CAS OpenIR  > 中科院上海应用物理研究所2004-2010年
Dielectric response in ferroelectric BaTiO3
Wan, F; Han, JG; Zhu, ZY(朱志远); Wan, F (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Source PublicationPHYSICS LETTERS A
AbstractThe far-infrared optical and dielectric properties of ferroelectric perovskite titanate powder BaTiO3 are reported. The terahertz time-domain spectroscopy (THz-TDS) measurement reveals that the low frequency dielectric response of BaTiO3 is closely related to the lowest pair of transverse optical (TO) and longitudinal optical (LO) modes near at 180 cm(-1), which is verified by Raman spectroscopy. This result provides a better understanding of the relation of low-frequency dielectric function with the optical phonon mode for ferroelectric materials. Combining terahertz TDS with Raman spectra, the overall low frequency optical phonon response of BaTiO3 is presented in an extended spectral range from 6.7 to 1200 cm(-1). (c) 2007 Elsevier B.V. All rights reserved.
Subject AreaPhysics
Indexed BySCI
Funding Project应物所项目组
WOS IDWOS:000254370800037
Citation statistics
Document Type期刊论文
Corresponding AuthorWan, F (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Wan, F,Han, JG,Zhu, ZY,et al. Dielectric response in ferroelectric BaTiO3[J]. PHYSICS LETTERS A,2008,372(12):2137.
APA Wan, F,Han, JG,Zhu, ZY,&Wan, F .(2008).Dielectric response in ferroelectric BaTiO3.PHYSICS LETTERS A,372(12),2137.
MLA Wan, F,et al."Dielectric response in ferroelectric BaTiO3".PHYSICS LETTERS A 372.12(2008):2137.
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