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dc.contributor.author
Ventosinos, Federico
dc.contributor.author
Longeaud, C.
dc.contributor.author
Schmidt, Javier Alejandro
dc.date.available
2017-01-06T15:18:32Z
dc.date.issued
2012-01
dc.identifier.citation
Ventosinos, Federico; Longeaud, C.; Schmidt, Javier Alejandro; Density of states evaluations from oscillating/moving grating techniques; Elsevier Science; Journal Of Non-crystalline Solids; 358; 17; 1-2012; 2031–2034
dc.identifier.issn
0022-3093
dc.identifier.uri
http://hdl.handle.net/11336/10908
dc.description.abstract
In this paper we first present a comparison between two grating techniques, the oscillating photocarrier grating (OPG) and the moving grating technique (MGT). The common origin of both techniques suggests that they should give the same experimental data. In this work we present measurements performed with both techniques and show their equivalence. Regarding the fact that the OPG method uses a lock-in amplifier to measure the photocurrent, while the MGT uses an electrometer due to its dc nature, we show that these techniques can be used in a complementary way, using the benefits that each one of them offers. Moreover, we present measurements of the density of states (DOS) of an amorphous silicon sample, which were made using a range of temperatures that are only achievable using both techniques. We also present a brief summary of the theory supporting these techniques, and we outline future research to improve the DOS estimation.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
Amorphous Silicon
dc.subject
Grating Techniques
dc.subject
Photoconductivity
dc.subject
Semiconductors
dc.subject.classification
Física de los Materiales Condensados
dc.subject.classification
Ciencias Físicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Density of states evaluations from oscillating/moving grating techniques
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-01-05T15:02:37Z
dc.journal.volume
358
dc.journal.number
17
dc.journal.pagination
2031–2034
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Ventosinos, Federico. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico Para la Industria Química (i); Argentina. Universidad Nacional del Litoral. Facultad de Ingeniería Química; Argentina
dc.description.fil
Fil: Longeaud, C.. Ecole Superieure D; Francia
dc.description.fil
Fil: Schmidt, Javier Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Santa Fe. Instituto de Desarrollo Tecnológico Para la Industria Química (i); Argentina. Universidad Nacional del Litoral. Facultad de Ingeniería Química; Argentina
dc.journal.title
Journal Of Non-crystalline Solids
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.jnoncrysol.2011.12.046
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0022309311007563


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