Dusan Ilic - Academia.edu (original) (raw)
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Institute for Musicology of Serbian Academy of Sciences and Arts
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Papers by Dusan Ilic
Hemijska Industrija, 2007
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Interest in the study of the exciton subsystem in crystalline structures (in this case nanostruct... more Interest in the study of the exciton subsystem in crystalline structures (in this case nanostructures, i.e. thin films) occurred because dielectric, optical, photoelectric and other properties of materials can be explained by means of it. The basic question to be solved concerning theoretical research into the spatially strongly bounded structures is the inability to apply the standard mathematical tools: differential equations and Fourier analysis. In this paper, it is shown how the Green function method can also be efficiently applied to crystalline samples so constrained that quantum size effects play a significant role on them. For the purpose of exemplification of this method's application, we shall consider a molecular crystal of simple cubic structure: spatially unbounded (bulk) and strongly bounded alongside one direction (ultrathin film).
Charge carrier's (electron or hole) propagation in rectangular q... more Charge carrier's (electron or hole) propagation in rectangular quantum rod was investigated. It turned out that in rod the autoreduction process takes place. Using advanced Green's functions techniques, suitable for analyses of broken-symmetry structures, the charge carrier's concentrations are found and a behavior of autoreduction was estimated. It was shown that specific skin effect appears in quantum rods
International Journal of Modern Physics B, 2007
Phonon spectra as well as thermodynamic characteristic of superlattice are analyzed using the met... more Phonon spectra as well as thermodynamic characteristic of superlattice are analyzed using the method of two-time dependent Green's functions. Free and internal energy of the system as well as specific heat and entropy are found. The temperature behavior of superlattice specific heat is compared with specific heats of bulk structures and thin films. It was shown that at extremely low temperature, superlattice and film specific heats are practically equal and considerably lower than specific heat of bulk sample. The consequences of this fact to the thermal, conducting and superconducting properties of materials was discussed.
Physica Scripta, 2009
Interest in the study of the exciton subsystem in crystalline structures (in this case nanostruct... more Interest in the study of the exciton subsystem in crystalline structures (in this case nanostructures, i.e. thin films) occurred because dielectric, optical, photoelectric and other properties of materials can be explained by means of it. The basic question to be solved concerning theoretical research into the spatially strongly bounded structures is the inability to apply the standard mathematical tools: differential equations and Fourier analysis. In this paper, it is shown how the Green function method can also be efficiently applied to crystalline samples so constrained that quantum size effects play a significant role on them. For the purpose of exemplification of this method's application, we shall consider a molecular crystal of simple cubic structure: spatially unbounded (bulk) and strongly bounded alongside one direction (ultrathin film).
Hemijska Industrija, 2007
YDQWQH çLFH >²@ SUHGVWDYOMDMX RJUDQL HQH NULVWDOQH VWUXNWXUH NRG NRMLK VH XVORYL QD JUDQLFDPD UD]... more YDQWQH çLFH >²@ SUHGVWDYOMDMX RJUDQL HQH NULVWDOQH VWUXNWXUH NRG NRMLK VH XVORYL QD JUDQLFDPD UD]OLNXMX RG RQLK X XQXWUDåQMRVWL WM WUDQVODFLRQD VL PHWULMD QDUXåHQD MH GXç SUDYDFD QRUPDOQLK QD çLFX \ L ] SUDYFL $NR XQXWDU çLFH L]PHX QMHQLK JUDQL QLK SRY UåLQD QHPD QLNDNYLK GHIRUPDFLMD QDUXåHQMD NULVWDO QH VWUXNWXUH NULVWDOQD UHåHWND MH EH] SULPHVD YDNDQFLMD L VO RQGD VH RQD QD]LYD LGHDOQRP çLFRP >@ 8 VXSURWQRP DNR RYH GHIRUPDFLMH SRVWRMH QSU NDR SRVOHGLFH GRSLUDQMD VWUDQLP DWRPLPD WDGD VH WD VWUXNWXUD QD]LYD GHIRUPLVDQRP çLFRP 8 RYRP UDGX SRVPDWUD VH LGHDOQD XOWUDWDQND çLFD NXEQH NULVWDOQH
Interest in the study of the exciton subsystem in crystalline structures (in this case nanostruct... more Interest in the study of the exciton subsystem in crystalline structures (in this case nanostructures, i.e. thin films) occurred because dielectric, optical, photoelectric and other properties of materials can be explained by means of it. The basic question to be solved concerning theoretical research into the spatially strongly bounded structures is the inability to apply the standard mathematical tools: differential equations and Fourier analysis. In this paper, it is shown how the Green function method can also be efficiently applied to crystalline samples so constrained that quantum size effects play a significant role on them. For the purpose of exemplification of this method's application, we shall consider a molecular crystal of simple cubic structure: spatially unbounded (bulk) and strongly bounded alongside one direction (ultrathin film).
Charge carrier's (electron or hole) propagation in rectangular q... more Charge carrier's (electron or hole) propagation in rectangular quantum rod was investigated. It turned out that in rod the autoreduction process takes place. Using advanced Green's functions techniques, suitable for analyses of broken-symmetry structures, the charge carrier's concentrations are found and a behavior of autoreduction was estimated. It was shown that specific skin effect appears in quantum rods
International Journal of Modern Physics B, 2007
Phonon spectra as well as thermodynamic characteristic of superlattice are analyzed using the met... more Phonon spectra as well as thermodynamic characteristic of superlattice are analyzed using the method of two-time dependent Green's functions. Free and internal energy of the system as well as specific heat and entropy are found. The temperature behavior of superlattice specific heat is compared with specific heats of bulk structures and thin films. It was shown that at extremely low temperature, superlattice and film specific heats are practically equal and considerably lower than specific heat of bulk sample. The consequences of this fact to the thermal, conducting and superconducting properties of materials was discussed.
Physica Scripta, 2009
Interest in the study of the exciton subsystem in crystalline structures (in this case nanostruct... more Interest in the study of the exciton subsystem in crystalline structures (in this case nanostructures, i.e. thin films) occurred because dielectric, optical, photoelectric and other properties of materials can be explained by means of it. The basic question to be solved concerning theoretical research into the spatially strongly bounded structures is the inability to apply the standard mathematical tools: differential equations and Fourier analysis. In this paper, it is shown how the Green function method can also be efficiently applied to crystalline samples so constrained that quantum size effects play a significant role on them. For the purpose of exemplification of this method's application, we shall consider a molecular crystal of simple cubic structure: spatially unbounded (bulk) and strongly bounded alongside one direction (ultrathin film).