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Projects / Programmes source: ARIS

Sinteza in karakterizacija nekovinskih materialov z magnetnimi in polprevodnimi lastnostmi (Slovene)

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Periods
January 1, 1999 - December 31, 2003
Research activity

Code Science Field Subfield
2.04.00  Engineering sciences and technologies  Materials science and technology   
2.09.00  Engineering sciences and technologies  Electronic components and technologies   

Code Science Field
T153  Technological sciences  Ceramic materials and powders 
P400  Natural sciences and mathematics  Physical chemistry 
P260  Natural sciences and mathematics  Condensed matter: electronic structure, electrical, magnetic and optical properties, supraconductors, magnetic resonance, relaxation, spectroscopy 
P360  Natural sciences and mathematics  Inorganic chemistry 
T150  Technological sciences  Material technology 
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 (12)
no. Code Name and surname Research area Role Period No. of publications
1.  01360  PhD Mihael Drofenik  Chemistry  Head  2001 - 2003  770 
2.  19169  PhD Boštjan Jančar  Chemical engineering  Researcher  2003  306 
3.  01849  PhD Miloš Komac  Materials science and technology  Researcher  2001 - 2002  140 
4.  22280  PhD Aljoša Košak  Materials science and technology  Researcher  2002 - 2003  212 
5.  14755  PhD Matjaž Kristl  Chemistry  Researcher  2002 - 2003  320 
6.  15148  PhD Darja Lisjak  Materials science and technology  Researcher  2001 - 2003  417 
7.  10372  PhD Darko Makovec  Materials science and technology  Researcher  2001 - 2003  671 
8.  19990  PhD Irena Pribošič  Materials science and technology  Researcher  2001 - 2003  36 
9.  06062  Josip Puh  Materials science and technology  Researcher  2001 - 2003  14 
10.  07992  PhD Igor Zajc  Materials science and technology  Researcher  2001 - 2003  71 
11.  10019  PhD Andrej Žnidaršič  Electronic components and technologies  Researcher  2001 - 2003  206 
12.  19940  MSc Nina Žuman  Materials science and technology  Researcher  2001 - 2003  8 
Organisations (1)
no. Code Research organisation City Registration number No. of publications
1.  0106  Jožef Stefan Institute  Ljubljana  5051606000  91,653 
Abstract
The program comprises basic research on ceramic materials with semiconducting and magnetic properties. Here investigation of grain boundaries and the study of microstructural models, which will explain and predict the most important specific electric and magnetic properties of the studied ceramic, will be performed. The programme will also consider the phase diagrams of oxide systems where phases with magnetic and semiconducting properties are to be expected. In addition, the programme is focused on the chemical properties and characterisation of nano-powders. Here the hydrothermal, sol-gel, microemulsional-based, sonochemical and other promising techniques are planned. The electronic ceramics planned to be investigated are based on donor-doped BaTiO3 and other systems with ferroelectric phases which might exhibit anomalies in electric resistance such as niobates and bismuthates, with a relatively high transition temperature. The investigation of magnetic ceramics will be concentrated on Mn, Zn, Ni and Cu based spinel ferrites. The aim of the programme is to study and elucidate the basic processes, which are essential for understanding of the formation and functioning of these materials. The final goal of the programme is to understand how the intrisinc properties and the grain boundary structure create the final extrinsic properties of a ceramic material. The programme proposed, i.e. the study of the grain boundary structure, in connection with transport phenomena, is related not only to the ceramics investigated but more broadly, to the majority of electoceramic materials. The semiconductivity and / or magnetic polarisation depend strongly on the status of the grain boundaries. So, the knowledge acquired during the study of the microstructural properties can also be important for the broad scientific community dealing with ceramic materials. Investigations of the oxide systems which include phases exhibiting magnetic and semiconducting properties and are open to design of technically important ceramic materials, are particularly valuable. The programme is important for Slovenia because of the domastic industry producing these ceramic materials. In the frame of the programme the education of students and postgraduates, as well as cooperation with foreign universities will take place. The results are to be published in highly ranked journals. Finally, these results will be used by experts from industry during the development and production of these materials.
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