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| 1.4903802.pdf | 691.29 kB | Adobe PDF | 見る/開く |
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| DCフィールド | 値 | 言語 |
|---|---|---|
| dc.contributor.author | Phuong, L. Q. | en |
| dc.contributor.author | Okano, M. | en |
| dc.contributor.author | Yamada, Y. | en |
| dc.contributor.author | Yamashita, G. | en |
| dc.contributor.author | Morimoto, T. | en |
| dc.contributor.author | Nagai, M. | en |
| dc.contributor.author | Ashida, M. | en |
| dc.contributor.author | Nagaoka, A. | en |
| dc.contributor.author | Yoshino, K. | en |
| dc.contributor.author | Kanemitsu, Y. | en |
| dc.contributor.alternative | 岡野, 真人 | ja |
| dc.contributor.alternative | 金光, 義彦 | ja |
| dc.date.accessioned | 2014-12-11T04:34:01Z | - |
| dc.date.available | 2014-12-11T04:34:01Z | - |
| dc.date.issued | 2014-12-08 | - |
| dc.identifier.issn | 0003-6951 | - |
| dc.identifier.uri | http://hdl.handle.net/2433/192276 | - |
| dc.description.abstract | We studied the dynamics of photogenerated carriers in Cu2ZnSnS4 (CZTS) single crystals using femtosecond transient reflectivity (TR) and optical pump-THz probe transient absorption (THz-TA) spectroscopy. The TR and THz-TA decay dynamics consistently showed that free carriers have long lifetimes of up to a few nanoseconds. The excitation-photon-energy-dependent TR measurements revealed a slow picosecond energy relaxation of free carriers to the band edge in CZTS. The relaxation and recombination dynamics of free carriers were affected by nonradiative recombinations at the surface. Our results revealed a global feature of energy relaxation and recombination processes of free carriers in CZTS single crystals. | en |
| dc.format.mimetype | application/pdf | - |
| dc.language.iso | eng | - |
| dc.publisher | American Institute of Physics | en |
| dc.rights | Copyright 2014 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. | en |
| dc.title | Ultrafast free-carrier dynamics in Cu2ZnSnS4 single crystals studied using femtosecond time-resolved optical spectroscopy | en |
| dc.type | journal article | - |
| dc.type.niitype | Journal Article | - |
| dc.identifier.ncid | AA00543431 | - |
| dc.identifier.jtitle | Applied Physics Letters | en |
| dc.identifier.volume | 105 | - |
| dc.identifier.issue | 23 | - |
| dc.relation.doi | 10.1063/1.4903802 | - |
| dc.textversion | publisher | - |
| dc.identifier.artnum | 231902 | - |
| dcterms.accessRights | open access | - |
| 出現コレクション: | 学術雑誌掲載論文等 | |
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