We report on the pulsed laser deposition of p-type Bi0.5Sb1.5Te3 thin films onto fused silica substrates by ablation of dense targets of Bi0.5Sb1.5Te3 with an excess of 1 wt% Te. We investigated the effect of film thickness, substrate temperature and post-annealing duration on the thermoelectric properties of the films. Our results show that the best power factor (2780 mu W/K(2)m at 300K) is obtained for films grown at room temperature and then post-annealed in vacuum at 300 degrees C for 16 h. This is among the highest power factor values reported for Bi0.5Sb1.5Te3 films grown on fused silica substrates. (C) 2014 Elsevier B.V. All rights reserved.
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Korea Inst Machinery & Mat, Div Nanomech Syst Res, Taejon 305343, South Korea
Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 440746, South KoreaKorea Inst Machinery & Mat, Div Nanomech Syst Res, Taejon 305343, South Korea
Jeon, Seong-jae
Jeon, Haseok
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Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 440746, South KoreaKorea Inst Machinery & Mat, Div Nanomech Syst Res, Taejon 305343, South Korea
Jeon, Haseok
Na, Sekwon
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Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 440746, South KoreaKorea Inst Machinery & Mat, Div Nanomech Syst Res, Taejon 305343, South Korea
Na, Sekwon
Kang, Stephen D.
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Korea Res Inst Stand & Sci, Taejon 305340, South KoreaKorea Inst Machinery & Mat, Div Nanomech Syst Res, Taejon 305343, South Korea
Kang, Stephen D.
Lyeo, Ho-Ki
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Korea Res Inst Stand & Sci, Taejon 305340, South KoreaKorea Inst Machinery & Mat, Div Nanomech Syst Res, Taejon 305343, South Korea
Lyeo, Ho-Ki
Hyun, Seungmin
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Korea Inst Machinery & Mat, Div Nanomech Syst Res, Taejon 305343, South KoreaKorea Inst Machinery & Mat, Div Nanomech Syst Res, Taejon 305343, South Korea
Hyun, Seungmin
Lee, Hoo-Jeong
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Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 440746, South KoreaKorea Inst Machinery & Mat, Div Nanomech Syst Res, Taejon 305343, South Korea
机构:
Korea Inst Machinery & Mat, Div Nanomech Syst Res, Taejon 305343, South Korea
Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 440746, South KoreaKorea Inst Machinery & Mat, Div Nanomech Syst Res, Taejon 305343, South Korea
Jeon, Seong-jae
Jeon, Haseok
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Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 440746, South KoreaKorea Inst Machinery & Mat, Div Nanomech Syst Res, Taejon 305343, South Korea
Jeon, Haseok
Na, Sekwon
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Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 440746, South KoreaKorea Inst Machinery & Mat, Div Nanomech Syst Res, Taejon 305343, South Korea
Na, Sekwon
Kang, Stephen D.
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Korea Res Inst Stand & Sci, Taejon 305340, South KoreaKorea Inst Machinery & Mat, Div Nanomech Syst Res, Taejon 305343, South Korea
Kang, Stephen D.
Lyeo, Ho-Ki
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Korea Res Inst Stand & Sci, Taejon 305340, South KoreaKorea Inst Machinery & Mat, Div Nanomech Syst Res, Taejon 305343, South Korea
Lyeo, Ho-Ki
Hyun, Seungmin
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Korea Inst Machinery & Mat, Div Nanomech Syst Res, Taejon 305343, South KoreaKorea Inst Machinery & Mat, Div Nanomech Syst Res, Taejon 305343, South Korea
Hyun, Seungmin
Lee, Hoo-Jeong
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Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 440746, South KoreaKorea Inst Machinery & Mat, Div Nanomech Syst Res, Taejon 305343, South Korea