Mohr, Markus

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  • Mohr, Markus (5)
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Author's Bibliography

Modeling the thermal and electrical conductivity relation of synthesized diamonds within fractal nature analysis

Mitić, Vojislav V.; Veljković, Vlada B.; Lazović, Goran; Mohr, Markus; Gluche, Peter; Paunović, Vesna; Fecht, Hans-Jörg

(Societa ceramica italiana, 2019)

TY  - CONF
AU  - Mitić, Vojislav V.
AU  - Veljković, Vlada B.
AU  - Lazović, Goran
AU  - Mohr, Markus
AU  - Gluche, Peter
AU  - Paunović, Vesna
AU  - Fecht, Hans-Jörg
PY  - 2019
AB  - Improvement of novel materials could be very good development base for enhancement of new technologies. One of the most promising material of modern science is undoubtedly synthesized diamond. Because of variety of modern applications, the research in this area is becoming intensive. Utilization of this material made great step forward in many areas, beside the most known jewelry, also in producing microcomponents, in medical-surgery, as well as in high professional industry. These and others specific application of polycrystal diamonds, require permanently research and improvement of their properties. Although, the first synthesized diamond was created half a century ago using high pressure - high temperature (HPHT) method, diamonds created by chemical vapor deposition (CVD) method were much more convenient for application in so many areas. By applying CVD method, microcrystalline diamond (MCD) with grain size approximately 100 nm were created. Due to some disadvantages of MCD films, like values of hardness and Young’s modulus, new nanocrystalline (NCD) and ultra-nanocrystalline (UNCD) diamond materials were developed, with average grains size of 5-100 nm and 3-5 nm, respectively. The properties of polycrystalline diamonds can vary depending on the consolidation process like composition and pressure of applied gases, filament setup and reactor geometry. In that sense, changing the parameters of consolidation process, there is a possibility to change the microstructure of thin films and understanding its fundamentals. Also, fractal nature analysis could contribute to the revealing possibilities for improvement of polycrystalline diamond films. During carried out experiments, it was observed that there is the influence of grain size on thermal and electrical conductivity - when the thermal conductivity is increasing then electro conductivity is decreasing and opposite. Relation between the structures and final properties of synthetized diamonds can be achieved by explaining these phenomena based on fractal nature.
PB  - Societa ceramica italiana
PB  - Politecnico di Torino
C3  - Abstract Book / XVI Conference and Exhibition of the European Ceramic Society XVI ECerS Conference, Torino, 16-20 June 2019
T1  - Modeling the thermal and electrical conductivity relation of synthesized diamonds within fractal nature analysis
SP  - 672
EP  - 672
UR  - https://hdl.handle.net/21.15107/rcub_dais_7024
ER  - 
@conference{
author = "Mitić, Vojislav V. and Veljković, Vlada B. and Lazović, Goran and Mohr, Markus and Gluche, Peter and Paunović, Vesna and Fecht, Hans-Jörg",
year = "2019",
abstract = "Improvement of novel materials could be very good development base for enhancement of new technologies. One of the most promising material of modern science is undoubtedly synthesized diamond. Because of variety of modern applications, the research in this area is becoming intensive. Utilization of this material made great step forward in many areas, beside the most known jewelry, also in producing microcomponents, in medical-surgery, as well as in high professional industry. These and others specific application of polycrystal diamonds, require permanently research and improvement of their properties. Although, the first synthesized diamond was created half a century ago using high pressure - high temperature (HPHT) method, diamonds created by chemical vapor deposition (CVD) method were much more convenient for application in so many areas. By applying CVD method, microcrystalline diamond (MCD) with grain size approximately 100 nm were created. Due to some disadvantages of MCD films, like values of hardness and Young’s modulus, new nanocrystalline (NCD) and ultra-nanocrystalline (UNCD) diamond materials were developed, with average grains size of 5-100 nm and 3-5 nm, respectively. The properties of polycrystalline diamonds can vary depending on the consolidation process like composition and pressure of applied gases, filament setup and reactor geometry. In that sense, changing the parameters of consolidation process, there is a possibility to change the microstructure of thin films and understanding its fundamentals. Also, fractal nature analysis could contribute to the revealing possibilities for improvement of polycrystalline diamond films. During carried out experiments, it was observed that there is the influence of grain size on thermal and electrical conductivity - when the thermal conductivity is increasing then electro conductivity is decreasing and opposite. Relation between the structures and final properties of synthetized diamonds can be achieved by explaining these phenomena based on fractal nature.",
publisher = "Societa ceramica italiana, Politecnico di Torino",
journal = "Abstract Book / XVI Conference and Exhibition of the European Ceramic Society XVI ECerS Conference, Torino, 16-20 June 2019",
title = "Modeling the thermal and electrical conductivity relation of synthesized diamonds within fractal nature analysis",
pages = "672-672",
url = "https://hdl.handle.net/21.15107/rcub_dais_7024"
}
Mitić, V. V., Veljković, V. B., Lazović, G., Mohr, M., Gluche, P., Paunović, V.,& Fecht, H. (2019). Modeling the thermal and electrical conductivity relation of synthesized diamonds within fractal nature analysis.
Abstract Book / XVI Conference and Exhibition of the European Ceramic Society XVI ECerS Conference, Torino, 16-20 June 2019
Politecnico di Torino., 672-672.
Mitić VV, Veljković VB, Lazović G, Mohr M, Gluche P, Paunović V, Fecht H. Modeling the thermal and electrical conductivity relation of synthesized diamonds within fractal nature analysis. Abstract Book / XVI Conference and Exhibition of the European Ceramic Society XVI ECerS Conference, Torino, 16-20 June 2019. 2019;:672-672.
Mitić Vojislav V., Veljković Vlada B., Lazović Goran, Mohr Markus, Gluche Peter, Paunović Vesna, Fecht Hans-Jörg, "Modeling the thermal and electrical conductivity relation of synthesized diamonds within fractal nature analysis" Abstract Book / XVI Conference and Exhibition of the European Ceramic Society XVI ECerS Conference, Torino, 16-20 June 2019 (2019):672-672

The synthesized diamonds thermal conductivity and fractal nature

Veljković, Sandra; Mitić, Vojislav V.; Lazović, Goran; Mohr, Markus; Paunović, Vesna; Fecht, Hans-Jörg

(Belgrade : Serbian Ceramic Society, 2018)

TY  - CONF
AU  - Veljković, Sandra
AU  - Mitić, Vojislav V.
AU  - Lazović, Goran
AU  - Mohr, Markus
AU  - Paunović, Vesna
AU  - Fecht, Hans-Jörg
PY  - 2018
AB  - It is well known that diamonds are almost the best thermal conductors. This property as well as other convenient features, leaded to intensive research of synthesized diamonds production. Also, the investigation of the most valuable characteristics is the aim of permanently exploring. The thermal conductivity of synthesized diamonds research is very important, and because of that, the knowledge of the thermal conductivity properties is a basic point for completely understanding the synthesized diamonds phenomena. The experimental procedure confirmed interesting results regarding thermal conductivity. Investigation of the influence of different inputs on the synthesized diamonds process is of high importance. Due to the fact that the dimensions of the grain size have an impact on thermal conductivity, and that they are very small in deposited films of synthesized diamonds, the investigation of their fractal nature could lead to the further explanation of phenomena. The goal of this paper is basic analysis of what is the influence on thermal conductivity in the light of fractal nature materials properties.
PB  - Belgrade : Serbian Ceramic Society
C3  - Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VII : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 17-19 September 2018
T1  - The synthesized diamonds thermal conductivity and fractal nature
SP  - 90
EP  - 90
UR  - https://hdl.handle.net/21.15107/rcub_dais_4101
ER  - 
@conference{
author = "Veljković, Sandra and Mitić, Vojislav V. and Lazović, Goran and Mohr, Markus and Paunović, Vesna and Fecht, Hans-Jörg",
year = "2018",
abstract = "It is well known that diamonds are almost the best thermal conductors. This property as well as other convenient features, leaded to intensive research of synthesized diamonds production. Also, the investigation of the most valuable characteristics is the aim of permanently exploring. The thermal conductivity of synthesized diamonds research is very important, and because of that, the knowledge of the thermal conductivity properties is a basic point for completely understanding the synthesized diamonds phenomena. The experimental procedure confirmed interesting results regarding thermal conductivity. Investigation of the influence of different inputs on the synthesized diamonds process is of high importance. Due to the fact that the dimensions of the grain size have an impact on thermal conductivity, and that they are very small in deposited films of synthesized diamonds, the investigation of their fractal nature could lead to the further explanation of phenomena. The goal of this paper is basic analysis of what is the influence on thermal conductivity in the light of fractal nature materials properties.",
publisher = "Belgrade : Serbian Ceramic Society",
journal = "Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VII : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 17-19 September 2018",
title = "The synthesized diamonds thermal conductivity and fractal nature",
pages = "90-90",
url = "https://hdl.handle.net/21.15107/rcub_dais_4101"
}
Veljković, S., Mitić, V. V., Lazović, G., Mohr, M., Paunović, V.,& Fecht, H. (2018). The synthesized diamonds thermal conductivity and fractal nature.
Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VII : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 17-19 September 2018
Belgrade : Serbian Ceramic Society., 90-90.
Veljković S, Mitić VV, Lazović G, Mohr M, Paunović V, Fecht H. The synthesized diamonds thermal conductivity and fractal nature. Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VII : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 17-19 September 2018. 2018;:90-90.
Veljković Sandra, Mitić Vojislav V., Lazović Goran, Mohr Markus, Paunović Vesna, Fecht Hans-Jörg, "The synthesized diamonds thermal conductivity and fractal nature" Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VII : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 17-19 September 2018 (2018):90-90

The consolidation process and microstructure analysis of synthesized diamonds within fractal nature analysis

Veljković, Sandra; Mitić, Vojislav V.; Lazović, Goran; Paunović, Vesna; Mohr, Markus; Fecht, Hans-Jörg

(Belgrade : Institute of Technical Sciences of SASA, 2018)

TY  - CONF
AU  - Veljković, Sandra
AU  - Mitić, Vojislav V.
AU  - Lazović, Goran
AU  - Paunović, Vesna
AU  - Mohr, Markus
AU  - Fecht, Hans-Jörg
PY  - 2018
AB  - The development of new technologies is very often based on improvement of novel materials and the features of the existing ones as well as their application. Considering that the synthetic diamonds are one of the most appealing areas of modern materials science and its modern applications, the research in this area is becoming more intensive. Therefore, in this paper, an overview of the basic properties of natural and synthesized diamonds is firstly presented followed by the method of forming and parameters that affect the final properties of polycrystalline diamonds. The first method which was used for obtaining synthesized diamonds was HPHT (high pressure high temperature) method, by which were produced diamonds very similar to the natural ones. However, CVD (chemical vapor deposition) method for obtaining polycrystalline diamond films was more promising. By applying this method microcrystalline diamond (MCD) with grain size larger than 100 nm were created. Considering that there were some disadvantages of MCD, new nanocrystalline (NCD) and ultra-nanocrystalline (UNCD) diamond materials were developed, which average size of grains were 5-100 nm as well as 3-5 nm. Depending on the consolidation process (composition and pressure of applied gases, filament setup and reactor geometry) the properties of polycrystalline diamonds can vary. Detailed analysis of these materials nature can be additionally obtained by application of the fractal analysis which is presented in this paper.
PB  - Belgrade : Institute of Technical Sciences of SASA
C3  - Program and the Book of Abstracts / Seventeenth Young Researchers' Conference Materials Sciences and Engineering, December 5-7, 2018, Belgrade, Serbia
T1  - The consolidation process and microstructure analysis of synthesized diamonds within fractal nature analysis
SP  - 58
EP  - 58
UR  - https://hdl.handle.net/21.15107/rcub_dais_4725
ER  - 
@conference{
author = "Veljković, Sandra and Mitić, Vojislav V. and Lazović, Goran and Paunović, Vesna and Mohr, Markus and Fecht, Hans-Jörg",
year = "2018",
abstract = "The development of new technologies is very often based on improvement of novel materials and the features of the existing ones as well as their application. Considering that the synthetic diamonds are one of the most appealing areas of modern materials science and its modern applications, the research in this area is becoming more intensive. Therefore, in this paper, an overview of the basic properties of natural and synthesized diamonds is firstly presented followed by the method of forming and parameters that affect the final properties of polycrystalline diamonds. The first method which was used for obtaining synthesized diamonds was HPHT (high pressure high temperature) method, by which were produced diamonds very similar to the natural ones. However, CVD (chemical vapor deposition) method for obtaining polycrystalline diamond films was more promising. By applying this method microcrystalline diamond (MCD) with grain size larger than 100 nm were created. Considering that there were some disadvantages of MCD, new nanocrystalline (NCD) and ultra-nanocrystalline (UNCD) diamond materials were developed, which average size of grains were 5-100 nm as well as 3-5 nm. Depending on the consolidation process (composition and pressure of applied gases, filament setup and reactor geometry) the properties of polycrystalline diamonds can vary. Detailed analysis of these materials nature can be additionally obtained by application of the fractal analysis which is presented in this paper.",
publisher = "Belgrade : Institute of Technical Sciences of SASA",
journal = "Program and the Book of Abstracts / Seventeenth Young Researchers' Conference Materials Sciences and Engineering, December 5-7, 2018, Belgrade, Serbia",
title = "The consolidation process and microstructure analysis of synthesized diamonds within fractal nature analysis",
pages = "58-58",
url = "https://hdl.handle.net/21.15107/rcub_dais_4725"
}
Veljković, S., Mitić, V. V., Lazović, G., Paunović, V., Mohr, M.,& Fecht, H. (2018). The consolidation process and microstructure analysis of synthesized diamonds within fractal nature analysis.
Program and the Book of Abstracts / Seventeenth Young Researchers' Conference Materials Sciences and Engineering, December 5-7, 2018, Belgrade, Serbia
Belgrade : Institute of Technical Sciences of SASA., 58-58.
Veljković S, Mitić VV, Lazović G, Paunović V, Mohr M, Fecht H. The consolidation process and microstructure analysis of synthesized diamonds within fractal nature analysis. Program and the Book of Abstracts / Seventeenth Young Researchers' Conference Materials Sciences and Engineering, December 5-7, 2018, Belgrade, Serbia. 2018;:58-58.
Veljković Sandra, Mitić Vojislav V., Lazović Goran, Paunović Vesna, Mohr Markus, Fecht Hans-Jörg, "The consolidation process and microstructure analysis of synthesized diamonds within fractal nature analysis" Program and the Book of Abstracts / Seventeenth Young Researchers' Conference Materials Sciences and Engineering, December 5-7, 2018, Belgrade, Serbia (2018):58-58

Thermal and electrical conductivity relation phenomena within fractal nature synthesized diamonds frontiers

Mitić, Vojislav V.; Veljković, Sandra; Lazović, Goran; Mohr, Markus; Gluche, Peter; Paunović, Vesna; Fecht, Hans-Jörg

(Belgrade : Serbian Ceramic Society, 2018)

TY  - CONF
AU  - Mitić, Vojislav V.
AU  - Veljković, Sandra
AU  - Lazović, Goran
AU  - Mohr, Markus
AU  - Gluche, Peter
AU  - Paunović, Vesna
AU  - Fecht, Hans-Jörg
PY  - 2018
AB  - Many areas, like the most known jewelry, medical-surgery, in high professional industry, as well as producing micro components, there are many possibilities for application of synthesized diamonds. These and others specific application of polycrystal diamonds, require permanently research and improvement of their properties. Such exploring could be much better with understanding fundamentals of microstructures. In such investigation, fractal nature analysis could significantly contribute to the revealing of possibilities for improvements. By the experimental procedure, it is noticed that the influence of grain size on thermal and electrical conductivity have notable impact. Considering that, these conductivities affect the possibility of application in many areas, explaining on microstructural nature is of high importance. The influence of relation between the structures and final properties of synthetized diamonds can be achieved by explaining these phenomena based on fractal nature. The aim of the investigation is the establishing thermal and electrical conductivity relation phenomena within fractal nature synthesized diamonds frontiers.
PB  - Belgrade : Serbian Ceramic Society
C3  - Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VII : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 17-19 September 2018
T1  - Thermal and electrical conductivity relation phenomena within fractal nature synthesized diamonds frontiers
SP  - 56
EP  - 57
UR  - https://hdl.handle.net/21.15107/rcub_dais_4120
ER  - 
@conference{
author = "Mitić, Vojislav V. and Veljković, Sandra and Lazović, Goran and Mohr, Markus and Gluche, Peter and Paunović, Vesna and Fecht, Hans-Jörg",
year = "2018",
abstract = "Many areas, like the most known jewelry, medical-surgery, in high professional industry, as well as producing micro components, there are many possibilities for application of synthesized diamonds. These and others specific application of polycrystal diamonds, require permanently research and improvement of their properties. Such exploring could be much better with understanding fundamentals of microstructures. In such investigation, fractal nature analysis could significantly contribute to the revealing of possibilities for improvements. By the experimental procedure, it is noticed that the influence of grain size on thermal and electrical conductivity have notable impact. Considering that, these conductivities affect the possibility of application in many areas, explaining on microstructural nature is of high importance. The influence of relation between the structures and final properties of synthetized diamonds can be achieved by explaining these phenomena based on fractal nature. The aim of the investigation is the establishing thermal and electrical conductivity relation phenomena within fractal nature synthesized diamonds frontiers.",
publisher = "Belgrade : Serbian Ceramic Society",
journal = "Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VII : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 17-19 September 2018",
title = "Thermal and electrical conductivity relation phenomena within fractal nature synthesized diamonds frontiers",
pages = "56-57",
url = "https://hdl.handle.net/21.15107/rcub_dais_4120"
}
Mitić, V. V., Veljković, S., Lazović, G., Mohr, M., Gluche, P., Paunović, V.,& Fecht, H. (2018). Thermal and electrical conductivity relation phenomena within fractal nature synthesized diamonds frontiers.
Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VII : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 17-19 September 2018
Belgrade : Serbian Ceramic Society., 56-57.
Mitić VV, Veljković S, Lazović G, Mohr M, Gluche P, Paunović V, Fecht H. Thermal and electrical conductivity relation phenomena within fractal nature synthesized diamonds frontiers. Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VII : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 17-19 September 2018. 2018;:56-57.
Mitić Vojislav V., Veljković Sandra, Lazović Goran, Mohr Markus, Gluche Peter, Paunović Vesna, Fecht Hans-Jörg, "Thermal and electrical conductivity relation phenomena within fractal nature synthesized diamonds frontiers" Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VII : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 17-19 September 2018 (2018):56-57

Electrical conductivity and fractal nature analysis synthesized diamonds phenomena

Veljković, Sandra; Mitić, Vojislav V.; Lazović, Goran; Mohr, Markus; Paunović, Vesna; Fecht, Hans-Jörg

(Belgrade : Serbian Ceramic Society, 2018)

TY  - CONF
AU  - Veljković, Sandra
AU  - Mitić, Vojislav V.
AU  - Lazović, Goran
AU  - Mohr, Markus
AU  - Paunović, Vesna
AU  - Fecht, Hans-Jörg
PY  - 2018
AB  - Chemical Vapor Deposition – CVD can be used for creation of synthesized diamonds. The result of the process is the microstructure which is composed of numerous small grains. Such structure can be applied in various areas, like medicine, electronics, micromechanical systems, microelectromechanical systems – MEMS and many others. For these and many other applications, one of the most important feature is the electrical conductivity. Although the natural diamond is an excellent insulator, synthesized diamonds show different behavior. The exploring of this feature is a complex area with a strong convolution between grain size and sp2 bond ing effect. The optimization of the synthesized diamond properties requires the revealing of the size and the shape of the created crystallites. Due to the size of grains being significantly reduced, the fractal theory can help in analysis of the grain morphology and especially of electrical conductivity.
PB  - Belgrade : Serbian Ceramic Society
C3  - Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VII : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 17-19 September 2018
T1  - Electrical conductivity and fractal nature analysis synthesized diamonds phenomena
SP  - 89
EP  - 90
UR  - https://hdl.handle.net/21.15107/rcub_dais_4102
ER  - 
@conference{
author = "Veljković, Sandra and Mitić, Vojislav V. and Lazović, Goran and Mohr, Markus and Paunović, Vesna and Fecht, Hans-Jörg",
year = "2018",
abstract = "Chemical Vapor Deposition – CVD can be used for creation of synthesized diamonds. The result of the process is the microstructure which is composed of numerous small grains. Such structure can be applied in various areas, like medicine, electronics, micromechanical systems, microelectromechanical systems – MEMS and many others. For these and many other applications, one of the most important feature is the electrical conductivity. Although the natural diamond is an excellent insulator, synthesized diamonds show different behavior. The exploring of this feature is a complex area with a strong convolution between grain size and sp2 bond ing effect. The optimization of the synthesized diamond properties requires the revealing of the size and the shape of the created crystallites. Due to the size of grains being significantly reduced, the fractal theory can help in analysis of the grain morphology and especially of electrical conductivity.",
publisher = "Belgrade : Serbian Ceramic Society",
journal = "Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VII : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 17-19 September 2018",
title = "Electrical conductivity and fractal nature analysis synthesized diamonds phenomena",
pages = "89-90",
url = "https://hdl.handle.net/21.15107/rcub_dais_4102"
}
Veljković, S., Mitić, V. V., Lazović, G., Mohr, M., Paunović, V.,& Fecht, H. (2018). Electrical conductivity and fractal nature analysis synthesized diamonds phenomena.
Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VII : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 17-19 September 2018
Belgrade : Serbian Ceramic Society., 89-90.
Veljković S, Mitić VV, Lazović G, Mohr M, Paunović V, Fecht H. Electrical conductivity and fractal nature analysis synthesized diamonds phenomena. Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VII : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 17-19 September 2018. 2018;:89-90.
Veljković Sandra, Mitić Vojislav V., Lazović Goran, Mohr Markus, Paunović Vesna, Fecht Hans-Jörg, "Electrical conductivity and fractal nature analysis synthesized diamonds phenomena" Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VII : New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, 17-19 September 2018 (2018):89-90