نتایج جستجو برای: quantum espresso density functional theory

تعداد نتایج: 1864053  

We present detailed theoretical studies of the H-bonded complexes formed from interaction between 5-fluorouracil and various six-membered cyclic nitrosamine compounds. In this study, an investigation on intermolecular interactions in X-NU (X = CH2, SiH2,BH, AlH, NH, PH, O and S) complexes is carried out using density functional theory. The calculations are conducted on B3L...

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...

Journal: :physical chemistry research 2015
fatemeh ravari azadeh khanmohammadi

we present detailed theoretical studies of the h-bonded complexes formed from interaction between 5-fluorouracil and various six-membered cyclic nitrosamine compounds. in this study, an investigation on intermolecular interactions in x-nu (x = ch2, sih2,bh, alh, nh, ph, o and s) complexes is carried out using density functional theory. the calculations are conducted on b3lyp/6-311++‏‏g** level ...

Journal: :Computer Physics Communications 2010
Jesse Noffsinger Feliciano Giustino Brad D. Malone Cheol-Hwan Park Steven G. Louie Marvin L. Cohen

EPW (Electron-Phonon coupling using Wannier functions) is a program written in FORTRAN90 for calculating the electron-phonon coupling in periodic systems using density-functional perturbation theory and maximally-localized Wannier functions. EPW can calculate electron-phonon interaction self-energies, electron-phonon spectral functions, and total as well as mode-resolved electron-phonon couplin...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده فیزیک 1386

چکیده ندارد.

Journal: :AIP Advances 2022

While giant saturation magnetization has been observed in α″–Fe16N2, its magnetic anisotropy and structural stability leave room for improvement. Several recent studies have investigated the effect of substitution to improve properties and/or stability; among these, Fe with V or Cu shown promise. We thus compare such alloys some more detail using first-principles electronic-structure calculatio...

Journal: :IOP conference series 2021

The unprecedented fast increase in power conversion efficiency seen photovoltaic devices based onhybrid halide perovskites have drawn significant research interests. Recent researches this area focused on finding different with better properties, especially stability. Atomistic simulations density functional theory were performed order to investigate the electronic properties of MAPbIPm-3m usin...

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