quasicrystals相关论文
Exact mobility edges and topological phase transition in two-dimensional non-Hermitian quasicrystals
The emergence of the mobility edge(ME)has been recognized as an important characteristic of Anderson localization.The di......
With the rapid development of topological states in crystals,the study of topological states has been extended to quasic......
Joint effect of quasicrystalline icosahedral and L12-strucutred phases precipitation on the grain st
Dispersoid hardening is a key factor in increasing the recrystallization resistance and mechanical strength of non-heat ......
Functionally graded materials are the advanced composite materials,which own superior properties to homogeneous material......
Two special tetrahedra packing clusters were analytically calculated and discussed.Diamond and double-diamond,periodic s......
In addition to the phonon variable there is the phason variable in hydrodynamics for quasicrystals. These two kinds of h......
,Elastic analysis of an elliptic notch in quasicrystals of point group 10 subjected to shear loading
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Cd1-xZnxS nanocrystals are prepared by a co-precipitation method with different atomic fractions of Zn.The texture,struc......
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,Interaction between infinitely many dislocations and a semi-infinite crack in one-dimensional hexag
By means of analytic function theory,the problems of interaction between infinitely many parallel dislocations and a sem......
We investigate the properties of Bose-Einstein condensates (BECs) in a two-dimensional quasi-periodic optical lattice(OL......
Standard enthalpies of formation of quasicrystalline phase and the tary solid solutions in the Al-Fe-Cu system and the i......
(Al65Cu20Fe15)100-xSnx (x=0,12,20,30) and Al57Si10Cu18Fe15 powders were cladded on a medium carbon steel (45# steel) sub......
The relationship between α and Δ T rel is investigated, where α is a factor that depends on the structure of primary ......
Approximants in annealed IQC(Icosahedral Quasicrystal)-DQC (Decagonal Quasicrystal) pseudo-binary al
The structure and microstructure of constituent phases in annealed IQC100-x DQCx alloys,made from mixtures of Al62 Cu25.......
应用复变函数的方法,研究了一维六方准晶双材料中单个圆弧形夹杂界面裂纹与基体中螺型位错之间的交互作用问题,求得了该问题的封闭形......
系统研究了Al72.5Fe14.5Ni13和Al71Ee5Ni24铸态合金的相组成,发现其中分别存在D-Al72 6Fe14.6Ni12.8和D'-Al70 5Fe10Ni19 5两......
准晶材料具有低热导率、低磨擦系数、良好的耐磨性和抗氧化性、高硬度、高温塑性等优异性能,使之适于作为表面防护涂层.为了提高钛......
Evaluation of Some Fourier Integrals in N-Dimensional Space for the Theory of Dislocations in Quasic
评估一些 Fourier 积分的一个方法被扩大从二维(2-D ) 并且三维(3-D ) 空格吨维(n-D ) 空间,它经常在 quasicrystals 在脱臼的弹性......
Evaluation of Some Fourier Integrals in N-Dimensional Space for the Theory of Dislocations in Quasic
评估一些 Fourier 积分的一个方法被扩大从二维(2-D ) 并且三维(3-D ) 空格吨维(n-D ) 空间,它经常在 quasicrystals 在脱臼的弹性......
本文系统研究了Al-Mn-Si系合金中准晶的形成规律和稳定性。准晶I相在Al20Mn6Si合金附近还为最佳成分区,该区合金成分的准晶I相形成......
利用键参数函数和尺寸因数对第四长周期过渡族金属元素基准晶形成规律进行研究。发现可以用抛物线y=a-bx^2将准晶形成区与准晶不能......
We investigate the properties of Bose-Einstein condensates(BECs)in a two-dimensional quasi-periodic optical lattice(OL)w......
准晶是一种电子型金属间化合物,其形成及结构稳定性主要由电子浓度因素控制.三元准晶相图的电子浓度特征表明,三元准晶与其晶体学......
利用选区电子衍射及明暗场电子衍射成像技术,在Mn^+注入GaAs及随后退火的样品表层发现有二十面体准晶颗粒形成。能谱及电子能量损失谱分析表......
著者提出了一项配制新型准晶系列的成分加和原则,根据这个原则配制合金,并且采用快速冷凝制得了Al-Cu-Fe-Mn,Al-Cu-Fe-Cr和Al-Cu-F......
研究了Al-Cu-Fe-Pd-Mn和Al-Cr-Pd-Mn两种多元系合金的准晶形成规律、准晶态合金的成分范围和准晶的热稳定性。研究结果表明,Al-Cu-......
本文通过快速冷凝方法制得了Al-Cu-Fe-Zn系合金粉末,这种快冷合金粉末在室温下为准晶和晶态相共存结构,当把粉末加热到773K左右时,晶态相开始消失并且......
研究了一维六方准晶材料中螺型位错与圆形夹杂的干涉效应。利用复变函数方法,得到了由复势函数表示的边界条件以及应力场和位错力的......
(Al65Cu20Fe15) 100-x Sn x(x=0,12,20,30) and Al57Si10Cu18Fe15 powders were cladded on a medium carbon steel(45# steel) su......
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The cluster-based composition rule in ternary alloy systems including quasicrystals, bulk metallic glasses, crystalline ......
Anti-plane Analysis of a Circular Hole withThree Unequal Cracks in One-dimensionalHexagonal Piezoele
This paper employes variable function method and the technique of conformal mappingto discuss the anti-plane problem of ......
采用时域有限差分法讨论了由二氧化硅介质柱构成的8重准晶结构光子晶体的带隙特性。数值模拟结果表明,该结构的光子晶体对TM模存在......
用数值计算方法对计入三种长程跳跃的一维准晶体的电子性质做了较为详细的研究。计算结果表明,长程跳跃的引入,对子带的精细结构有......
将Al72Ni13.4Co14.6十次准晶作为前驱体合金,通过去合金化法制备了CoO/NiO/CoNi微纳复合材料作为锂离子电池负极材料。采用X射线衍......
以准晶线性弹性理论为基础,将准晶近似看做线性弹性体,在小变形情形下,采用有限差分法求解十次对称准晶中的动力学裂纹扩展问题的......
伪的形成的标准热含量水晶的阶段和 ternarys 在 Al-Fe-Cu 系统和金属间化合的复合 FeAl 的臭解决方案被解决方案热量测定的工具决......
Approximants in annealed IQC(Icosahedral Quasicrystal)-DQC(Decagonal Quasicrystal) pseudo-binary all
The structure and microstructure of constituent phases in annealed IQC100-x DQCx alloys,made from mixtures of Al62 Cu25.......
对凝聚态物理学中的Poisson括号及有关Lie群和Lie代数方法做了介绍.同时介绍了在准晶、液晶和一类软物质研究中的应用.不仅介绍了......
This structural study of quasicrystals is based on extremely dense icosahedral unit cells that are systematically and co......
The metric, that enables measurement of structural data from diffraction in quasicrystals, is analyzed. A modified compr......
Quasicrystals are material with perfect long-range order, but with no three-dimensional translation periodicity. They ar......