نتایج جستجو برای: sc doped b12n12
تعداد نتایج: 75263 فیلتر نتایج به سال:
In this paper, the properties of anisotropic photonic band gaps (PBGs) in three-dimensional (3D) nomagnetized plasma photonic crystals (PPCs) composed of anisotropic dielectric (the uniaxial material) spheres immersed in uniform nomagnetized plasma background with various lattices including the diamond, face-centeredcubic (fcc), body-centered-cubic (bcc) and simple-cubic (sc) lattices, are theo...
the interaction of a nitrosyl hydride (hno) molecule with b12n12 nanocage was explored by means of density functional calculations. it was found that hno prefers to be adsorbing on a boron atom of the cage with adsorption energy of -0.65 ev. this adsorption process significantly shifts the homo-lumo gap (eg) of the cage to lower energies, thereby reducing eg of the cage from 6.84 to 2.45 ev. ti...
High power all fiber mid-IR supercontinuum generation in a ZBLAN fiber pumped by a 2 μm MOPA system.
High power all fiber mid-IR supercontinuum (SC) generation in a ZBLAN fiber pumped by a 2 μm master oscillator power amplifier (MOPA) system is demonstrated. A semiconductor saturable absorber mirror (SESAM) passively mode-locked laser with pulse width of 26 ps at 1960 nm is used as the seed of the MOPA system. A laser spectrum extending from ~1.9 μm to beyond 2.6 μm is generated in a subsequen...
Inorganic nanoprobes with ultrasmall size have the advantage of kidney clearance, which was very meaningful for achieving clinical application. In this article, Mn2+-doped gold nanoclusters (Mn-AuNCs) were synthesized, by magnetic resonance imaging (MRI) and tumor-microenvironment-responsive chemodynamic therapy (CDT) photodynamic (PDT) achieved. The results showed that...
In this paper, Exchange and Correlation energies of boron nitride with the formula of B12N12 are calculated by using the DFT methods with STO-3G, 6-31G AND 6-311G basis sets. The optimized structure and electronic properties calculations for the studied molecule have been performed using Gaussian 09 program. A mathematical equation of second grade was exploited for the correlation and exchange ...
– We study the quantum transition from an antiferromagnet to a superconductor in a model for electronand hole-doped cuprates by means of a variational cluster perturbation theory approach. In both cases, our results suggest a tendency towards phase separation between a mixed antiferromagnetic-superconducting phase at low doping and a pure superconducting phase at larger doping. However, in the ...
We show that a topological gauge structure in an effective description of the t-J model gives rise to a global phase diagram of antiferromagnetic (AF) and superconducting (SC) phases in a weakly doped regime. Dual confinement and deconfinement of holons and spinons play essential roles here, with a quantum critical point at a doping concentration xc ≃ 0.043. The complex experimental phase diagr...
Understanding the formation mechanism of SWNTs and endohedral metallofullerene is very interesting and also very important for the large-scale generation and controlled generation of various possible structures, such as different cage size and different metal species for metallofullerene and various radii and chiralities of SWNTs. Both endohedral metallofullerene and SWNTs are usually generated...
The positioning of In0.8Ga0.2As quantum dots (QDs) array in the i-region solar cell (SC) on its photogenerated current and dark saturation currents, which determine operating voltage device, have been investigated. It was found that indicated photoelectric characteristics depend location QD relative to electric field p-n junction. displacement boundary weakly doped base leads a decrease current...
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