TITLE

# Chemical reactions at Cu/ZnS(001) and In/ZnS(001) heterojunctions: A comparison of photoelectron and S L2,3 x-ray emission spectroscopy

AUTHOR(S)
Zhang, L.; Wett, D.; Schulze, D.; Szargan, R.; Nagel, M.; Peisert, H.; Chassé, T.
PUB. DATE
January 2005
SOURCE
Applied Physics Letters;1/3/2005, Vol. 86 Issue 1, p012108
SOURCE TYPE
DOC. TYPE
Article
ABSTRACT
Occurrence and extent of chemical reactions at Cu/ZnS(001) and In/ZnS(001) heterojunctions have been investigated by S L2,3 x-ray emission spectroscopy as well as photoelectron spectroscopy. With the formation of metal-sulfur bonds, spectral features originating from shallow metal d core levels (Zn 3d, In 4d) or valence states (Cu 3d)) may appear in the S L2,3 emission spectra. Thus the x-ray emission spectroscopy was employed to detect chemical reactions at the heterojunctions, together with conventional photoelectron spectroscopy. Considerable reactions at the Cu/ZnS(001) interface are more clearly indicated in the S L emission spectrum than in the Cu 2p3/2 or S 2p core level spectra, whereas relatively confined reactions at the In/ZnS(001) interface can only be probed in the In 3d5/2 core level spectra. The partial densities of states calculated for a reference CuInS2 on the basis of density functional theory agree well with features occurring in its S L2,3 emission spectrum.
ACCESSION #
15593145

## Related Articles

• High resolution x-ray photoelectron spectroscopy study of Cr(CO)6 in the gas phase. Nilsson, A.; Mårtensson, N.; Svensson, S.; Karlsson, L.; Nordfors, D.; Gelius, U.; Ågren, H. // Journal of Chemical Physics;6/15/1992, Vol. 96 Issue 12, p8770

The gas phase high resolution x-ray photoelectron spectra of the Cr(CO)6 metal complex are presented. The valence electron spectrum and the core level spectra including the associated satellite structures from the Cr, C, and O atoms are discussed. Comparison to free CO and to CO adsorbed on...

• Dissociative photodetachment dynamics of the iodide-aniline cluster. Bowen, M. Shane; Becucci, Maurizio; Continetti, Robert E. // Journal of Chemical Physics;10/7/2006, Vol. 125 Issue 13, p133309

The photodetachment dynamics of the iodide-aniline cluster, I-(C6H5NH2), were investigated using photoelectron-photofragment coincidence spectroscopy at several photon energies between 3.60 and 4.82 eV in concert with density functional theory calculations. Direct photodetachment from the...

• Fluorine ion etching of lead zirconate-titanate thin films. Lau, W.M.; Bello, I. // Applied Physics Letters;1/17/1994, Vol. 64 Issue 3, p300

Examines the etching reactions of lead zirconate-titanate thin films with fluorine ions. Application of x-ray photoelectron spectroscopy in the process; Use of low energy ion in ion bombardment; Determination of etch yield through ion bombardment and monolayer doses; Depiction of clear lead...

• Reaction of nonaqueous halogen solutions with YBa2Cu3O7-x. Vasquez, R. P.; Foote, M. C.; Hunt, B. D. // Journal of Applied Physics;11/15/1989, Vol. 66 Issue 10, p4866

Deals with a study which investigated the reaction of thin films with nonaqueous solutions using x-ray photoelectron spectroscopy. Problems with high-temperature superconductor and other superconducting cuprates; Methodology of the study; Results and discussion.

• Assignment of photoelectron spectra of (TiO2)n with n=1â€“3. Yuzhen Liu; Yongbo Yuan; Zhoubin Wang; Kaiming Deng; Chuanyun Xiao; Qunxiang Li // Journal of Chemical Physics;5/7/2009, Vol. 130 Issue 17, p174308

This paper reports a comprehensive study of (TiO2)n (n=1â€“3) clusters on their structures, vertical electron affinities (VEA) and adiabatic electron affinities (AEA), and excited states that are further correlated with experimental photoelectron spectra (PES). Local density functional and...

• The value of density measurements in stellar coronae. Ness, Jan-Uwe; Jordan, Carole // AIP Conference Proceedings;2005, Vol. 774 Issue 1, p187

The grating instruments on board Chandra and XMM-Newton now allow measurements of electron densities. These rely on the ratios of fluxes in emission lines, where one line depends on both collisional and radiative decay rates. The electron density is required to constrain the physical extent of...

• High resolution photoemission spectroscopy: Evidence for strong chemical interaction between Mg and 3,4,9,10-perylene-tetracarboxylic dianhydride. Gavrila, G.; Zahn, D. R. T.; Braun, W. // Applied Physics Letters;10/16/2006, Vol. 89 Issue 16, p162102

The interface formation between Mg and 3,4,9,10-perylene-tetracarboxylic dianhydride (PTCDA) was investigated by high resolution soft x-ray photoemission spectroscopy. The interface chemistry was obtained after fitting the core level spectra as a function of Mg thickness. At the initial stage of...

• Investigation of the electronic structure of diphenylsilane using the density functional theory method and X-ray emission spectroscopy. Danilenko, T.; Tatevosyan, M.; Vlasenko, V. // Physics of the Solid State;Oct2012, Vol. 54 Issue 10, p2100

The electronic structure of diphenylsilane PhSiH has been investigated using X-ray emission spectroscopy and quantum-chemical calculations in the approximation of the density functional theory. The $$SiK_{\beta _1 }$$ X-ray emission spectrum of PhSiH has been constructed using the results of...

• Clustering in nondemixing mixtures of repulsive particles. Overduin, Sarah D.; Likos, Christos N. // Journal of Chemical Physics;7/21/2009, Vol. 131 Issue 3, p034902

Using classical density functional theory (DFT), we investigate the phase behavior of binary mixtures, in which the interactions between all particles are described by ultrasoft, repulsive potentials. In the pure case, one of the species, species 2, forms clusters, and freezes into a cluster...

Share