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master's thesis
Elastičnost dvodimenzionalnog indija
2018. urn:nbn:hr:160:721093
Horvat, Goran
Josip Juraj Strossmayer University of Osijek
Department of Physics
Division of Theoretical Physics and Computer Science
Division Chair of Theoretical Physics

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Horvat, G. (2018). Elastičnost dvodimenzionalnog indija (Master's thesis). Osijek: Josip Juraj Strossmayer University of Osijek, Department of Physics. Retrieved from https://urn.nsk.hr/urn:nbn:hr:160:721093

Horvat, Goran. "Elastičnost dvodimenzionalnog indija." Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of Physics, 2018. https://urn.nsk.hr/urn:nbn:hr:160:721093

Horvat, Goran. "Elastičnost dvodimenzionalnog indija." Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of Physics, 2018. https://urn.nsk.hr/urn:nbn:hr:160:721093

Horvat, G. (2018). 'Elastičnost dvodimenzionalnog indija', Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of Physics, accessed 28 February 2025, https://urn.nsk.hr/urn:nbn:hr:160:721093

Horvat G. Elastičnost dvodimenzionalnog indija [Master's thesis]. Osijek: Josip Juraj Strossmayer University of Osijek, Department of Physics; 2018 [cited 2025 February 28] Available at: https://urn.nsk.hr/urn:nbn:hr:160:721093

G. Horvat, "Elastičnost dvodimenzionalnog indija", Master's thesis, Josip Juraj Strossmayer University of Osijek, Department of Physics, Osijek, 2018. Available at: https://urn.nsk.hr/urn:nbn:hr:160:721093

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Metadata
TitleElastičnost dvodimenzionalnog indija
Title (english)Elasticity Of Two - Dimensional Indium
AuthorGoran Horvat
MentorMaja Varga Pajtler (mentor)
Committee memberDenis Stanić (predsjednik povjerenstva)
Committee memberMaja Varga Pajtler (član povjerenstva)
Committee memberSlavko Petrinšak (član povjerenstva)
GranterJosip Juraj Strossmayer University of Osijek
Department of Physics
(Division of Theoretical Physics and Computer Science)
(Division Chair of Theoretical Physics)
Osijek
Defense date and country2018-10-31, Croatia
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Physics
General and Classical Physics
Abstract
Proučena su elastična svojstva planarnog dvodimenzionalnog indija teorijskim ab initio proračunima pri kojima su korištene teorija funkcionala gustoće i programski paket ABINIT. U radu su prvo opisani dvodimenzionalni materijali općenito, potom teorija funkcionala gustoće i ABINIT, zatim elastična svojstva materijala općenito. Na kraju su dani detalji proračuna, te analizirani rezultati. Pri manjim deformacijama planarni indijen je transverzalno izotropan materijal. Youngov modul elastičnosti iznosi 31,0 \(Nm^{-1})\ , što ga čini vrlo fleksibilnim 2D materijalom pogodnim za modifikaciju elektronskih svojstava kontroliranom deformacijom. Poissonov omjer pri malim deformacijama iznosi 0,118, a modul smicanja 13,9 \(Nm^{-1})\ . Prikazana je ovisnost energije kristalne ćelije i tlaka o dvoosnoj, naslonjač (engl. armchair) i cik-cak deformaciji. Iz njih je vidljivo da je pri većim deformacijama planarni indijen anizotropan materijal jer pokazuje različita svojstva pri naslonjač i cik-cak deformaciji. Pri pozitivnoj cik-cak deformaciji većoj od 8% planarni indijen ima negativan Poissonov omjer.
Abstract (english)
Elastic properties of planar two - dimensional indium were studied using ab initio density functional theory calculations in the ABINIT program package. This thesis first describes two – dimensional materials in general, then density functional theory and the ABINIT, then elastic properties of materials in general. In the last part, computational details are given and the results are analysed. Planar indiene is a transversely isotropic material for small strains. Its Young's modulus is 31,0 \(Nm^{-1})\ , making it very flexible 2D material suitable for strain engineering of electronic properties. Poisson's ratio is 0,118 for small strains, and shear modulus is 13,9 \(Nm^{-1})\ . The energy of the crystal cell and the pressure as functions of biaxial, armchair and zigzag strain are shown. They show that planar indiene is anisotropic material under larger strains because it has different properties for different strain directions. For tensile zigzag strain exceeding 8%, planar indiene exhibits negative Poisson's ratio.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:160:721093
Study programmeTitle: Physics and Computer Science; specializations in: Teaching
Course: Teaching
Study programme type: university
Study level: graduate
Academic / professional title: magistar/magistra edukacije fizike i informatike (magistar/magistra edukacije fizike i informatike)
Type of resourceText
File originBorn digital
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2018-11-08 07:57:20