The Jožef Stefan Institute (IJS, JSI) ( sl, Institut "Jožef Stefan") is the largest research

institute An institute is an organisational body created for a certain purpose. They are often research organisations (research institutes) created to do research on specific topics, or can also be a professional body. In some countries, institutes can ...

Slovenia Slovenia ( ; sl, Slovenija ), officially the Republic of Slovenia (Slovene: , abbr.: ''RS''), is a country in Central Europe. It is bordered by Italy to the west, Austria to the north, Hungary to the northeast, Croatia to the southeast, an ...

. The main research areas are

physics Physics is the natural science that studies matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. "Physical science is that department of knowledge which r ...

chemistry Chemistry is the science, scientific study of the properties and behavior of matter. It is a natural science that covers the Chemical element, elements that make up matter to the chemical compound, compounds made of atoms, molecules and ions ...

molecular biology Molecular biology is the branch of biology that seeks to understand the molecular basis of biological activity in and between cells, including biomolecular synthesis, modification, mechanisms, and interactions. The study of chemical and physi ...

biotechnology Biotechnology is the integration of natural sciences and engineering sciences in order to achieve the application of organisms, cells, parts thereof and molecular analogues for products and services. The term ''biotechnology'' was first used b ...

information technologies Information technology (IT) is the use of computers to create, process, store, retrieve, and exchange all kinds of data . and information. IT forms part of information and communications technology (ICT). An information technology system (I ...

, reactor physics,

energy In physics, energy (from Ancient Greek: ἐνέργεια, ''enérgeia'', “activity”) is the quantitative property that is transferred to a body or to a physical system, recognizable in the performance of work and in the form of heat a ...

and

environment Environment most often refers to: __NOTOC__ * Natural environment, all living and non-living things occurring naturally * Biophysical environment, the physical and biological factors along with their chemical interactions that affect an organism or ...

. At the beginning of 2013 the institute had 962 employees, of whom 404 were PhD

scientists A scientist is a person who conducts scientific research to advance knowledge in an area of the natural sciences. In classical antiquity, there was no real ancient analog of a modern scientist. Instead, philosophers engaged in the philosophica ...

. The mission of the Jožef Stefan Institute is the accumulation and dissemination of knowledge at the frontiers of natural science and technology for the benefit of society at large through the pursuit of education, learning, research, and development of high technology at the highest international levels of excellence.

History

The institute was founded by the

State Security Administration (Yugoslavia) The State Security Service ( hr, Služba državne sigurnosti, sr, Служба државне безбедности; mk, Служба за државна безбедност; sl, Služba državne varnosti), also known by its original name ...

in 1949 for atomic weapons research. Initially, the

Vinča Nuclear Institute The Vinča Institute of Nuclear Sciences is a nuclear physics research institution near Belgrade, Serbia. Since its founding, the institute has also conducted research in the fields in physics, chemistry and biology. The scholarly institute is ...

Belgrade Belgrade ( , ;, ; Names of European cities in different languages: B, names in other languages) is the Capital city, capital and List of cities in Serbia, largest city in Serbia. It is located at the confluence of the Sava and Danube rivers a ...

was established in 1948, followed by the

Ruđer Bošković Institute The Ruđer Bošković Institute (RBI; hr, Institut Ruđer Bošković, , IRB) is a research institute located in the Šalata neighborhood of Zagreb, Croatia, founded in 1950, which studies the sciences. Description It is the largest Croatian resea ...

Zagreb Zagreb ( , , , ) is the capital (political), capital and List of cities and towns in Croatia#List of cities and towns, largest city of Croatia. It is in the Northern Croatia, northwest of the country, along the Sava river, at the southern slop ...

in 1950 and the Jožef Stefan Institute as an Institute for Physics in the

Slovenian Academy of Sciences and Arts The Slovenian Academy of Sciences and Arts ( sl, Slovenska akademija znanosti in umetnosti (SAZU)) is the national academy of Slovenia, which encompasses science and the arts and brings together the top Slovene researchers and artists as members o ...

. It is named after the distinguished 19th century physicist

Josef Stefan Josef Stefan ( sl, Jožef Štefan; 24 March 1835 – 7 January 1893) was an ethnic Carinthian Slovene physicist, mathematician, and poet of the Austrian Empire. Life and work Stefan was born in an outskirt village of St. Peter (Slovene: ; to ...

( sl, Jožef Stefan), best known for his work on the

Stefan–Boltzmann law The Stefan–Boltzmann law describes the power radiated from a black body in terms of its temperature. Specifically, the Stefan–Boltzmann law states that the total energy radiated per unit surface area of a black body across all wavelengths ...

black-body A black body or blackbody is an idealized physical body that absorbs all incident electromagnetic radiation, regardless of frequency or angle of incidence. The name "black body" is given because it absorbs all colors of light. A black body ...

radiation. IJS is involved in a wide variety of fields of scientific and economic interest. After close to 60 years of scientific achievement, the institute has become part of the image of

. Over the last 60 years it has created a number of important institutions, such as the

University of Nova Gorica The University of Nova Gorica, UNG ( sl, Univerza v Novi Gorici), is the fourth university in Slovenia. It is located in the towns of Nova Gorica, Gorizia (in Italy), Vipava, and Ajdovščina. History The University of Nova Gorica grew out of ...

, the Jožef Stefan International Postgraduate School and the Ljubljana Technology park.

Departments

*Physics
F1 Theoretical Physics

F2 Low and Medium Energy Physics

F3 Thin Films and Surfaces

F5 Condensed Matter Physics

F7 Complex Matter

F8 Reactor Physics
** *Chemistry and Biochemistry
B1 Biochemistry and Molecular Biology

B2 Molecular and Biomedical Sciences

B3 Biotechnology

K1 Inorganic Chemistry and Technology

K3 Physical and Organic Chemistry

K5 Electronic Ceramics

K6 Engineering Ceramics

K7 Nanostructured Materials

K8 Synthesis of Materials K8

K9 Advanced Materials

O2 Environmental Sciences
*Electronics and Information Technologies
E1 Automation, Biocybernetics and Robotics

E2 Systems and Control

E3 Artificial Intelligence

E5 Open Computer Systems and Networks

E6 Communication Systems

E7 Computer Systems

E8 Knowledge Technologies

E9 Intelligent Systems
*Reactor Engineering and Energetics

*Centers
Centre for Knowledge Transfer in Information Technologies
** **
Networking Infrastructure Centre
**
Reactor Infrastructure Centre

Scientific Information Centre Library

Center for Technology Transfer and Innovation

Campuses

The institute has facilities in two locations. The main facilities and the headquarters are on Jamova 39 in

Ljubljana Ljubljana (also known by other historical names) is the capital and largest city of Slovenia. It is the country's cultural, educational, economic, political and administrative center. During antiquity, a Roman city called Emona stood in the ar ...

, the other location is the institute's Podgorica Reactor Center located in

Brinje, Dol pri Ljubljani Brinje () is a settlement northeast of Ljubljana in the Municipality of Dol pri Ljubljani in the Upper Carniola region of Slovenia Slovenia ( ; sl, Slovenija ), officially the Republic of Slovenia (Slovene: , abbr.: ''RS''), is a country i ...

near Ljubljana.

Research reactor

The institute's Podgorica Reactor Center is home to a pool type

research reactor Research reactors are nuclear fission-based nuclear reactors that serve primarily as a neutron source. They are also called non-power reactors, in contrast to power reactors that are used for electricity production, heat generation, or maritim ...

. The

General Atomics General Atomics is an American energy and defense corporation headquartered in San Diego, California, specializing in research and technology development. This includes physics research in support of nuclear fission and nuclear fusion energy. The ...

TRIGA TRIGA (Training, Research, Isotopes, General Atomics) is a class of nuclear research reactor designed and manufactured by General Atomics. The design team for TRIGA, which included Edward Teller, was led by the physicist Freeman Dyson. Design ...

Mark II reactor is rated for a nominal 250 kW thermal. The reactor was first licensed in 1966 and is expected to continue operation at least into the 2030s.Slovenian Nuclear Safety Administration. Slovenian Report on Nuclear Safety. Slovenian 8th National Report as Referred in Article 5 of the Convention on Nuclear Safety. July 2019. https://podatki.gov.si/dataset/2a48d29a-8323-4961-80f8-f04dc23e88d5/resource/55ed566b-2b35-4117-927a-7f80ed8334fa/download/sloveniacns2020final.pdf The Central Radioactive Waste Storage of Slovenia is co-located at the institute's reactor facility. This facility is used for storage of the low and intermediate level solid radioactive waste from the Podgorica Reactor Center and other, non-institute small waste producers such as medical, research, and industrial applications of ionising radiation.

Selection of online services from the institute

*
VideoLectures.Net
Collection of videos of scientific events
AnswerArt
Question Answering system
SearchPoint
Contextual Web Search

References

External links

* {{DEFAULTSORT:Jozef Stefan Institute Research institutes in Slovenia Biochemistry research institutes Organizations established in 1949 Physics institutes Biological research institutes Energy research institutes Environmental research institutes Computer science institutes Nuclear research institutes Vič District Scientific organizations in Ljubljana 1949 establishments in Slovenia