Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/25583
Title: UV Nd:YAG laser ablation of copper: Chemical states in both crater and halo studied by XPS
Authors: Zeng, DW
Yung, KC 
Xie, CS
Keywords: Chemical state
Copper
UV laser ablation
X-ray photoelectron spectroscopy (XPS)
Issue Date: 2003
Publisher: North-Holland
Source: Applied surface science, 2003, v. 217, no. 1-4, p. 170-180 How to cite?
Journal: Applied surface science 
Abstract: Laser ablation of pure copper was performed using a pulsed Nd:YAG laser operating at 355nm in air. Oxide nanoparticles redeposited near the edge of the crater results in the formation of the halo. Chemical states in both crater and halo were measured by X-ray photoelectron spectroscopy (XPS). After UV laser ablation, there are an obvious shoulder around 934.4 eV and a shake up satellite around 942.5 eV for the Cu 2p 3/2 spectra in both crater and halo. Deconvoluting the Cu 2p 3/2 spectra, a component was detected at 933.7 eV corresponding to CuO in both crater and halo as expected. Also, another component at 935.1 eV can be assigned to Cu(OH) 2. The formation of CuO and Cu(OH) 2 is probably due to the reactions of copper with O 2 and water vapor in air. This suggest that the ablation atmosphere plays an important role for the formation of chemical species in both crater and halo. Moreover, an enhanced oxidation in the halo was found at higher fluence: the FWHM of the Cu 2p 3/2 spectra and the peak areas of CuO and Cu(OH) 2 were significantly higher than those in the crater. This is probably due to the formation of the laser-induced plasma. In addition, peak areas of CuO and Cu(OH) 2 in the halo markedly increase with increasing the laser fluence.
URI: http://hdl.handle.net/10397/25583
ISSN: 0169-4332
EISSN: 1873-5584
DOI: 10.1016/S0169-4332(03)00532-4
Appears in Collections:Journal/Magazine Article

Access
View full-text via PolyU eLinks SFX Query
Show full item record

SCOPUSTM   
Citations

42
Last Week
0
Last month
1
Citations as of Aug 17, 2017

WEB OF SCIENCETM
Citations

40
Last Week
0
Last month
0
Citations as of Aug 14, 2017

Page view(s)

68
Last Week
3
Last month
Checked on Aug 13, 2017

Google ScholarTM

Check

Altmetric



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.