Thermoelectric properties and mobility activation energy of amorphous As20Se80- xTlx films
Identifieur interne : 000788 ( Pascal/Corpus ); précédent : 000787; suivant : 000789Thermoelectric properties and mobility activation energy of amorphous As20Se80- xTlx films
Auteurs : M. Dongol ; M. M. El-Nahass ; M. Abou-Zied ; A. El-DenglaweySource :
- EPJ. Applied physics : (Print) [ 1286-0042 ] ; 2007.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Thermal evaporation technique was used to prepare As20Se80-xTlx films from bulk materials; (5 ≤ x ≤ 35 at.%). The effect of TI addition on the thermoelectric properties and mobility activation energy of As-Se-Tl chalcogenide semiconductors has been studied in the homogeneous glass-forming region through temperature range (300-380 K). The thermoelectric power, TEP had a positive sign over the whole temperature range investigated, indicating p-type conductivity for As20Se80-xTlx films. TEP activation energy, ΔEs could be calculated from TEP measurements. It was found that ΔEs decreases with increasing Tl-content and is found to vary between 0.814 and 0.517 eV. The mobility activation energy, ΔEQ could be calculated.
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Pour connaître la documentation sur le format Inist Standard.
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Format Inist (serveur)
NO : | PASCAL 07-0180020 INIST |
---|---|
ET : | Thermoelectric properties and mobility activation energy of amorphous As20Se80- xTlx films |
AU : | DONGOL (M.); EL-NAHASS (M. M.); ABOU-ZIED (M.); EL-DENGLAWEY (A.) |
AF : | Physics Department Faculty of Sciences South Valley University, 6 Kilo Road/83523, Qena/Egypte (1 aut., 3 aut., 4 aut.); Physics Department Faculty of Education Ain Shams University/Cairo/Egypte (2 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | EPJ. Applied physics : (Print); ISSN 1286-0042; France; Da. 2007; Vol. 37; No. 3; Pp. 257-260; Bibl. 37 ref. |
LA : | Anglais |
EA : | Thermal evaporation technique was used to prepare As20Se80-xTlx films from bulk materials; (5 ≤ x ≤ 35 at.%). The effect of TI addition on the thermoelectric properties and mobility activation energy of As-Se-Tl chalcogenide semiconductors has been studied in the homogeneous glass-forming region through temperature range (300-380 K). The thermoelectric power, TEP had a positive sign over the whole temperature range investigated, indicating p-type conductivity for As20Se80-xTlx films. TEP activation energy, ΔEs could be calculated from TEP measurements. It was found that ΔEs decreases with increasing Tl-content and is found to vary between 0.814 and 0.517 eV. The mobility activation energy, ΔEQ could be calculated. |
CC : | 001B60A43D; 001B70B15J; 001B70A20G |
FD : | Semiconducteur amorphe; Matériau dopé; Propriété thermoélectrique; Semiconducteur; Composé ternaire; Verre chalcogénure; Effet concentration; Arsenic séléniure; Addition thulium; 6143D; 7215J; 7120G; As20Se(80-x)Tl(x); As Se Tl |
ED : | Amorphous semiconductors; Doped materials; Thermoelectric properties; Semiconductor materials; Ternary compounds; Chalcogenide glasses; Quantity ratio; Arsenic selenides; Thulium additions |
LO : | INIST-26690.354000147193310050 |
ID : | 07-0180020 |
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Pascal:07-0180020Le document en format XML
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Se<sub>80-</sub>
<sub>x</sub>
Tl<sub>x</sub>
films</title>
<author><name sortKey="Dongol, M" sort="Dongol, M" uniqKey="Dongol M" first="M." last="Dongol">M. Dongol</name>
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Se<sub>80-</sub>
<sub>x</sub>
Tl<sub>x</sub>
films</title>
<author><name sortKey="Dongol, M" sort="Dongol, M" uniqKey="Dongol M" first="M." last="Dongol">M. Dongol</name>
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<term>Arsenic séléniure</term>
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<term>6143D</term>
<term>7215J</term>
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<front><div type="abstract" xml:lang="en">Thermal evaporation technique was used to prepare As<sub>20</sub>
Se<sub>80-x</sub>
Tl<sub>x</sub>
films from bulk materials; (5 ≤ x ≤ 35 at.%). The effect of TI addition on the thermoelectric properties and mobility activation energy of As-Se-Tl chalcogenide semiconductors has been studied in the homogeneous glass-forming region through temperature range (300-380 K). The thermoelectric power, TEP had a positive sign over the whole temperature range investigated, indicating p-type conductivity for As<sub>20</sub>
Se<sub>80-x</sub>
Tl<sub>x</sub>
films. TEP activation energy, ΔE<sub>s</sub>
could be calculated from TEP measurements. It was found that ΔE<sub>s</sub>
decreases with increasing Tl-content and is found to vary between 0.814 and 0.517 eV. The mobility activation energy, ΔE<sub>Q</sub>
could be calculated.</div>
</front>
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<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
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Se<sub>80-x</sub>
Tl<sub>x</sub>
films from bulk materials; (5 ≤ x ≤ 35 at.%). The effect of TI addition on the thermoelectric properties and mobility activation energy of As-Se-Tl chalcogenide semiconductors has been studied in the homogeneous glass-forming region through temperature range (300-380 K). The thermoelectric power, TEP had a positive sign over the whole temperature range investigated, indicating p-type conductivity for As<sub>20</sub>
Se<sub>80-x</sub>
Tl<sub>x</sub>
films. TEP activation energy, ΔE<sub>s</sub>
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<server><NO>PASCAL 07-0180020 INIST</NO>
<ET>Thermoelectric properties and mobility activation energy of amorphous As<sub>20</sub>
Se<sub>80-</sub>
<sub>x</sub>
Tl<sub>x</sub>
films</ET>
<AU>DONGOL (M.); EL-NAHASS (M. M.); ABOU-ZIED (M.); EL-DENGLAWEY (A.)</AU>
<AF>Physics Department Faculty of Sciences South Valley University, 6 Kilo Road/83523, Qena/Egypte (1 aut., 3 aut., 4 aut.); Physics Department Faculty of Education Ain Shams University/Cairo/Egypte (2 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>EPJ. Applied physics : (Print); ISSN 1286-0042; France; Da. 2007; Vol. 37; No. 3; Pp. 257-260; Bibl. 37 ref.</SO>
<LA>Anglais</LA>
<EA>Thermal evaporation technique was used to prepare As<sub>20</sub>
Se<sub>80-x</sub>
Tl<sub>x</sub>
films from bulk materials; (5 ≤ x ≤ 35 at.%). The effect of TI addition on the thermoelectric properties and mobility activation energy of As-Se-Tl chalcogenide semiconductors has been studied in the homogeneous glass-forming region through temperature range (300-380 K). The thermoelectric power, TEP had a positive sign over the whole temperature range investigated, indicating p-type conductivity for As<sub>20</sub>
Se<sub>80-x</sub>
Tl<sub>x</sub>
films. TEP activation energy, ΔE<sub>s</sub>
could be calculated from TEP measurements. It was found that ΔE<sub>s</sub>
decreases with increasing Tl-content and is found to vary between 0.814 and 0.517 eV. The mobility activation energy, ΔE<sub>Q</sub>
could be calculated.</EA>
<CC>001B60A43D; 001B70B15J; 001B70A20G</CC>
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<ED>Amorphous semiconductors; Doped materials; Thermoelectric properties; Semiconductor materials; Ternary compounds; Chalcogenide glasses; Quantity ratio; Arsenic selenides; Thulium additions</ED>
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