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Projects / Programmes source: ARIS

Vacuum science and opto electronics

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Periods
January 1, 2009 - December 31, 2013
Research activity

Code Science Field Subfield
2.09.00  Engineering sciences and technologies  Electronic components and technologies   
2.15.00  Engineering sciences and technologies  Metrology   

Code Science Field
T150  Technological sciences  Material technology 
P180  Natural sciences and mathematics  Metrology, physical instrumentation 
P240  Natural sciences and mathematics  Gases, fluid dynamics, plasmas 

Code Science Field
2.11  Engineering and Technology  Other engineering and technologies 
Evaluation (rules)
source: COBISS
Evaluation of bibliographic research performance indicators according to ARIS methodology
Citations Citations for bibliographic records in COBIB.SI that are linked to records in citation databases
source: WoS source: Scopus source: COBISS
Researchers (9)
no. Code Name and surname Research area Role Period No. of publications
1.  32609  Gregor Avbelj    Technical associate  2010 - 2012  5 
2.  05673  PhD Bojan Erjavec  Electronic components and technologies  Researcher  2009 - 2013  136 
3.  21772  PhD Milorad Milun  Materials science and technology  Researcher  2009 - 2013  68 
4.  03066  PhD Vincenc Nemanič  Electronic components and technologies  Researcher  2009 - 2013  245 
5.  32479  Makfir Sefa  Electronic components and technologies  Technical associate  2013  15 
6.  04254  PhD Janez Šetina  Electronic components and technologies  Head  2009 - 2013  251 
7.  25498  PhD Barbara Šetina Batič  Materials science and technology  Researcher  2009 - 2013  242 
8.  20335  PhD Bojan Zajec  Civil engineering  Researcher  2009 - 2012  182 
9.  19313  PhD Vida Žigman  Physics  Researcher  2009 - 2013  121 
Organisations (3)
no. Code Research organisation City Registration number No. of publications
1.  0106  Jožef Stefan Institute  Ljubljana  5051606000  90,724 
2.  0206  Institute of Metals and Technology  Ljubljana  5051622000  5,981 
3.  1540  University of Nova Gorica  Nova Gorica  5920884000  14,070 
Significance for science
Renewable energy sources will play an important role in the human society of the future. Part of our research dealt with energy harvesting, where a great progress is expected. The unused potential of energy at all conventional heat to electricity conversion systems is very attractive since the waste heat represents currently mainly an environmental load. Our research was directed toward increasing the total energy conversion efficiency. An accurate prediction of tritium retention in the inner walls of future fusion reactors, like ITER, will increase the period of their reliable operation, contributing to safe handling and helping to improve the methods for tritium removal. Beside the first wall where charged particles at high flux density enter the metal, there is a huge inner area where gaseous tritium at low pressure may also enter the metal. Our research contributed new findings about kinetics of absorption rate and release of hydrogen in these materials. A new generation of anti proton and ion research facilities (FAIR) is presently under construction at the GSI in Darmstadt. The new superconducting double ring synchrotron SIS100/300 will provide ion beams with a gain in energy of about a factor of 15 and a considerable gain in intensity of up to a factor of 1000 for primary beams and up to a factor of 10000 for secondary beams. To achieve these goals it is therefore necessary to know the ion induced desorption yields from different materials used for vacuum chamber components in order to choose the most suitable one. We performed research in this direction in collaboration with a group from Uppsala. Both aspects of research conducted at UNG, space weather effects on the ionosphere, and the interaction of the fusion fuel (hydrogen) with the reactor walls are at the cutting edge of the present concerns of the scientific community. Both fields of research activities, apart from high scientific significance, have also a technological value, and are equally oriented towards a sustainable development. Space weather research on the complete Sun to Earth chain gained increasing attention, since we were at the beginning of the new Solar Cycle 24, expecting the maximum activity in the years to come. The activities on the development of operative models for predicting the influence of the Solar Xray flares on the geospace closest to Earth are of obvious significance. Studies of the interaction of hydrogen with the walls of the fusion reactor are indispensable for the feasibility of the thermonuclear fusion power plant, a long term European and world project for obtaining safe energy. Research of metrological properties of selected vacuum gauges and studies of the new method for determining small gas quantities due to the outgassing of different electronic components and materials was important for the development of vacuum science. The results of research of adsorption/desorption of gasses on materials relevant for construction of ultrahigh vacuum systems and studies of the use of getter materials in vacuum metrology will allow further improvement of primary calibration methods in ultrahigh vacuum UHV and XHV. There is substantial scientific and technological motivation for understanding surface evolution during sputtering. Studying the pattern formation behavior can provide new insight into the fundamental non-equilibrium processes that control surface evolution. Technologically, because patterns develop spontaneously on the surface, sputter rippling also presents intriguing possibilities for nanostructured self assembly. Highly ordered surface structures can be formed inexpensively over large areas for potential applications such as quantum dot arrays with highly controlled optoelectronic properties or magnetic media for high density storage.
Significance for the country
In many modern industrial processes (microelectronics and semiconductor fabrication, nanotechnologies, surface engineering, pharmaceutical industry etc) and in numerous research fields (electron microscopy and other vacuum analytical methods, surface science, particle accelerators and synchrotron light sources, space research etc), the vacuum environment is an indispensable prerequisite. A good understanding of relevant vacuum materials and measurement methods is crucial for new developments in these fields as well as in industrial development of new and better products. Our work can contribute to the fact that Slovenia keeps the contact with technological development in the world. Novel results of our research were published in recognized international journals which address the topics mentioned. Generally speaking, in the interconnected world society it is important 'to join in'. Every contribution to science, specially, if achieved by Slovenian researchers, is relevant to Slovenia as well. Sustainable development is a global category. Research topics that contribute to the development of the Space Weather service and to the strategically significant fusion endeavor, eventually and on long–term contribute also to the sustainable development and to the economy of Slovenia, and are important for the preservation of the Slovenian natural heritage. Development of the regional network of VLF transmitters/ receivers at mid-latitudes and in Southern Europe, (Beograd, Erd, Nova Gorica, Corsica, Sicily) is providing better control of the space weather effects over the region. Recently Slovenia joined ESA as a European cooperating state. This is confirmation of results of Slovenian research activities on space, to which we have also actively contributed. In particular, taking part in international projects such as EURATOM, Cost and ESA projects both demands and enhances further development of Slovenia. Teaching and supervising at University levels, outreach to specific public target groups, rises the public awareness of the technological implications in the modern society and the significance of sustainable development. The achieved top position of Laboratory for pressure metrology in Slovenian national metrology system, as well as its reputation on the international level demands an active role in the fields of scientific metrology and cooperation with foreign national laboratories, proving its topmost qualification. It provides a foundation for international recognition of Slovenian national metrology system and for the confidence of other international metrology organizations in our distributed system. Results of our research work opened us possibility to take leading role in international metrology project EMRP-IND12.
Most important scientific results Annual report 2009, 2010, 2011, 2012, final report, complete report on dLib.si
Most important socioeconomically and culturally relevant results Annual report 2009, 2010, 2011, 2012, final report, complete report on dLib.si
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