CAS OpenIR  > 中科院上海应用物理研究所2004-2010年
Dielectric response of soft mode in ferroelectric SrTiO3
Han, JG(韩家广); Wan, F; Zhu, ZY(朱志远); Zhang, WL; Han, JG (reprint author), Oklahoma State Univ, Sch Elect & Comp Engn, Stillwater, OK 74078 USA
2007
Source PublicationAPPLIED PHYSICS LETTERS
ISSN0003-6951
Volume90Issue:3
AbstractThe authors report far-infrared dielectric properties of powder form ferroelectric SrTiO3. Terahertz time-domain spectroscopy (TDS) measurement reveals that the low-frequency dielectric response of SrTiO3 is a consequence of the lowest transverse optical (TO) soft mode TO1 at 2.70 THz (90.0 cm(-1)), which is directly verified by Raman spectroscopy. This result provides a better understanding of the relation of low-frequency dielectric function with the optical phonon soft mode for ferroelectric materials. Combining terahertz TDS with Raman spectra, the overall low-frequency optical phonon response of SrTiO3 is presented in an extended spectral range from 6.7 to 1000.0 cm(-1). (c) 2007 American Institute of Physics.
Subject AreaScience & Technology - Other Topics ; Materials Science
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000243582400004
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/8270
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorHan, JG (reprint author), Oklahoma State Univ, Sch Elect & Comp Engn, Stillwater, OK 74078 USA
Recommended Citation
GB/T 7714
Han, JG,Wan, F,Zhu, ZY,et al. Dielectric response of soft mode in ferroelectric SrTiO3[J]. APPLIED PHYSICS LETTERS,2007,90(3).
APA Han, JG,Wan, F,Zhu, ZY,Zhang, WL,&Han, JG .(2007).Dielectric response of soft mode in ferroelectric SrTiO3.APPLIED PHYSICS LETTERS,90(3).
MLA Han, JG,et al."Dielectric response of soft mode in ferroelectric SrTiO3".APPLIED PHYSICS LETTERS 90.3(2007).
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