نتایج جستجو برای: BN Nano cone

تعداد نتایج: 99961  

Journal: :npj quantum materials 2021

Electron-electron interaction is fundamental in condensed matter physics and can lead to composite quasiparticles called plasmarons, which strongly renormalize the dispersion carry information of electron-electron coupling strength as defined by effective fine structure constant $\alpha_{ee}^*$. Although h-BN with unique dielectric properties has been widely used an important substrate for grap...

2013
Sankaranarayanan Seetharaman Jayalakshmi Subramanian Khin Sandar Tun Abdelmagid S. Hamouda Manoj Gupta

In this study, magnesium composites with nano-size boron nitride (BN) particulates of varying contents were synthesized using the powder metallurgy (PM) technique incorporating microwave-assisted two-directional sintering followed by hot extrusion. The effect of nano-BN addition on the microstructural and the mechanical behavior of the developed Mg/BN composites were studied in comparison with ...

5-Fluorouracil (5-FU) is an anticancer drug. In this work, we have investigated the electronic properties and topological analysis of interaction between 5-FU and carbon nanocone and BN nanocone. The structural stability of isomer complexes of 5-FU with carbon nanocone and BN nanocone have been investigated for two position of interactions. We have found that the most stable complexes are forme...

Journal: :Journal of physics. Condensed matter : an Institute of Physics journal 2012
Yun Ding Marcella Iannuzzi Jürg Hutter

When a large amount of water is deposited onto a bare h-BN/Rh(111) nanomesh, the formation of ordered and stable nano-ice crystals in the pores has been experimentally observed. The present work proposes different possible models for the structure of the observed clusters, based on density functional theory calculations of two-dimensional water lattices adsorbed on free-standing hexagonal BN. T...

S. R. Allahkaram, Z. Shahri,

Metal matrix nano composite coatings possess enhanced properties such as corrosion and wear resistance. This paper aims to study the corrosion behavior of pure Co and Co-BN nano composite coatings deposited with different particles concentration (5-20 g L-1) on copper substrates using electroplating technique. Morphology and elemental compositions of the coatings were investigated by means of s...

2010
PRAMOD N. ACHAR

We compare orbits in the nilpotent cone of type Bn, that of type Cn, and Kato’s exotic nilpotent cone. We prove that the number of Fq-points in each nilpotent orbit of type Bn or Cn equals that in a corresponding union of orbits, called a type-B or type-C piece, in the exotic nilpotent cone. This is a finer version of Lusztig’s result that corresponding special pieces in types Bn and Cn have th...

5-Fluorouracil (5-FU) is an anticancer drug. In this work, we have investigated the electronic properties and topological analysis of interaction between 5-FU and carbon nanocone and BN nanocone. The structural stability of isomer complexes of 5-FU with carbon nanocone and BN nanocone have been investigated for two position of interactions. We have found that the most stable complexes are forme...

Journal: :journal of physical & theoretical chemistry 2014
zohreh yousefian karim zare

in this study, geometrical optimizations of clonidine drug were carried out with the hf/6-31g basissets .then, drug was put covalently to carbon nanocone with (5, 1) structure and a length of 150a. weuse chem office software and hyper chem at the end data will be presented as tables and figs.simulation was done in mm+, amber and opls force fields by monte carlo method. threeimportant energy par...

Journal: :journal of physical and theoretical chemistry 0
mehrnoosh khaleghian department of chemistry, islamshahr branch, islamic azad university, islamshahr, iran fatemeh azarakhshi department of chemistry, varamin-pishva branch, islamic azad university, varamin, iran masoome sheikhi department of chemistry, gorgan branch, islamic azad university, gorgan, iran

to investigate non-bonded interaction of phenanthrene and bn nanostructure, geometric structure of phenanthrene and b12n12 nano-ring with b3lyp method and 6-31g* basis set are optimized by using ab initio gaussian quantum chemical package. the main purpose of this study was to evaluate changes of electronic properties of aromatic compound in presences nano ring field. therefore reactivity and s...

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