1)打开白光; 2)点击摄像机; 3)调节粗焦向下移动至光斑聚集成点(若载玻片位置与镜头偏移过大,利用操作杆前后左右移动来调整,调整后再移动粗焦); 4)关闭室内灯光; 5)眼睛注视电脑,继续缓慢移动粗焦(一定要慢,防止镜头与载玻片相撞),当出现第一个清晰画面时,左右移动操作杆,观察画面是否移动,若不动,则可判断...
反过来,我们也可以利用拉曼光谱的变化来研究电极材料发生的改变。与原位XRD相比,原位Raman具有独特的优势,它可以用来研究那些非晶体或者结晶性很差的材料,也适于研究界面处的反应。加拿大University of Western的孙学良课题组就采用原位Raman研究了全固态Li-Se电池中Se正极的电化学反应机理[5]。该论文首次报道了可逆的界面...
Amorphous silicon thin films were prepared by magnetron sputtering and crystallization of the films by a 532 nm continuous-wave laser under different power densities and scan speeds was studied by in-situ micro-Raman spectroscopic measurements and field emission scanning electron microscope.It is shown...
in-situ raman spectroscopy of α-and γ-feooh during cathodic load K Hedenstedt,J Bckstrm,E Ahlberg 被引量: 0发表: 2018年 Electrode reactions at modified surfaces dependent on the reaction site: γ-FeOOH as example Other reactions, such as charging of the electrode capacity, the anodic ...
Raman spectroscopy has been used to carry out in situ studies of K3PMo12O40 state in acrolein oxidation. It has been established that at 400°C the simultaneous effects of both the reaction mixture and laser beam lead to the formation of surface MoO3 on the catalyst. This is a preview ...
Iin-situ Raman spectrometers enable scientists to measure reaction and process trends in real time, providing precise information about kinetics, polymorph transitions, and mechanisms.
Raman microprobe scattering is shown to be a useful noninvasive real-time probe during thin film processing. Applications during laser-assisted processing that are relevant to microelectronics are emphasized.!34Irving P. HermanColumbia Univ.New YorkNYUSA.Process Module Metrology, Control and Clustering...
The crystallization sequence during droplet evaporation experiments at room conditions was determined using Raman and polarization microscopy. The basic idea of this research is to use deviations of the crystallization sequence of a salt or a mixed salt solution from the equilibrium pathway as an ...
Raman spectroscopy has proven to be a unique analytical tool for studying electrode materials of lithium-ion batteries due to its ability to probe structural changes at the level of chemical bonds. In this work, the calculated Raman spectrum of α-Li3V2(PO4)3 provided by density functional th...
The Raman wavenumber of the symmetric stretching vibration of carbonate ion (ν1-CO32−) was measured in three aqueous solutions containing 2.0 mol·L−1 Na2CO3 and 0.20, 0.42, or 0.92 mol·L−1 NaCl, respectively, from 122 to 1538 MPa at