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X-ray-absorption fine-structure study of ZnSexTe1−x alloys

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X-ray-absorption fine-structure study of ZnSexTe1−x alloys

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dc.contributor.author	Pellicer Porres, Julio
dc.contributor.author	Polian, A.
dc.contributor.author	Segura García del Río, Alfredo
dc.contributor.author	Muñoz Sanjosé, Vicente
dc.contributor.author	Di Cicco, A.
dc.contributor.author	Traverse, A.
dc.date.accessioned	2010-06-02T10:42:10Z
dc.date.available	2010-06-02T10:42:10Z
dc.date.issued	2004
dc.identifier.citation	PELLICER-PORRES, J. ; POLIAN, A. ; SEGURA, A. ; MUÑOZ, V. ; DI CICCO, A. ; TRAVERSE, A. X-ray-absorption fine-structure study of ZnSexTe1−x alloys. En: Journal of Applied Physics, 2004, vol. 96	en
dc.identifier.uri	http://hdl.handle.net/10550/12836
dc.description.abstract	X-ray-absorption fine-structure experiments at different temperatures in ZnSexTe1−x (x=0, 0.1, 0.2, 0.55, 0.81, 0.93, 0.99, and 1.0) have been performed in order to obtain information about the structural relaxation and disorder effects occurring in the alloys. First and second neighbor distance distributions have been characterized at the Se and Zn K edges, using multiple-edge and multiple-scattering data analysis. The first neighbor distance distribution was found to be bimodal. The static disorder associated with the Zn–Te distance variance did not depend appreciably on composition. On the other hand, the static disorder associated with the Zn–Se distance increased as the Se content diminished. Using the bonding angle information provided by our experiments the point of view of the anion has been related to that of the cation. The resulting structural model indicates that Zn tetrahedra surrounding the anions remain essentially undistorted, but forced to tilt from their ideal zincblende orientation to accommodate the minority element. The main origin of structural disorder is suggested.	en_US
dc.language.iso	en	en
dc.subject	Zinc compounds ; Semiconductor materials ; Order-disorder transformations ; Stoichiometry ; X-ray absorption spectra ; Debye-Waller factors ; II-VI semiconductors ; Crystal structure	en
dc.title	X-ray-absorption fine-structure study of ZnSexTe1−x alloys	en
dc.type	journal article	es_ES
dc.subject.unesco	UNESCO::FÍSICA	en
dc.identifier.doi	10.1063/1.1763989	en
dc.identifier.idgrec	012171	en
dc.type.hasVersion	VoR	es_ES
dc.identifier.url	http://scitation.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=JAPIAU000096000003001491000001&idtype=cvips&prog=normal&doi=10.1063/1.1763989	en