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Digital Library of the University of Pardubice
Article . 2002
Data sources: Digital Library of the University of Pardubice
Claim

Investigation of Bi2Te3-Bi2Te3-xSx structures by photovoltage measurements

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2002 Czech Republic English Publisher:Univerzita Pardubice
Authors: Lošťák, Petr; Drašar, Čestmír; Toušek, Jiří; Prokeš, Jan;

handle: 10195/32681

Investigation of Bi2Te3-Bi2Te3-xSx structures by photovoltage measurements

Abstract

The single-crystal structure of Bi2Te3 -Bi2Te3-xSx with a p-n junction was prepared by the heat treatment of p -Bi2Te3 in sulphur vapors.This structure was characterized by the measurement of the photovoltaic effect. The dependence of the photovoltage at 77 K on the wavelenght shows two speaks at 2.8 um (=0.44 eV) and at 1.9 um (=0.65 eV). The higher peak at 2.8 um (=0.44 eV) corresponds to the bandgap (Eg = 0.43 eV) of Bi8Te7S5. It is created probably by the electric field on the p-n junction at the interface of n -Bi8Te7S5 and deeper lying p -Bi2Te3-xSx with x0.15.

Country
Czech Republic
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Keywords

Detekce, Měření, fotonapětí, směsné telluridy, struktura

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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