Terahertz spectroscopy of central and soft phonon modes in LuFe2O4

doi:10.1007/s00339-009-5315-y

IMR OpenIR

	Terahertz spectroscopy of central and soft phonon modes in LuFe2O4
	Li, S. Z.1,2; Luo, S. J.1,2; Fu, R.3; Jin, B. B.3; Wang, K. F.1,2; Liu, J. -M.1,2; Ding, J. F.4; Li, X. G.4
通讯作者	Liu, J. -M.(liujm@nju.edu.cn)
	2009-09-01
发表期刊	APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
ISSN	0947-8396
卷号	96 期号:4 页码:893-898
摘要	The terahertz dielectric response of LuFe2O4 is investigated by terahertz time-domain spectroscopy over a temperature range of 6-290 K. It is revealed that besides the central mode associated with the charge-ordered state, a soft TO1 mode at below similar to 240 K is identified indicating the existence of displacing ferroelectricity, in addition to the charge-ordering-induced ferroelectricity at below 320 K. The anomaly of the soft mode at similar to 180 K reflects the magnetoelectric correlation between the soft TO1 mode and the spin/charge fluctuations revealed recently. Finally, the magnetic property at below similar to 240 K is discussed.
资助者	National Natural Science Foundation of China ; National Key Program for Basic Researches of China ; Program for New Century Excellent Talents in University ; Jiangsu Natural Science Foundation of China
DOI	10.1007/s00339-009-5315-y
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[50832002] ; National Natural Science Foundation of China[50832007] ; National Key Program for Basic Researches of China[2009CB929501] ; National Key Program for Basic Researches of China[2009CB623303] ; Program for New Century Excellent Talents in University[2007CB310404] ; Jiangsu Natural Science Foundation of China[BK2008024]
WOS研究方向	Materials Science ; Physics
WOS类目	Materials Science, Multidisciplinary ; Physics, Applied
WOS记录号	WOS:000268293100014
出版者	SPRINGER
引用统计	被引频次：13[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/96525
专题	中国科学院金属研究所
通讯作者	Liu, J. -M.
作者单位	1.Nanjing Univ, Nanjing Natl Lab Microstruct, Nanjing 210093, Peoples R China 2.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang, Peoples R China 3.Nanjing Univ, Dept Elect Sci & Engn, Nanjing 210093, Peoples R China 4.Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscales, Hefei 230026, Peoples R China
推荐引用方式 GB/T 7714	Li, S. Z.,Luo, S. J.,Fu, R.,et al. Terahertz spectroscopy of central and soft phonon modes in LuFe2O4[J]. APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING,2009,96(4):893-898.
APA	Li, S. Z..,Luo, S. J..,Fu, R..,Jin, B. B..,Wang, K. F..,...&Li, X. G..(2009).Terahertz spectroscopy of central and soft phonon modes in LuFe2O4.APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING,96(4),893-898.
MLA	Li, S. Z.,et al."Terahertz spectroscopy of central and soft phonon modes in LuFe2O4".APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING 96.4(2009):893-898.