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Blue and infrared cathodoluminescence induced by carbon-irradiation in SrTiO3 single crystal |
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| Authors: | JaeHoon Rho SangWon Shin Miyoung Kim Eunjip Choi |
| Institution: | a Department of Physics, University of Seoul, Seoul 130-743, Republic of Korea b Nanoscale Analysis Center, Korea Institute of Science and Technology, 136-750, Republic of Korea c School of Materials Science and Engineering, Seoul National University, Seoul 151-744, Republic of Korea |
| Abstract: | We show that blue-CL  can be induced in SrTiO3 single crystal at room temperature by irradiating it with 60 KeV carbon ion (C−) beam. An infrared CL-emission  is induced simultaneously. Transmission electron microscopy (TEM) measurement exhibits an 200 nm thick surface layer formed by the C− irradiation. We show that the emitting region can be patterned into any desired shape by fabricating the STO surface using Pt-based micro-lithography technique. |
| Keywords: | SrTiO3 Cathodoluminescence Ion bean Photoluminescence |
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