| Near-infrared femtosecond laser for studying the strain in si1-xgex alloy films via second-harmonic generation | |
| Zhao, Ji-Hong1; Cheng, Bu-Wen2; Chen, Qi-Dai1; Su, Wen1; Jiang, Ying1; Chen, Zhan-Guo1; Jia, Gang1; Sun, Hong-Bo1,3 | |
| 刊名 | Ieee photonics journal
 |
| 2010-12-01 | |
| 卷号 | 2期号:6页码:974-980 |
| 关键词 | Femtosecond laser Si1-xgex alloy Strain Second-harmonic generation Crystal symmetry |
| ISSN号 | 1943-0655 |
| DOI | 10.1109/jphot.2010.2089976 |
| 通讯作者 | Sun, hong-bo(hbsun@jlu.edu.cn) |
| 英文摘要 | The second-harmonic generation (shg) from si1-xgex alloy films has been investigated by near-infrared femtosecond laser. recognized by s-out polarized shg intensity versus rotational angle of sample, the crystal symmetry of the fully strained si0.83ge0.17 alloy is found changed from the o-h to the c-2 point group due to the inhomogeneity of the strain. calibrated by double crystal x-ray diffraction, the strain-induced chi((2)) is estimated at 5.7 x 10(-7) esu. according to the analysis on p-in/s-out shg, the strain-relaxed si0.10ge0.90 alloy film is confirmed to be not fully relaxed, and the remaining strain is quantitatively determined to be around 0.1%. |
| WOS关键词 | CUBIC CENTROSYMMETRIC CRYSTALS ; 3RD-HARMONIC GENERATION ; PHENOMENOLOGICAL THEORY ; LAYERS ; SUPERLATTICES ; HETEROSTRUCTURES ; SUSCEPTIBILITY ; SPECTROSCOPY ; DEFORMATION ; REFLECTION |
| WOS研究方向 | Engineering ; Optics ; Physics |
| WOS类目 | Engineering, Electrical & Electronic ; Optics ; Physics, Applied |
| 语种 | 英语 |
| 出版者 | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC |
| WOS记录号 | WOS:000284357600001 |
| 内容类型 | 期刊论文 |
| URI标识 | http://www.corc.org.cn/handle/1471x/2427932 |
| 专题 | 半导体研究所 |
| 通讯作者 | Sun, Hong-Bo |
| 作者单位 | 1.Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130023, Peoples R China 2.Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China 3.Jilin Univ, Coll Phys, Changchun 130012, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhao, Ji-Hong,Cheng, Bu-Wen,Chen, Qi-Dai,et al. Near-infrared femtosecond laser for studying the strain in si1-xgex alloy films via second-harmonic generation[J]. Ieee photonics journal,2010,2(6):974-980. |
| APA | Zhao, Ji-Hong.,Cheng, Bu-Wen.,Chen, Qi-Dai.,Su, Wen.,Jiang, Ying.,...&Sun, Hong-Bo.(2010).Near-infrared femtosecond laser for studying the strain in si1-xgex alloy films via second-harmonic generation.Ieee photonics journal,2(6),974-980. |
| MLA | Zhao, Ji-Hong,et al."Near-infrared femtosecond laser for studying the strain in si1-xgex alloy films via second-harmonic generation".Ieee photonics journal 2.6(2010):974-980. |
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