| 학회 |
한국재료학회 |
| 학술대회 |
2013년 봄 (05/23 ~ 05/24, 여수 엠블호텔(THE MVL)) |
| 권호 |
19권 1호 |
| 발표분야 |
A. 전자/반도체 재료(Electronic and Semiconductor Materials) |
| 제목 |
Evolution of dielectric property in SrTiO3 based superlattice |
| 초록 |
We investigated dimensionality effect in delta doping oxide structure, represented by [(Sr1-x,Lax)TiO3]1/[SrTiO3]n superlattices using Impedance Spectroscopy (IS). Analysis of impedance response allows us to observe the dielectric property of film. In previous study, we have found that Metal-Insulator transition with increasing STO layer (n). These phenomena are observed in IS experiment results as well. Further, we have detected significant differences between metallic and insulating phases. We discuss here this transition behavior in terms of the tunable dimensionality of doped charge from three dimension to two dimension. |
| 저자 |
Minsu Choi1, Euiyoung Choi1, Yun Li1, Jaedu Choi1, Jiwon Seo1, Meng Gu2, Yayoi Takamura2, Yayoi Takamura3, Panagopoulos Christos4, Warren E. Pickett2, Jaichan Lee1
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| 소속 |
1Sungkyunkwan Univ., 2Univ. of California, 3Soongsil Univ., 4Nanyang Technological Univ. |
| 키워드 |
Superlattice; Impedance spectroscopy
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| E-Mail |
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