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Functional Materials characterizatio...

Yang, Bo.

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Functional Materials characterizations by Scanning/Transmission Electron Microscopy and Electron Energy Loss spectroscopy.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Functional Materials characterizations by Scanning/Transmission Electron Microscopy and Electron Energy Loss spectroscopy./
作者:	Yang, Bo.
面頁冊數:	114 p.
附註:	Source: Dissertation Abstracts International, Volume: 74-08(E), Section: B.
Contained By:	Dissertation Abstracts International74-08B(E).
標題:	Engineering, Materials Science. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3560211
ISBN:	9781303059711

Functional Materials characterizations by Scanning/Transmission Electron Microscopy and Electron Energy Loss spectroscopy.
Yang, Bo.

Functional Materials characterizations by Scanning/Transmission Electron Microscopy and Electron Energy Loss spectroscopy. - 114 p.

Source: Dissertation Abstracts International, Volume: 74-08(E), Section: B.

Thesis (Ph.D.)--Arizona State University, 2013.

Along with the fast development of science and technology, the studied materials are becoming more complicated and smaller. All these achievements have advanced with the fast development of powerful tools currently, such as Scanning electron microscopy (SEM), Focused Ion Beam (FIB), Transmission electron microscopy (TEM), Energy dispersive X-ray spectroscopy (EDX), Electron energy loss spectroscopy (EELS) and so on. SiTiO3 thin film, which is grown on Si (100) single crystals, attracts a lot of interest in its structural and electronic properties close to its interface. Valence EELS is used to investigate the Plasmon excitations of the ultrathin SrTiO3 thin film which is sandwiched between amorphous Si and crystalline Si layers. On the other hand, theoretical simulations based on dielectric functions have been done to interpret the experimental results. Our findings demonstrate the value of valence electron energy-loss spectroscopy in detecting a local change in the effective electron mass. Recently it is reported that ZnO-LiYbO2 hybrid phosphor is an efficient UV-infrared convertor for silicon solar cell but the mechanism is still not very clear. The microstructure of Li and Yb co-doped ZnO has been studied by SEM and EDX, and our results suggest that a reaction (or diffusion) zone is very likely to exist between LiYbO2 and ZnO. Such diffusion regions may be responsible for the enhanced infrared emission in the Yb and Li co-doped ZnO. Furthermore, to help us study the diffusion zone under TEM in future, the radiation damage on synthesized LiYbO2 has been studied at first, and then the electronic structure of the synthesized LiYbO2 is compared with Yb2O 3 experimentally and theoretically, by EELS and FEFF8 respectively.

ISBN: 9781303059711Subjects--Topical Terms:

1017759
Engineering, Materials Science.

Functional Materials characterizations by Scanning/Transmission Electron Microscopy and Electron Energy Loss spectroscopy.
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