Differentiation of tin oxides using electron energy-loss spectroscopy

被引：74

作者：

Moreno, MS ^{[1
]}

Egerton, RF

Midgley, PA

机构：

[1] Ctr Atom Bariloche, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina

[2] Univ Alberta, Dept Phys, Edmonton, AB T6G 2J1, Canada

[3] Univ Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England

[4] Consejo Nacl Invest Cient & Tecn, RA-1033 Buenos Aires, DF, Argentina

来源：

PHYSICAL REVIEW B | 2004年 / 69卷 / 23期

关键词：

D O I：

10.1103/PhysRevB.69.233304

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have used electron energy-loss spectroscopy to search for differences in the energy-loss near-edge structure of SnO, SnO2, and an intermediate oxide, with a view to distinguishing them unambigously. We have found that the oxygen K edge exhibits clear differences that can be used for fingerprinting each phase. The oxygen edge appears at the same position for each phase whereas a chemical shift of the Sn M-4,M-5 edge of about 3.5 eV was observed between phases with Sn in 2+ and 4+ oxidation states. Both observations can be used to distinguish between the three phases, allowing their on-line identification within nanostructured materials.

引用

页码：233304 / 1

页数：4

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