X-Ray Photoelectron Spectroscopy Study of the Metal/Cermet Interface
LU Hua 1 , SHEN Dian-Hong 1 , XUE Qi-Kun 1 , M. Polak 2 , N. Froumin 2
Department of Materials Engineering, Ben-Gurion University of the Negev, Israel
X-Ray Photoelectron Spectroscopy Study of the Metal/Cermet Interface
LU Hua 1 ;SHEN Dian-Hong 1 ;XUE Qi-Kun 1 ;M. Polak 2 ;N. Froumin 2
Department of Materials Engineering, Ben-Gurion University of the Negev, Israel
关键词 ：
68.35.-p ,
79.60.-i ,
73.20.-r
Abstract ： Interfacial reactions between aluminium and polycrystalline cermet TiC0.6 were investigated using x-ray photoelectron spectroscopy, Auger electron spectroscopy and x-ray diffraction. It was found that titanium exists in two chemical states. The carbide and oxide of titanium can be detected simultaneously, and the atomic ratio of Ti:C:O is 5:3:2. This suggests that TiC0.6 is a Ti-oxycarbide or oxygenated TiC composite: Ti5 C3 O2 (TiO2 +4TiC0.75 ). When Al is deposited in vacuum on the Ti-oxycarbide surface, the active Al atoms react chemically only with TiO2 at room temperature, but not with Tic0.75 in Ti-oxycarbide. The reaction products are Al2 O3 and the intermetallic compound Al3 Ti. Annealing the Al/TiC0.6 interface at 750°C Al reacts also with TiC0.75 to form a brittle Al4 C3 phase.
Key words ：
68.35.-p
79.60.-i
73.20.-r
出版日期: 2001-01-01
:
68.35.-p
(Solid surfaces and solid-solid interfaces: structure and energetics)
79.60.-i
(Photoemission and photoelectron spectra)
73.20.-r
(Electron states at surfaces and interfaces)
引用本文:
LU Hua;SHEN Dian-Hong;XUE Qi-Kun;M. Polak;N. Froumin. X-Ray Photoelectron Spectroscopy Study of the Metal/Cermet Interface[J]. 中国物理快报, 2001, 18(1): 94-96.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2001/V18/I1/94
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