Polarized Raman scattering study of blue bronze Tl0.3MoO3
Yin, Di1; Zhang, Qingming2; Oiler, Jonathon3; Li, Changzhen1; Xiong, Rui1; Shi, Jing1,4
Corresponding AuthorShi, Jing(
AbstractTemperature dependent polarized Raman spectra of quasi-one dimensional blue bronze Tl0.3MoO3 are reported on a frequency range 100-1100 cm(-1). Frequency shift and splitting in some modes were observed, revealing the role of the alkali atom. Many new modes emerge at 170 K accompanied by charge density wave (CDW) formation, and show gradual temperature dependent intensity and line-width, implying the second order nature of CDW transition. A frequency "jump" is found for many Raman vibrational modes in Tl0.3MoO3 near 110 K, confirming that the transition from an incommensurate to commensurate state occurs around this temperature. In addition, only three stretching vibration modes of terminal Mo-O bonds are observed for (xx) polarizations from 800 to 1100 cm(-1) at 300 K; new modes appear only when the temperature drops below 110 K and are ascribed to the splitting of the mode at 931 cm(-1) due to commensurate state formation. (C) 2010 Elsevier B.V. All rights reserved.
KeywordBlue bronze Tl0.3MoO3 Charge density wave Raman spectra Transition
Funding OrganizationChinese National Foundation of Natural Science ; 973 Program
Indexed BySCI
Funding ProjectChinese National Foundation of Natural Science[10674105] ; 973 Program[200903939700]
WOS Research AreaPhysics
WOS SubjectPhysics, Condensed Matter
WOS IDWOS:000280897500053
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorShi, Jing
Affiliation1.Wuhan Univ, Dept Phys, Key Lab Acoust & Photon Mat & Devices, Minist Educ,Hubei Key Lab Organ & Polymer Optoele, Wuhan 430072, Peoples R China
2.Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China
3.Arizona State Univ, Sch Earth & Space Explorat, Tempe, AZ 85281 USA
4.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Yin, Di,Zhang, Qingming,Oiler, Jonathon,et al. Polarized Raman scattering study of blue bronze Tl0.3MoO3[J]. PHYSICA B-CONDENSED MATTER,2010,405(17):3782-3786.
APA Yin, Di,Zhang, Qingming,Oiler, Jonathon,Li, Changzhen,Xiong, Rui,&Shi, Jing.(2010).Polarized Raman scattering study of blue bronze Tl0.3MoO3.PHYSICA B-CONDENSED MATTER,405(17),3782-3786.
MLA Yin, Di,et al."Polarized Raman scattering study of blue bronze Tl0.3MoO3".PHYSICA B-CONDENSED MATTER 405.17(2010):3782-3786.
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