, Hydrogen-induced buckling of Pd films studied by positron annihilation Applied Surface Science 255, 241-244 (2008)
• J. Čížek, I. Procházka, S. Daniš, O. Melikhová, M. Vlach, N. Žaludová, G. Brauer, W. Anwand, A. Mücklich, R. Gemma, E. Nikitin, R. Kirchheim, A. Pundt, Positron annihilation study of hydrogen trapping at open-volume defects: Comparison of nanocrystalline and epitaxial Nb thin films Journal of Alloys and Compounds 446-447, 484-488 (2007)
• J. Čížek, I. Procházka, G. Brauer, W. Anwand, A. Mücklich, R. Kirchheim, A. Pundt, Hydrogen Trapping at Defects in Nanocrystalline Nb Films Nano06 ed. Pavel Šandera, VUTIUM Brno (2006), ISBN: 3-527-31764-3, p. 206-209.
• J. Čížek, O. Melikhova, I. Procházka, G. Brauer, W. Anwand, A. Mücklich, R. Kirchheim, A. Pundt, Defects in nanocrystalline Nb films: effect of sputtering temperature Applied Surface Science 252, 3245-3251 (2006)
• J. Čížek, I. Procházka, G. Brauer, W. Anwand, A. Mücklich, R. Kirchheim, A. Pundt, C. Bähtz, M. Knapp, Defect studies of hydrogen-loaded thin Nb films Applied Surface Science 252, 3237-3244 (2006)
• J. Čížek, I. Procházka, G. Brauer, W. Anwand, A. Mücklich, R. Kirchheim, A. Pundt, C. Bähtz, M. Knapp, Study of hydrogen-defect interaction in thin Nb film on Si substrate using positron annihilation Materials Structure in Chemistry, Biology, Physics, and Technology 13, 82-89 (2006)

Radiation damage

• J. Čížek, I. Procházka, J. Kočík, The clustering of Cu atoms in neutron irradiated reactor pressure vessel steels studied by positron annihilation Defect Diffusion Forum 273-276, 81-86 (2008)
• V. Vlček, J. Čížek. J. Drahokoupil, J. Valenta, N. Miyajima, R. Skála, Defects in CaF₂ caused by long-time irradiation and their response to annealing Philosophical Magazine 90, 2749-2769 (2010)
• J. Čížek, F. Bečvář, I. Procházka, J. Kocik 2D-coincidence Doppler broadening measurements on neutron-irradiated VVER-type reactor pressure vessel steels, Materials Science Forum 445-446 , 63 (2004)

Polymers

• J. Čížek, Z. Barnovská, M. Šourek, I. Procházka Effect of Water on the Size Distribution of Free-Volume Holes in Nafion Membrane Mater. Sci. Forum 733, 49-52 (2013)
• I. Procházka, J. Čížek, V. Motyčka, Positronium yields in amorphous, cross-linked and conductive polystyrene Radiation Physics and Chemistry 76, 180-184 (2007)

Other materials

• G.Brauer, W. Anwand, F. Eichhorn, W.Skorupa , C. Hofer , C. Teichert, J. Kuriplach, J. Čížek, I. Procházka, P.G. Coleman, T. Nozawa, A. Kohyama, Characterization of a SiC/SiC composite by X-ray diffraction, atomic force microscopy and positron spectroscopies Applied Surface Science 252, 3342-3351 (2006)

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