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Mobility and Training

Mobility and Training in the third Project year

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During the third Project year, according to the WP1 Mobility and Training Work Plan, the following trainings were organized:

  • six-months training (click here for Report):
    • S. Ognjanović and B. Mojić from FTUNS and E. Csehova and M. Kachlik from IMRSAS were trained at UDE;
  • two-months trainings (click here for Report):
    • B. Mojić, V. Simendić, N. Vukić from FTUNS was trained at IMRSAS;
    • M. Kachlik from DCPBUT was trained at UDE;
  • one-month trainings (click here for Report):
    • M. Kachlik from DCPBUT was trained at IMSNCSR;
    • V. Puchy from DCPBUT was trained at DCPBUT;
    • S. Ognjanović from FTUNS was trained at UDE;
    • I. Ristić from FTUNS was trained at IMCASCR;
    • D. Drdlik from DCPBUT was trained at IMRSAS;
    • A. Duszová from IMRSAS was trained at UDE;
    • B. Mojić from FTUNS was trained at IMSNCSR;
    • V. Simendić/N. Vukić from FTUNS was trained at IMRSAS.

In addition, several visits for senior researcher were organized:

  • one-month visits (click here for Report):
    • Dr. M. Špírková from IMCASCR visited FTUNS;
    • P. Tatarko from IMRSAS visited FTUNS;
  • two-weeks visits (click here for Report):
    • Dr. K. Častkova, Prof. K. Maca and Prof. M. Trunec from DCPBUT visited FTUNS;
    • E. Csehova from IMRSAS visited FTUNS;
  • one-week visits (click here for Report):
    • Prof. J. Budinski-Simendić from FTUNS visited IMCASCR;
    • Prof. V. Srdić from FTUNS visited IMSNCSR;
    • Prof. J. Budinski-Simendić from FTUNS visited IMRSAS;
    • Prof. K. Maca from DCPBUT visited IMCASCR;
    • Dr. F. Lofaj from IMRSAS visited IMSNCSR;
    • Dr. M. Čubová Urbanova from IMCASCR visited FTUNS;
    • Dr. J. Dusza from IMRSAS visited UDE;
    • Dr. P. Hvizdos from IMRSAS visited FTUNS;
    • Dr. K. Giannakopoulos visited UDE;
    • Dr. K. Giannakopoulos visited DCPBUT;
    • Dr. M. Špírková from IMCASCR visited IMSNCSR;
    • Dr. J. Dusza from IMRSAS visited DCPBUT;
    • Dr. M. Kašiarova from IMRSAS visited FTUNS;
    • Dr. A. Duszova from IMRSAS visited IMCASCR;
    • Prof. K. Maca from DCPBUT visited IMSNCSR;
    • Prof. K. Maca and Prof. M. Trunec from DCPBUT visited UDE.
 

Mobility and Training in the second Project year

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During the second Project year, according to the WP1 Mobility and Training Work Plan, the following trainings were organized:

  • six-months training in UDE for young researcher I. Stijepović from FTUNS;
  • two-months training in IMSNCSR, for two young scientists P. Tatarko and M. Kašiarova (one month each) from IMRSAS.
  • five one-month trainings:

-    D. Avramov from FTUNS was trained at DCPBUT;

-    O. Bera from FTUNS was trained at DCPBUT;

-    V. Pouchly from DCPBUT was trained at FTUNS;

-    A. Duszová from IMRSAS was trained at IMSNCSR;

-    E. Bartoničkova from DCPBUT was trained at IMSNCSR.

In addition, seven visits for senior researcher were organized:

  • one month visit - Dr. M. Špirkova from IMCASCR visited FTUNS
  • six one-week visits:

-    Dr. V. Jan from DCPBUT visited IMRSAS;

-    Mr. R. Djenadić from UDE visited FTUNS;

-    Dr. M. Špirkova from IMCASCR visited IMRSAS;

-    Prof. K. Maca from DCPBUT visited FTUNS;

-    Dr. M. Špirkova from IMCASCR visited DCPBUT;

-    Prof. V. Srdić from IMCASCR visited UDE;

-    Dr. F. Lofaj from IMRSAS visited researchers from IMSNCSR.

 

Six-months trainings

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I. Stijepović at UDE

One training of six-months for young researcher from FTUNS at UDE was divided into three trainings (two months each). The reason was to use possibility for continuous and combined training of young scientist. I. Stijepović did the first two months training from 2nd September to 31st October 2009, and the second one from 1st March to 30th April 2010. The third two-months training will be done in September/October 2010. It is important to underline that the same amount of money, allocated for the six-months training will be used to cover all costs for these three two-months trainings.

The first two-months – I. Stijepović at UDE

Ivan Stijepović (Ph.D. student) from Department of Materials Engineering at the Faculty of Technology, University of Novi Sad, Serbia (DEMATEN) visited the University Duisburg-Essen, Duisburg, Germany (UDE), for two-month training and education (from September 2 to October 31, 2009) within the Mobility and training activity (WP 1).

During his stay at the University, he worked in the laboratory for Nanoparticle Process Technology under Prof. Dr. Markus Winterer as his supervisor. The training included synthesis and characterisation of lanthanum-gallate (LaGaO3) based nanoparticles. Method used for synthesis was chemical vapour synthesis (CVS) from solid acetilacetonate precursors. Given method consists of three major stages: precursor evaporation, reaction in gas phase and particles collection. In the first step, flash evaporation by CO2 laser was used for evaporation of precursors and carrier gas was helium. He was trained how to use the solid precursor delivery system, which has high efficiency compared to classical heat induced sublimation. Regarding this system, specific feature is laser wavelength of 10.6 µm which is in the infrared region where majority of organometallic compounds have wide absorption bands. Being able to absorb high energy irradiation from the laser, solid organometallic precursors evaporate at higher rate and efficiency. He adopted very successfully all necessary skills for using this complicated system.

Mr. Stijepovic also learned a lot about reactions in gas phase in CVS process. Most of it include reactions between organometallic compounds and oxygen in hot wall reactor at low pressure to produce nanoparticles.

Heating of the reactor was performed in two ways, with tube furnaces (800 and 1100°C) and by radio frequency with graphite as a susceptor (1300°C). After reaction, nanoparticles were collected in thermophoretic collector. Thermal gradient was maintained constant between quartz lamps positioned in the middle of collector and water cooled mantle. Properties of the powders, e.g. crystallinity, stoichiometry and yield, were controlled by changing reactor temperature and precursor ratio. Temperatures used are 800, 1100 and 1300°C with different Ga and La precursor ratios (1:1, 2:1 and 5:1). Ivan Stijepović was also trained to characterise nanopowders using X-ray diffractometer (Pananalytical X'per Pro), Rietveld refinement of XRD data (MAUD software) and low temperature nitrogen adsorption (Quantachrome Autosorbe-1). The emphasis was on structural characterisation and phase composition of as-obtained powders. Prof. Winterer, M.Sc. Ružica Đenadić and M.Sc. Moazzam Ali taught Ivan Stijepović how to use MAUD software package and trained him in applying Rietveld refinement method to nanocrystalline materials. He had also a chance to visit other laboratories at the Department of Mechanical and Process Engineering and to work on their equipment for characterisation, such as Fourier transformed infrared spectroscopy (FTIR) and thermal analysis (DTA/TG).



The second two-months – I. Stijepović at UDE

Ivan Stijepović (Ph.D. student) from Department of Materials Engineering at the Faculty of Technology, University of Novi Sad, Serbia (DEMATEN) visited the University Duisburg-Essen, Duisburg, Germany (UDE), for two-month training and education (from March 1 to April 30, 2010) within the Mobility and training activity (WP 1).

This was his second visit to the University and during this stay he continued his training in the laboratory for Nanoparticle Process Technology (NPPT) under Prof. Dr. Markus Winterer as his supervisor. He had a chance to work again on modular system for chemical vapour synthesis (CVS) from solid acetilacetonate precursors which is available at the NPPT. Previous training enabled him to work independently on CVS and to prepare and conduct experiments by himself. In accordance with his first visit, he continued with synthesis of lanthanum-gallate nanopowders and its characterisation. The emphasis was on controlling and changing experimental conditions in order to get higher yield and powders with different degree of crystallinity. Beside experimental work, Ivan Stijepović was introduced with basic theory behind processes in gas phase and their kinetics and thermodynamics. Prof. Winterer, with his expertise, helped him a lot to learn and understand numerical methods for modelling of CVS and to develop his knowledge in this area. Ivan Stijepović made a few time-temperature models for simpler systems, such as TiO2, as part of his training. This will be of high significance in his further scientific development.

Ivan Stijepović also continued his training in advance characterisation methods for nanopowders. He used several methods, such as X-ray diffractometry (Pananalytical X'per Pro) and low temperature nitrogen adsorption (Quantachrome Autosorbe-1). He visited laboratory for electron microscopy at the University and worked on transmission electron microscope (Techai F20 Philips) equipped with energy dispersive X-ray spectroscopy (EDX). This method is widely used in the field of nanosciences and will bring huge benefits for Ivan Stijepović in his future research activities in nanomaterials.


 

Two-months trainings

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M. Kašiarova/P. Tatarko at IMSNCSR

One training of two-months for young researcher from IMRSAS at IMSNCSR was divided into two trainings (one month each). The reason was to use possibility to train not only one, but two young researchers on the beginning of the RP-DEMATEN project and prepare them for the future activities. It is important to add that both researcher were at IMSNSR in the same time, what additionally make the training easyer for organizers and Ph.D. students. It is important to underline that the same amount of money, allocated for the two-months training for one researcher, will be used to cover all costs for two researchers (J. Kašiarova and P. Tatarko).

The first month – J. Kašiarova at IMSNCSR

Monika Kašiarová (junior researcher) from Institute of Materials Research, Slovak Academy of Sciences, Košice, Slovak Republic visited the Institute of Materials Science, National Center for Scientific Research „Demokritos“, Athens, Greece, for one-month training and education (from 6th of April to 30th of April, 2010) within the Mobility and training activity (WP 1).

Dr. Evagelia Moshopoulou coordinated all activities and training which took place at Demokritos. Her experiences in the field of the structural characterization of materials were very usefull for the evaluation of diffraction patterns of Si3N4-SiC micro-nanocomposites sintered with various rare earth oxide additives. X-ray analysis had been done at Laboratory of Crystallography where all crystalline grain boundary phases presented in the studied materials were established.

The main part of training was organized and done by Dr. Konstantinos P. Giannakopoulos who is a member of the Electron Microscopy Lab. Monika Kašiarová was trained for TEM preparation of ceramic thin foils for transmission electron microscopy, especially for ion beam etching apparatus. Prepared samples were observed in TEM (Philips CM20). M. Kašiarová had chance to be trained also in magnetometry using SQUID.

Dr. Konstantinos P. Giannakopoulos showed her also equipments of others laboratories at the Institute, so she had global view of research activities at Institute of Materials Science.


The second month – P. Tatarko at IMSNCSR

Peter Tatarko (PhD student) from Institute of Materials Research, Slovak Academy of Sciences, Kosice, Slovak republic visited the Institute of Materials Science, National Center for Scientific Research „Demokritos“, Athens, Greece, for one-month training and education (from 6th of April to 30th of April, 2010) within the Mobility and training activity (WP 1).

Dr. Evagelia Moshopoulou was his supervisor and she organized all his activities and training at the Institute. Peter Tatarko also cooperated with senior researcher Dr. Konstantinos P. Giannakopoulos who operates a Transmission Electron Microscopy (TEM) at the Institute.

His one-month stay was mainly focused on the training in preparation of ceramic samples for observations by transmission electron microscopy. Peter Tatarko used an ion-milling machine at the Institute for quite a long time to prepare his sample which he was interesting to observe by TEM. The samples were silicon nitride-silicon carbide micro/nano-composites sintered with different rare-earth oxide sintering additives.

Except TEM training and observations, Peter Tatarko also measured elastic modulus of his samples by ultrasonic method at the Institute. He also estimated the secondary grain-boundaries phases of the specimens by X-ray analysis method.

During his stay, P. Tatarko had chance to work with some new computer programs for structural and functional characterization, and also to get in touch with some rare issues of journals in the Institute library.

Dr. Moshopoulou showed him several others laboratories at the Institute, so student saw what else the scientific groups from the Institute are interested for.

 

One-month trainings

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D. Avramov at DCPBUT

Dunja Avramov (M.Sc. student) from the Faculty of Technology, University of Novi Sad, Serbia (FTUNS) visited Department of Ceramics and Polymers, Brno University of Technology, Czech Republic (DCPBUT) for one month training stay (from 13th September to 11th October 2009) within the Mobility and training activity (WP 1).

Dunja Avramov had an opportunity to be educated and trained under supervision of Prof. Dr. Karel Maca. The main goal of her training and education was related to preparation and characterization of high density alumina, using different procedures for powder preparation and methods of powder sintering. She was trained in preparation of samples, green bodies for sintering using Cold Isostatic Pressing (Autoclave Engineering, Inc., USA), and in their subsequent sintering using different procedures (single, two and three step procedures) in high temperature dilatometer (L70/1700, Linseis, Germany) and high temperature furnace (K1700/1, Heraeus, Germany). She was also trained in sample preparation using devices for cutting and polishing of samples (cutter Accutom-50, Struers, Germany and polisher TegraPol-25, Struers, Germany, respectively). Along with that, she was trained to apply various methods of characterization and interpretation of obtained results, such are: determination of surface area and pore volume using BET method (ChemBet 3000, Quantachrome, USA) and mercury porosimetry (Pascal 440, Porotec, Germany) and scanning electron microscopy (Philips XL30). In addition, Dunja Avramov spent some time working with the modified Archimedes' method for measuring the density of samples. Average grain size of sintered samples was estimated from SEM micrographs using Linear Intercept Method (standard EN 623-3).



O. Bera at DCPBUT

Oskar Bera (Ph.D. student) from the Faculty of Technology, University of Novi Sad, Serbia (FTUNS) visited Department of Ceramics and Polymers, Brno University of Technology, Czech Republic (DCPBUT) for one month training (from 13th September to 11th October 2009) within the Mobility and training activity (WP 1). This was his second training at DCPBUT, but this time costs were covered from other project. Due to very good results and nice experiences after the first two months training in spring 2009 cooperation with Dr. Trunac has extended. During the second study visit O. Bera was additionally trained for preparation of polystyrene-fullerene and polystyrene-carbon black polymer nanocomposites and characterization of prepared materials. This activity is good indicator of the level of collaboration and success of the RP-DEMATEN project in developing closer cooperation among their members.


A. Duszová at IMCASCR

Annamária Duszová (Ph.D. student) from the Institute of Materials Research of Slovak Academy of Science, Košice, Slovakia (IMRSAS) visited the Institute of Macromolecular Chemistry, Academy of Sciences, v.v.i., Prague, Czech Republic (IMCASCR), for one-month training and education (from 15th February to 13th March 2010) within the Mobility and training activity (WP 1).

The main goal of the visit was training for preparation of different polymer and polymer + CNF (carbon nanofiber) nanocomposites. During her stay at the Institute, she worked at the Department of Polymer Networks and Mechanical Properties, supervised by Dr. Milena Špírková. During her one-month training and education stay at the Institute she has learned how to prepare different polymer based materials, especially polymer + CNF nanocomposites with different volume fraction of CNFs. The main compounds were:

  • Carbon nanofiber – MF-C150
  • macrodiol polybutadiene diol; end-capped by primary OH groups (LBH-P (MW=2000g/mol; “D2000”))
  • 1,4-butandiol – chain extender
  • HMDI - 1,6-hexamethylene diisocyanate
  • MTBE - methyl-terc.butyl ether (solvent) dissolvent
  • DBTDL , dibutylcindilaurate (catalyst) dissolved in oil Marcol (macrodiol compatibility).


During the stay Annamária Duszová learned a lot about different processing and characterization methods for investigation in polymer research. She was also trained how to characterize the processed materials by different techniques (spectroscopy techniques, atomic force microscope, etc.). During the stay she used the Institute library to improve her knowledge in the field of polymeric and organic synthesis. She also enjoined the possibility for access to scientific papers via the Institute web server, for study of achievement in the nanocomposite field. In addition, the processed samples will be characterized and tested also at the IMRSAS in Kosice and comparative analysis will help her to better understand the relationship between processing, structure and properties.


V. Pouchly at FTUNS

Vaclav Pouchly (Ph.D. student) from Department of Ceramics and Polymers, Brno University of Technology, Czech Republic (DCPBUT) visited Faculty of Technology, University of Novi Sad, Serbia (FTUNS) for one month training stay (from 20th February to 19th March 2010) within the Mobility and training activity (WP 1).

Prof. Vladimir Srdić, supervisor of his stay at FTUNS, showed him all laboratories at University of Novi Sad for synthesis, processing and characterization of materials. During the stay Vaclav Pouchly had practical training at Zetasizer Nano ZS (by Mr. Milan Nikolic - experienced researcher from FTUNS) and learned a lot about problems in exact evaluation of obtained results of particle size distribution. He was trained for syntheses of core-shell particles based on SiO2 core and ferrite and perovskte shell by Mr. Milan Nikolć and Bojana Mojić. In addition, he shared his experience in shaping of nanopowders by pressing and sintering of pressed pellets with other young scientists from FTUNS. He also promised that the sintering in dilatometer and characterization of these pellets will be done in DCPBUT and explained to young scientists from FTUNS during next visit.

During his state in the Novi Sad Vaclav Pouchly also participated training course of Dr. Konstantinos Giannakopoulos from the Institute of Materials Science, National Center for Scientific Research “Demokritos” Athens, Greece (IMSNCSR) and lecture of Dr. Maca (DCPBUT) “The research of advanced ceramic processing at the Brno University of Technology and its future perspectives”. Vaclav Pouchly had the lecture „Basic principles of sintering phenomena“ for undergraduate students. He also visited several laboratories and has valuable discussions with many researchers from Novi Sad and helped them with digitalization of dilatometer THETA 1200C.



E. Bartoničkova at IMSNCSR

Eva Bartonickova (PhD student) from Department of Ceramics and Polymers, Faculty of Mechanical Engineering, Brno University of Technology (DCPBUT) visited the Institute of Materials Science, National Center for Scientific Research “Demokritos” Athens, Greece (IMSNCSR), for training within the Mobility and training activity (WP 1). However, she was at IMSNCSR only two weeks (from 6th to 20th April 2010) instead of one month, since this was the first visit organized between IMSNCSR and DCPBUT centers. Other two weeks will be done later (in the third Project year).

During the training Dr. Konstantinos P. Giannakopoulos showed her all facilities in Demokritos research center, especially the Institute of Materials Science where the research is focused mainly on structural studies and magnetic properties of materials. The X-Ray analyses of perovskite powders prepared on her Department of Ceramics and Polymers were done with assistance of Dr. Evagelia Moshopoulou. Further they discussed the problems of determination of exact structure of perovskite compounds. Dr. Evagelia Moshopolou introduced her special programs Poudrix a GSAS (General Structural Analysis System) for general fitting of structure from obtained experimental data. During her stay she had used the library and gathered many papers and literature data which helped her in understanding the structure refinement using GSAS programe. The talks about determination of magnetic and transport properties of materials (mainly superconductors based on Nb and V) by help of SQUID (superconducting quantum interference devices) equipment were given by Dr. Dimosthenis Stamopoulos.

 

One-month visit

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M. Špírková at FTUNS

Dr Milena Špírková from Institute of Macromolecular Chemistry, Academy of Sciences, v.v.i., Prague, Czech Republic (IMCASCR) visited Department of Materials Engineering at the Faculty of Technology, University of Novi Sad, Serbia (FTUNS). This one month visit for one-month training within the Mobility and training activity (WP 1). Collaboration between IMCASCR and FTUNS is well established and nicely organized and due to more effective training/education the planned one-month visit was divided on two parts (two-weeks each). Thus, the first part was done in the second Project year (from 28th March to 11th April 2010) and the second part will be done later (in the third Project year).

This visit had four main topics:

  • The sumarization of training activities of young researchres realized in IMCASCR Prague during the second year of DEMATEN project: Jelena Pavličević (Ph.D. student from FTUNS - 2 months, May/June 2009) and Annamária Duszová (Ph.D. student from IMRSAS - 1 month, Febuary/March 2010). Both training study stays were realized on nanostructure polymeric material preparation and characterization.
  • Training work with young scientists from FTUNS (learning them about new synthesis techniques for polyurethane nanocomposite preparation, giving consultative work with them regarding their Ph.D. thesis and learning them how they can use GPC).
  • The preparation of  other contact mobility possibilites of DEMATEN participants from UNS and IMCASCR for the third year of DEMATEN project.
  • The official meeting (April 9) with Project Coordinator (Prof. Vladimir Srdić), PMB member (Prof. Jaroslava Budinski –Simendić), leader of WP 3 (Prof. Ljubica Nikolić) and leader of WP 4 (Ass. Prof. Branka Pilić) with the emphasis on the discussion and summarization of all training acivity results achieved during the second year of DEMATEN project, preparation of hiring of expert from IMCASCR in UNS (Dr. Adam Strachota) that will start on April 12, 2010, and preparation of mutual activities for third year of DEMATEN project, especially for second Workshop that will be held in June 2010 in Greece (Chalkidiki).


 
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