نتایج جستجو برای: Local Density of States

تعداد نتایج: 21274233  

Journal: :international journal of nano dimension 0
s. jalili department of chemistry, k. n. toosi university of technology,tehran, iran. computational physical sciences research laboratory, department of nano-science, institute for studies in theoretical physics and mathematics (ipm),tehran, iran r. vaziri department of chemistry, k. n. toosi university of technology,tehran, iran.

first principle calculations were performed using density functional theory within the local spin density approximation (lsda) to understand the electronic properties of au(100)+tbt system and compare the results with au(100) and bulk au properties. band structure, the total dos and charge density for these materials are calculated. we found that the homo for au(100)+tbt becomes broader than au...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1387

boron nitride semiconducting zigzag swcnt, $b_{cb}$$n_{cn}$$c_{1-cb-cn}$, as a potential candidate for making nanoelectronic devices was examined. in contrast to the previous dft calculations, wherein just one boron and nitrogen doping configuration have been considered, here for the average over all possible configurations, density of states (dos) was calculated in terms of boron and nitrogen ...

Journal: :international journal of nano dimension 0
n. syarif department of chemistry, faculty of mathematics and natural sciences, university of indonesia, indonesia. department of chemistry, faculty of mathematics and natural sciences, sriwijaya university, indonesia.

graphite oxide constitutes carbon network with oxygen atoms both on hexagonal arrangement and the edge sites. structural and electronic properties for graphite-oxygen complexes have been explored using first-principles total-energy calculations within the local density approximation (lda). band structures and density of states for the propose carbon 3d models are reported. a finite energy gap and...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه دانشهای بنیادی (مرکز تحقیقات فیزیک نظری و - پژوهشکده علوم نانو 1392

among the low–dimensional allotropes of carbon, nanotubes and graphene have attracted very much attention from nano–science and nanotechnology specialists. they have been proposed as building blocks in nanometer device engineering. however, these structures are not defect–free. in this thesis, we focused on defective carbon nanotubes and graphene, and studied the effect of couple of very common...

R. Vaziri, S. Jalili

First principle calculations were performed using Density functional theory within the local spin density approximation (LSDA) to understand the electronic properties of Au(100)+TBT system and compare the results with Au(100) and bulk Au properties. Band structure, the total DOS and charge density for these materials are calculated. We found that the HOMO for Au(100)+TBT becomes broader than Au...

R. Vaziri, S. Jalili

First principle calculations were performed using Density functional theory within the local spin density approximation (LSDA) to understand the electronic properties of Au(100)+TBT system and compare the results with Au(100) and bulk Au properties. Band structure, the total DOS and charge density for these materials are calculated. We found that the HOMO for Au(100)+TBT becomes broader than Au...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده علوم 1393

in this thesis, structural, electronical, and optical properties of inverse pervskite(ca3pbo) in cubic phase have been investigated.the calculation have been done based on density functional theory and according to generalized gradiant approximate (gga) as correlating potential. in order to calculate the configurations, implementing in the wien2k code have been used from 2013 version. first of ...

Journal: :nanomedicine research journal 0
amirali abbasi molecular simulation laboratory (msl), azarbaijan shahid madani university, tabriz, iran jaber jahanbin sardroodi molecular simulation laboratory (msl), azarbaijan shahid madani university, tabriz, iran

objective(s): adsorption of immucillin-a (bcx4430) molecule on the pristine and n-doped tio2 anatase nanoparticles were studied using the density functional theory (dft) calculations. the adsorption energy analysis indicated that tio2+immucillin-a complexes including oc-substituted tio2 have higher adsorption energy than the complexes with ot substituted tio2, thus providing more stable configu...

Journal: :international journal of nano dimension 0
amirali abbasi molecular simulation laboratory (msl), azarbaijan shahid madani university, tabriz, iran.سازمان اصلی تایید شده: دانشگاه شهید مدنی (azarbaijan shahid madani university)سازمان های دیگر: 2 computational nanomaterials research group, azarbaijan shahid madani university, tabriz, iran 3 department of chemistry, faculty of basic sciences, azarbaijan shahid madani university, tabriz, iran jaber jahanbin sardroodi molecular simulation laboratory (msl), azarbaijan shahid madani university, tabriz, iran.سازمان اصلی تایید شده: دانشگاه شهید مدنی (azarbaijan shahid madani university)سازمان های دیگر: 2 computational nanomaterials research group, azarbaijan shahid madani university, tabriz, iran 3 department of chemistry, faculty of basic sciences, azarbaijan shahid madani university, tabriz, iran

we have performed density functional theory investigations on the adsorption properties of ammonia molecule on the undoped and n-doped tio2 anatase nanoparticles. we have geometrically optimized the constructed undoped and n-doped nanoparticles in order to fully understand the adsorption behaviors of ammonia molecule. for tio2 anatase nanoparticles, the binding site is preferentially located on...

اخوان, محمد , توانا, علی ,

 Electronic properties of heavy Fermion superconductors PuCoGa5 and PuRhGa5 consisting of density of states, band structure and the Fermi surface have been calculated based on density functional theory in the local spin density approximation plus on site Coulomb correlation (LSDA+U). Calculated density of states is in overall consistency with a photo emission experiment. The bands with f charac...

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