On the role of surface/interface stress for phonon and thermal properties of GaN-based heterostructu

来源 :中国计算力学大会2018暨国际华人计算力学大会2018 | 被引量 : 0次 | 上传用户:petersainty
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  Gallium nitride(GaN),as a typical representative of the third generation of broad bandgap semiconductor materials,has been widely used in the field of optoelectronic and microelectronic devices because of its excellent physical and chemical properties[1].In applications,GaN-based nanomaterials suffer from a complex physical environment,such as stress field,electromagnetic field,and temperature field,ect.
其他文献
采用分子动力学方法,结合Adaptive Intermolecular Reactive Empirical Bond Order(AIREBO)势函数和Lennard-Jones(L-J)势函数,模拟了各种缺陷类型的碳纳米管力学性能及由缺陷碳纳米管与C60 分子组合而成的缺陷碳纳米豆荚中C60 分子的振荡。分别讨论了各类缺陷对碳纳米管力学性能的影响以及空位缺陷,五-七环缺陷和在缺陷与轴向预应力共
Bi2Sr2CaCu2Ox sheathed by Ag(Bi2212/Ag)is considered as a promising material for high field magnets because of its attractive features,such as isotropic electromagnetic performance,multi-filamentary s
A new implementation is purposed for performing fast frequency sweeping(FFS)and modal analysis in vibroacoustic problems based on the fast BE-FE method under a unified framework,which is a challenging
Due to high thermal stability and self-protecting features,no-insulation(NI)high-temperature superconducting coil has shown significant promise for the development of high-field magnets.However,slow q
Superconducting thin films are widely used in superconducting electronic devices.Usually,the flux avalanche occurs in superconductors at a low environment temperature,which is a challenge for applicat
Low-frequency vibration barrier plays an important role in mechanics and aerospace engineering.Phononic crystal is a kind of functional material which can generate elastic band gaps,formed by the peri
In the Dual Coolant Lead Lithium(DCLL)blanket,the Grashof number can reach up to e11~e12,buoyancy has a huge impact on flows and heat transfer.
复合材料薄板结构广泛应用于航空航天、建筑等工程领域。在实际工程使用中,由于制造工艺、工作环境等因素,往往会局部受热产生局部热缺陷。热缺陷使结构整体或局部表面温度升高,通过热传导的形式将能量传递至结构内部,使结构内部产生不均匀的温度场,温度升高使材料的热力学性能发生改变,热膨胀受到约束将使结构产生热应力,进一步降低结构的屈曲承载能力。
In this paper,AP1000 canned motor main pump(AP1000 CMMP)is studied.Firstly,fluid models of AP1000 nuclear main pump are generated using Solidworks and meshed by ICEM.
Ni-Mn-Ga ferromagnetic shape memory alloys show large recoverable deformation and high-frequency response through martensite reorientation induced by magnetic or mechanical loadings.