| Presentation | 2008-05-16 Effect of strain relaxation process on polarization in strained superlattice spin-polarized photocathode Yuya Maeda, Xiuguang Jin, Masatoshi Tanioku, Shingo Fuchi, Toru Ujihara, Yoshikazu Takeda, Naoto Yamamoto, Atsushi Mano, Yasuhide Nakagawa, Masahiro Yamamoto, Shoji Okumi, Tsutomu Nakanishi, Takashi Saka, Hiromichi Horinaka, Toshihiro Kato, Tsuneo Yasue, Takanori Koshikawa, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | We successfully developed a super-high brightness and high-spin-polarization electron source based on GaAs/GaAsP strain superlattice. In the development, we found out that the polarization of superlattice grown on a GaP substrate was lower than that on a GaAs substrate, and inserting a GaAs interlayer on a GaP substrate improved the polarization. From a viewpoint of strain relaxation process in a GaAsP buffer layer, the mechanism of polarization degradation was investigated. The buffer layer with in-plain tensile strain is relaxed by inducing some cracks. On the other hand, the buffer layer with in-plain compressive strain is relaxed by inducing some dislocations. The dislocations disturb a spin of electron in the sample more effectively than the cracks do. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | superlattice / lattice-mismatch / spin-polarization / photocathode |
| Paper # | ED2008-16,CPM2008-24,SDM2008-36 |
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| Conference Information | |
| Committee | CPM |
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| Conference Date | 2008/5/8(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | |
| Vice Chair | |
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| Paper Information | |
| Registration To | Component Parts and Materials (CPM) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Effect of strain relaxation process on polarization in strained superlattice spin-polarized photocathode |
| Sub Title (in English) | |
| Keyword(1) | superlattice |
| Keyword(2) | lattice-mismatch |
| Keyword(3) | spin-polarization |
| Keyword(4) | photocathode |
| 1st Author's Name | Yuya Maeda |
| 1st Author's Affiliation | Graduate School of Engineering, Nagoya University() |
| 2nd Author's Name | Xiuguang Jin |
| 2nd Author's Affiliation | Graduate School of Engineering, Nagoya University |
| 3rd Author's Name | Masatoshi Tanioku |
| 3rd Author's Affiliation | Graduate School of Engineering, Nagoya University |
| 4th Author's Name | Shingo Fuchi |
| 4th Author's Affiliation | Graduate School of Engineering, Nagoya University |
| 5th Author's Name | Toru Ujihara |
| 5th Author's Affiliation | Graduate School of Engineering, Nagoya University |
| 6th Author's Name | Yoshikazu Takeda |
| 6th Author's Affiliation | Graduate School of Engineering, Nagoya University |
| 7th Author's Name | Naoto Yamamoto |
| 7th Author's Affiliation | Graduate School of Science, Nagoya University |
| 8th Author's Name | Atsushi Mano |
| 8th Author's Affiliation | Graduate School of Science, Nagoya University |
| 9th Author's Name | Yasuhide Nakagawa |
| 9th Author's Affiliation | Graduate School of Science, Nagoya University |
| 10th Author's Name | Masahiro Yamamoto |
| 10th Author's Affiliation | Graduate School of Science, Nagoya University |
| 11th Author's Name | Shoji Okumi |
| 11th Author's Affiliation | Graduate School of Science, Nagoya University |
| 12th Author's Name | Tsutomu Nakanishi |
| 12th Author's Affiliation | Graduate School of Science, Nagoya University |
| 13th Author's Name | Takashi Saka |
| 13th Author's Affiliation | School of Engineering, Daido Institute of Technology |
| 14th Author's Name | Hiromichi Horinaka |
| 14th Author's Affiliation | Graduate School of Engineering, Osaka Prefecture University |
| 15th Author's Name | Toshihiro Kato |
| 15th Author's Affiliation | Daido Steel Co., Ltd. |
| 16th Author's Name | Tsuneo Yasue |
| 16th Author's Affiliation | Fundamental Electronics Research Institute, Academic Frontier Promotion Center, Osaka Electro-Communication University |
| 17th Author's Name | Takanori Koshikawa |
| 17th Author's Affiliation | Fundamental Electronics Research Institute, Academic Frontier Promotion Center, Osaka Electro-Communication University |
| Date | 2008-05-16 |
| Paper # | ED2008-16,CPM2008-24,SDM2008-36 |
| Volume (vol) | vol.108 |
| Number (no) | 35 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |