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| Presentation | 2012-01-26 14:20 Imaging of anisotropic photo-induced current on semiconductors using laser-SQUID microscopy Takashi Hino, Yoshihiro Nakatani, Yuji Miyato, Hideo Itozaki (Osaka Univ.)  SCE2011-25 Link to ES Tech. Rep. Archives: SCE2011-25 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Photocurrent flows from a point where a semiconductor, a polycrystalline silicon solar cell, is irradiated by a focused laser. A laser-SQUID microscope detects the magnetic field from the photocurrent by means of a SQUID (Superconducting QUantum Interference Device). A polycrystalline silicon solar cell was evaluated without contact using the laser-SQUID microscope. We previously scanned a sample by moving a sample while a laser and a SQUID are fixed in one point, but in this paper by fixing only the SQUID in one point we obtained a magnetic field from a peripheral part where the laser is irradiated .This also led to obtain a current distribution image by inferring an inverse problem. As a result, we confirmed a current flows and diffuse through an electrode which exits on the surface of the solar cell. This indicates that carriers produced by laser irradiation concentrates on the electrodes. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Laser / SQUID / Microscope / Non-contact / Polycrystalline / Solar cell / Electrode / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 418, SCE2011-25, pp. 35-39, Jan. 2012. | |
| Paper # | SCE2011-25 | |
| Date of Issue | 2012-01-19 (SCE) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
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| Download PDF | SCE2011-25 Link to ES Tech. Rep. Archives: SCE2011-25 |
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| Conference Information | |
| Committee | SCE |
| Conference Date | 2012-01-26 - 2012-01-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. B3-2 |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Superconducting sensing technologies and their applications, etc. |
| Paper Information | |
| Registration To | SCE |
| Conference Code | 2012-01-SCE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Imaging of anisotropic photo-induced current on semiconductors using laser-SQUID microscopy |
| Sub Title (in English) | |
| Keyword(1) | Laser |
| Keyword(2) | SQUID |
| Keyword(3) | Microscope |
| Keyword(4) | Non-contact |
| Keyword(5) | Polycrystalline |
| Keyword(6) | Solar cell |
| Keyword(7) | Electrode |
| Keyword(8) | |
| 1st Author's Name | Takashi Hino |
| 1st Author's Affiliation | Osaka University (Osaka Univ.) |
| 2nd Author's Name | Yoshihiro Nakatani |
| 2nd Author's Affiliation | Osaka University (Osaka Univ.) |
| 3rd Author's Name | Yuji Miyato |
| 3rd Author's Affiliation | Osaka University (Osaka Univ.) |
| 4th Author's Name | Hideo Itozaki |
| 4th Author's Affiliation | Osaka University (Osaka Univ.) |
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| Speaker | Author-1 |
| Date Time | 2012-01-26 14:20:00 |
| Presentation Time | 25 minutes |
| Registration for | SCE |
| Paper # | SCE2011-25 |
| Volume (vol) | vol.111 |
| Number (no) | no.418 |
| Page | pp.35-39 |
| #Pages | 5 |
| Date of Issue | 2012-01-19 (SCE) |
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