搜索结果: 1-15 共查到“材料科学 structure”相关记录187条 . 查询时间(0.187 秒)
With new experimental method, researchers probe spin structure in 2D materials for first time（图）
2D材料 自旋结构 “魔角”石墨烯
2023/6/26
By observing spin structure in “magic-angle” graphene, a team of scientists led by Brown University researchers have found a workaround for a long-standing roadblock in the field of two-dimensional el...
2022年7月15日，浙江大学生命科学学院赵烨教授、华跃进教授联合浙江大学医学院郭江涛教授团队在CellPress旗下的Structure杂志发表了题为“Mechanisms of helicase activated DNA end resection in bacteria”的研究成果。该论文使用冷冻电镜首次解析了细菌中的损伤DNA末端降解复合体HerA-NurA完整八聚体复合物的结构，并结合...
LiMII(IO3)3 (MII = Zn and Cd): Two Promising Nonlinear Optical Crystals Derived from a Tunable Structure Model of α‐LiIO3（图）
非线性 光学晶体 LiMII
2023/3/28
Excellent nonlinear optical materials simultaneously meet the requirements of large SHG response, phase‐matching capability, wide transparency windows, considerable energy band‐gap, good thermal stabi...
Finding Order and Structure in the Atomic Chaos Where Materials Meet
Order Structure Atomic Chaos Materials Meet
2017/4/27
Materials science researchers have developed a model that can account for irregularities in how atoms arrange themselves at the so-called “grain boundaries” – the interface where two materials meet. B...
昆明理工大学材料科学与工程学院材料科学基础课件Chapter 3 The Structure of Solids
昆明理工大学材料科学与工程学院 材料科学基础 课件 Chapter 3 The Structure of Solids
2017/4/17
昆明理工大学材料科学与工程学院材料科学基础课件Chapter 3 The Structure of Solids.
Researchers Detail How to Control Shape, Structure of DNA and RNA
Researchers Control Shape Structure of DNA RNA
2015/12/7
The development of nucleic acid (NA) based nanotechnology applications rely on the efficient packaging of DNA and RNA. However, the atomic details of NA-nanoparticle binding remain to be comprehensive...
Researchers Glimpse Distortions in Atomic Structure of Materials（图）
Researchers Glimpse Distortions Atomic Structure of Materials
2015/3/4
Researchers from North Carolina State University are using a technique they developed to observe minute distortions in the atomic structure of complex materials, shedding light on what causes these di...
Aspects of Alternative Network Structure Evolution
Pure sciences Applied sciences Double network Elastomers Hydrogels Supercritical carbon dioxide Thermomechanical Topological constraints
2014/11/21
The focus of this prospectus is to study a new and simple process method to prepare and characterize elastomers and hydrogels. A prestressed double network thermoplastic elastomer and hydrogel is prep...
Study of the particles' structure dependent rheological behavior for polymer nanospheres based shear-thickening fluid
Shear thickening Rheological properties Poly nanospheres Viscosity Mechanism
2015/3/24
A novel kind of shear thickening fluid (STF) was developed via dispersing poly(styrene–acrylic acid) (PS–AA) nanospheres into ethylene glycol (EG). By varying the structure characteristics of the PS–A...
Thermal properties and combustion behaviors of flame retarded epoxy acrylate with a chitosan based flame retardant containing phosphorus and acrylate structure
Chitosan Thermal properties Flammability Epoxy acrylate
2015/3/30
Functional materials prepared from natural resources arouse a great interest recently. Herein, a novel natural material based flame retardant chitosan phosphate acrylate (GPCS) containing phosphorus a...
Domain structure in CoFeB thin films with perpendicular magnetic anisotropy
Domain structure in CoFeB thin films with perpendicular magnetic anisotropy
2012/2/24
Domain structures in CoFeB-MgO thin films with a perpendicular easy magnetization axis were observed by magneto-optic Kerr-effect microscopy at various temperatures. The domain wall surface energy was...
Structure identification methods for atomistic simulations of crystalline materials
Structure identification methods atomistic simulations crystalline materials
2012/2/24
We describe a new computational analysis technique to identify lattices and structural defects in large-scale atomistic computer simulations of crystalline materials. Our approach is based on a user-s...
First-principles calculations of the electronic structure of open-shell condensed matter systems
First-principles calculations electronic structure open-shell matter systems
2012/2/24
We develop a Green's function approach to quasiparticle excitations of open-shell systems within the GW approximation. It is shown that accurate calculations of the characteristic multiplet structure ...
Influence of Photoexcitation Depth on Luminescence Spectra of Bulk GaAs Single Crystals and Defect Structure Characterization
Photoexcitation Luminescence Spectra Bulk GaAs Single Crystals Defect Structure Characterization
2011/9/9
The results of investigation of bulk GaAs photoluminescence are presented taken from near-surface layers of different thicknesses using for excitation the light with the wavelengths which are close bu...
Influence of photoexcitation depth on luminescence spectra of bulk GaAs single crystals: application to defect structure characterization
Photoexcitation Luminescence Spectra depth Bulk GaAs Single Crystals Defect Structure Characterization
2011/9/9
The results of investigation of bulk GaAs photoluminescence are presented taken from near-surface layers of different thicknesses using for excitation the light with the wavelengths which are close bu...