322,910 research outputs found
“Investigation on the thickness dependence of the electrical characteristics of a monolayer polymeric LED” - PRESENTING AUTHOR
No full textGestion de l'espace rural, des pratiques aux modèles (Éditorial)
No full textDeffontaines Jean-Pierre, Cheylan Jean-Paul, Lardon Sylvie. Gestion de l’espace rural, des pratiques aux modèles (Éditorial). In: Mappemonde, 1990/4. Gestion de l’espace rural, des pratiques aux modèles. p. 1
Les chorèmes: un outil pour l'étude de l'activité agricole dans l'espace rural
No full textDeffontaines Jean-Pierre, Cheylan Jean-Paul, Lardon Sylvie, Théry Hervé. Les chorèmes: un outil pour l’étude de l’activité agricole dans l’espace rural. In: Mappemonde, 1990/4. Gestion de l’espace rural, des pratiques aux modèles. pp. 2-4
“Single layer organic light emitting diode based on a thiophene polymer with a cyano group” - PRESENTING AUTHOR
No full textDiffusive author(s), cohesive author: Analysis of S/N (1994)
No full textThis study indicates the ways in which various aspects of the author(s) are brought forth in Dumb type’s performance art, the S/N production. Previous research has suggested a non-hierarchical organization of Dumb type and the absence of a “privileged author” in Dumb type’s collaborative work, S/N. However, the results that I have investigated from member’s interviews on the creative process of S/N along with my analysis of the recorded images of S/N, indicate a different aspect of the author(s). First, S/N was created through, so to speak, the collective ideas of the members of Dumb type. Further, S/N has at least nine quotations from previous performances, installations, and printed writings, besides the work-in-progress technique. Explicating one of the “author functions” as given by Michel Foucault, each text has plural subjects of the author. However, it has been revealed from members’ interviews that Teiji Furuhashi had a decision-making role in selecting the members’ ideas within the performance. Since then, S/N has had plural subjects of creation; however, Furuhashi is one of the subjects of creation along with the “privileged author.” S/N has plural authors (diffusive authors) yet at the same time, it has a “privileged author,” Teiji Furuhashi (cohesive author)
Going Beyond Counting First Authors in Author Co-citation Analysis
No full textThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Optical gain in conjugated polymer hybrid structures based on porous silicon waveguides
No full textThe fabrication and optical characterization of a hybrid waveguide formed by a MDMO-PPV semiconductor layer deposited on a porous silicon cladding is reported. Evidence of amplified spontaneous emission is observed when the intensity of the excitation pump pulses is higher than a certain threshold. A net gain coefficient of about 50 ± 8 cm-1 is estimated, which is similar to those reported for other PPV derivate conjugated polymers. The demonstration of positive optical gain in these hetero-structures is very promising because new photonic structures could be envisaged due to the versatility of the porous silicon cladding
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