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binding energy of Biexcitons in GaAs Quantum-Well Wires

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Chinese Physics Letters 2004年第11期21卷 2259-2262页

作者：刘建军陈晓芳李树深 CollegeofPhysics HebeiNormalUniversityShijiazhuang050016 NationalLaboratoryforSuperlatticesandMicrostructures InstituteofSemiconductorsChineseAcademyofSciencesBeijing100083

The binding energy of a biexciton in GaAs quantum-well wires is calculated variationally by use of a two-parameter trial wavefunction and a one-dimensional equivalent potential model. There is no artificial parameter added in our calculation. Our results agree fairly well with the previous results. It is found that the binding energies are closely correlative to the size of wire. The binding energy of biexcitons is smaller than that of neutral bound excitons in GaAs quantum-well wires when the dopant is located at the centre of the wires.

关键词： binding energy

binding energy produced within the framework of the accretion of millisecond pulsars

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Chinese Physics C 2023年第4期47卷 11-15页

作者： Ali Taani Physics Department Faculty of ScienceAl Balqa Applied University19117 SaltJordan

The role and implication of binding energy through the accretion-induced collapse(AIC)of accreting white dwarfs(WDs)for the production of millisecond pulsars(MSPs)are *** binding energy model is examined due to the dynamic process in closed binary systems,and the possible mass of the companion sufficient to induce their orbital parameters is *** deterministic nature of this interaction has a strong sensitivity to the equation of state of the binary systems(where the compactness of a neutron star is proportional to the amount of binding energy)associated with their initial *** behavior mimics the commonly assumed mass and amount of accreted matter under the instantaneous mass loss(ΔM~0.18M_(⊙)).As a result,this indicates an increase in the MSP’s gravitational mass due to angular momentum *** outcome of such a system is then a circular binary MSP in which the companion is a low-mass WD,thus distinguishing the binary formation *** addition,the results of this work could provide constraints on the expected mass and binding energy of a neutron star based on the accretion rate.

关键词： binding energy pulsars evolution kinematics and dynamics

binding　energy　OF　THE　SHALLOW　DONOR　IN　（CdTe）_m／（ZnTe）_n　STRAINED　DOUBLE　QUANTUM　WELL

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Acta Metallurgica Sinica(English Letters) 1996年第2期9卷 103-108页

作者： XING Jinhai(Department of Physics,Liaoning University,Shenyang 110036,China)HUANG Heluan(Department of Electronic Science and Engineering,Liaoning University,110036,China) Liaoning Univ Shenyang China

In this paper the binding energy of the *** in CdTe/ZnTe strained double quantum well was *** effect of the finite well potential and strain,resulting from the lattice mismatch,on the binding energy of the impurity is included in a variational *** binding energy is obtained as a function of the well width,barrier width,and impurity position in the barrier by using a variational *** result of the present calculation shows that the variational law of the binding energy is similar to that of unstrained materials.

关键词： binding energy shallow donor strained double quantum well CdTe ZnTe

Effects of binding energy of Bioinspired Sacrificial Bond on Mechanical Performance of cis-1,4-Polyisoprene with Dual-crosslink

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Chinese Journal of Polymer Science 2018年第9期36卷 1055-1062页

作者： Sheng Wang Zheng-Hai Tang Jing Huang Bao-Chun Guo Department of Polymer Materials and Engineering South China University of Technology

Although bioinspired sacrificial bonds have been demonstrated to be efficient in improving the mechanical properties of polymer materials, the effect of binding energy of a specific dynamic bond on the ultimate mechanical performance of a polymer network with dual-crosslink remains unclear. In this contribution, diamine and sulfur curing package are introduced simultaneously into a sulfonated cis-1,4-polyisoprene to create dually-crosslinked cis-1,4-polyisoprene network with sulfonate-aminium ionic bonds as the sacrificial bonds. Three diamines （primary, secondary and tertiary） with the same spacer between the two nitrogen atoms are used to create the ionic bonds with different binding energies. Although the binding energy of ionic bond does not affect the glass transition temperature of cis-1,4-polyisoprene （IR）, it exerts definite influences on strain-induced crystallization and mechanical performance. The capabilities of diamine in dissipating energy, promoting strain-induced crystallization and enhancing the mechanical performance are in the same order of secondary diamine 〉 primary diamine 〉 tertiary diamine. The variations in mechanical performances are correlated to the binding energy of the ionic bond, which is determined by pKa values.

关键词： cis-1,4-Polyisoprene Ionic bond Sacrificial bond binding energy Strain-induced crystallization

Effects of Crossed Electric and Magnetic Fields on Shallow Donor Impurity binding energy in a Parabolic Quantum Well

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Chinese Physics Letters 2004年第12期21卷 2500-2503页

作者： E.Kasapoglu H.Sari I.Soekmen DepartmentofPhysics CumhuriyetUniversity58140SivasTurkey DepartmentofPhysics DokuzEylülUniversityIzmirTurkey

We have calculated variationally the ground state binding energy of a hydrogenic donor impurity in a parabolic quantum well in the presence of crossed electric and magnetic fields. These homogeneous crossed fields are such that the magnetic field is parallel to the heterostructure layers and the electric field is applied perpendicular to the magnetic field. The dependence of the donor impurity binding energy to the well width and the strength of the electric and magnetic fields are discussed. We hope that the obtained results will provide important improvements in device applications, especially for a suitable choice of both fields in the narrow well widths.

关键词： binding energy

The binding energy of a hydrogenic impurity in self-assembled double quantum dots

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Chinese Physics B 2011年第12期20卷 373-377页

作者：张红王学赵剑锋刘建军 College of Science Hebei University of Engineering College of Physical Science and Information Engineering Hebei Normal University

The binding energy of a hydrogenic impurity in self-assembled double quantum dots is calculated via the finitedifference method. The variation in binding energy with donor position, structure parameters and external magnetic field is studied in detail. The results found are：（i） the binding energy has a complex behaviour due to coupling between the two dots; （ii） the binding energy is much larger when the donor is placed in the centre of one dot than in other positions; and （iii） the external magnetic field has different effects on the binding energy for different quantum-dot sizes or lateral confinements.

关键词： hydrogenic impurity double quantum dots binding energy magnetic field

THE GENERALIZED RIEMANN PROBLEM FOR A SCALAR NONCONVEX COMBUSTION MODEL-THE PERTURBATION ON INITIAL binding energy

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Acta Mathematica Scientia 2012年第3期32卷 1262-1280页

作者：潘丽君盛万成 Department of Mathematics Nanjing University of Aeronautics and Astronautics Department of Mathematics Shanghai University

In this article, we study the generalized Riemann problem for a scalar non- convex Chapman-Jouguet combustion model in a neighborhood of the origin （t 〉 0） on the （x, t） plane. We focus our attention to the perturbation on initial binding energy. The solutions are obtained constructively under the entropy conditions. It can be found that the solutions are essentially different from the corresponding Riemann solutions for some cases. Especially, two important phenomena are observed： the transition from detonation to deflagration followed by a shock, which appears in the numerical simulations [7, 27]; the transition from deflagration to detonation （DDT）, which is one of the core problems in gas dynamic combustion.

关键词： Scalar nonconvex Chapman-Jouguet combustion model binding energy perturbation detonation deflagration

Calibration of binding energy Positions with C1s for XPS Results

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Journal of Wuhan University of Technology(Materials Science) 2020年第4期35卷 711-718页

作者：方德 HE Feng 谢峻林 XUE Lihui State Key Laboratory of Silicate Materials for Architectures Wuhan University of TechnologyWuhan 430070China Center for Materials Research and Analysis Wuhan University of TechnologyWuhan 430070China School of Materials Science and Engineering Wuhan University of TechnologyWuhan 430070China

The adventitious carbon located at 284.8 eV was used to calibrate samples without the carbon *** the carbon is as a major part of the inorganic material,the adventitious carbon should be identified and used as the *** is no adventitious carbon on the surfaces of the polymer materials,so using C1s of the carbon in the polymer itself to calibrate the charging effect is ***,compared with gold and argon,a more practical and convenient method based on C1s is proposed to get the right positions for binding energy peaks.

关键词： XPS calibration charging effect binding energy C1s

Simulative Calculation of Mechanical Property, binding energy and Detonation Property of TATB/Fluorine-polymer PBX

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Chinese Journal of Chemistry 2006年第4期24卷 473-477页

作者：马秀芳肖继军黄辉居学海李金山肖鹤鸣 Institute for Computation in Molecular and Material Science Nanjing University of Science and Technology Nanjing Jiangsu 210094 China Institute of Chemical Materials China Academy of Engineering Physics Mianyang Sichuan 621900 China

Molecular dynamics （MD） method was used to simulate 1,3,5-triamino-2,4,6-trinitrobenzene （TATB） coated with fluorine containing polymers. The mechanical properties and binding energies of PBXs were obtained. It was found that when the number of chain monomers of fluorine containing polymers was the same, the elasticity of TATB/F2314 was increased more greatly than others and the binding energy of TATB/F2311 was the largest among four PBXs. Detonation heat and velocity of such four PBXs were calculated according to theoretical and empirical formulas. The results show that the order of detonation heat is TATB〉TATB/PVDF〉TATB/F2311〉TATB/ F2314 〉 TATB/PCTFE while the order of detonation velocity is TATB/PVDF 〈 TATB/F2311 〈 TATB/F2314 〈 TATB/PCTFE 〈TATB.

关键词： polymer bonded explosive molecular dynamics mechanical property binding energy detonation property