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Ag(111)和Au(111)上铋的初始生长行为
半金属Bi Ag(111) Au(111) 扫描隧道显微镜
2022/3/24
半金属铋(Bi)的表面合金具有的Rashba效应, 和其具体结构性质有重要关联. 本文结合扫描隧道显微镜(STM)和密度泛函理论(DFT), 系统地研究了Bi原子在Ag(111)和Au(111)上的不同初始生长行为. 在室温Ag(111)上, 连续的Ag2Bi合金薄膜会优先在Ag台阶边缘形成; 在570 K Ag(111)上, 随着覆盖度增加到0.33 分子层(ML), Bi优先取代配位数低的台阶...
Tuning the spin texture in binary and ternary surface alloys on Ag(111)
Tuning the spin texture ternary surface alloys
2010/11/19
Recently, a giant spin splitting has been observed in surface alloys on noble metal (111) surfaces as a result of a strong structural modification at the surface as well as the large atomic spin-orbit...
We performed a systematic density functional study of the adsorption of copper, silver, and gold adatoms on graphene, especially accounting for van der Waals interactions by the vdW-DF and the PBE+D2 ...
Conductivity Fluctuations of Polycrystalline Ag-Doped YBa2Cu3O7- Superconductor
High-TC Superconductor Polycrystalline Ag addition Fluctuation Effects
2010/6/30
Systematic conductivity measurements near TC in granular Ag-doped YBa2Cu3O7d superconductors are presented. Silver doped YBa2Cu3O7d samples were produced by different routes and ch...
Effects of Ag Addition on Some Physical Properties of Granular YBa2Cu3O7-δ Superconductor
High-TC Superconductor Polycrystalline YBCO Ag Addition
2010/7/8
The effects of Ag addition on some physical properties of YBa2Cu3O7−d superconductor has been studied. The samples were produced by different routes and characterized by scanning electron micros...
Ag(TCNQ)准一维微米结构的制备及表征
金属有机配合物 Ag(TCNQ) 准一维微米结构 溶液化学反应法
2009/12/3
利用溶液化学反应法制备了准一维结构的金属有机配合物Ag(TCNQ). X射线衍射(XRD)表明,所制备的Ag(TCNQ)为晶态结构;扫描电子显微镜(SEM)的观察证明,Ag(TCNQ)为准一维的微米管或线;Raman 测试结果表明,单根的Ag(TCNQ)形成时,Ag原子与TCNQ分子之间发生了电荷转移.对样品的制备工艺,即 Ag膜厚度和浸入溶液的反应时间对生成Ag(TCNQ)晶体形貌的影响进行了研...
超薄Ag膜的椭偏光谱建模及解谱
超薄Ag膜 椭偏数据解谱 表面等离子体共振吸收
2009/5/5
用直流溅射法制备了6个不同厚度的超薄Ag膜。结合超薄Ag膜的结构特点,采用了Drude模型联合Lorentz Oscillator模型的解谱方法,得到1~6号样品的厚度分别为4.0,6.2,12.5,26.2,30.0和40.6 nm。从拟合结果的消光系数k图谱中发现,在1号到4号样品中分别于430,450,560和570 nm处出现了表面等离子体共振峰(SPR),随膜厚的增加共振峰宽化且峰位红移...
基于溅射-气体-聚焦(SGA)形成纳米金属颗粒的原理, 提出了蒸发-气体-聚集(EGA)共沉积制备Co-Ag颗粒膜的新方法, 并利用该方法制备了系列Co-Ag颗粒膜样品, TEM/ED分析表明;制备态样品Co颗粒被Ag原子所包裹, 能有效地阻止颗粒的表面氧化与团聚, 薄膜无需经过热处理即可形成Co与Ag的相分离, 其结构为fcc-Co和fcc-Ag非均匀相多晶共存形态.
Preparation of nanocrystalline Ag Powders by r-radiation combined with hydrothermal trentment
2007/7/28
期刊信息
篇名
Preparation of nanocrystalline Ag Powders by r-radiation combined with hydrothermal trentment
语种
英文
撰写或编译
作者
朱英杰,钱逸泰
第一作者单位
刊物名称
Materials Letters
页面
1993,Vol.17
出版日期
1993年
月
日
文章标识(ISSN)
相关项目...
Preparation and photoluminescence of CaS : Bi, CaS : Ag, CaS : Pb, and Sr1-xCaxS nanocrystallites
2007/7/28
期刊信息
篇名
Preparation and photoluminescence of CaS : Bi, CaS : Ag, CaS : Pb, and Sr1-xCaxS nanocrystallites
语种
英文
撰写或编译
作者
Wang CR,Tang KB,Yang Q,Qian YT
第一作者单位
刊物名称
J Electrochem Soc
页面
150 (3): G163-G...