GSTDTAP  > 地球科学
DOI10.1126/science.aan6286
Evidence for a quantum dipole liquid state in an organic quasi-two-dimensional material
Hassan, Nora1,2; Cunningham, Streit1,2; Mourigal, Martin3; Zhilyaeva, Elena I.4; Torunova, Svetlana A.4; Lyubovskaya, Rimma N.4; Schlueter, John A.5,6; Drichko, Natalia1,2
2018-06-08
发表期刊SCIENCE
ISSN0036-8075
EISSN1095-9203
出版年2018
卷号360期号:6393页码:1101-1104
文章类型Article
语种英语
国家USA; Russia
英文摘要

Mott insulators are commonly pictured with electrons localized on lattice sites, with their low-energy degrees of freedom involving spins only. Here, we observe emergent charge degrees of freedom in a molecule-based Mott insulator kappa-(BEDT-TTF)(2)Hg(SCN)(2)Br, resulting in a quantum dipole liquid state. Electrons localized on molecular dimer lattice sites form electric dipoles that do not order at low temperatures and fluctuate with frequency detected experimentally in our Raman spectroscopy experiments. The heat capacity and Raman scattering response are consistent with a scenario in which the composite spin and electric dipole degrees of freedom remain fluctuating down to the lowest measured temperatures.


领域地球科学 ; 气候变化 ; 资源环境
收录类别SCI-E
WOS记录号WOS:000434635500041
WOS关键词THERMODYNAMIC PROPERTIES ; CONDUCTORS ; SUPERCONDUCTIVITY ; SCATTERING ; METALS ; SALTS ; RAMAN
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/198850
专题地球科学
资源环境科学
气候变化
作者单位1.Johns Hopkins Univ, Inst Quantum Matter, Baltimore, MD 21218 USA;
2.Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA;
3.Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA;
4.Inst Problems Chem Phys, Chernogolovka, Russia;
5.Natl Sci Fdn, Div Mat Res, Alexandria, VA 22314 USA;
6.Argonne Natl Lab, Div Mat Sci, 9700 S Cass Ave, Argonne, IL 60439 USA
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GB/T 7714
Hassan, Nora,Cunningham, Streit,Mourigal, Martin,et al. Evidence for a quantum dipole liquid state in an organic quasi-two-dimensional material[J]. SCIENCE,2018,360(6393):1101-1104.
APA Hassan, Nora.,Cunningham, Streit.,Mourigal, Martin.,Zhilyaeva, Elena I..,Torunova, Svetlana A..,...&Drichko, Natalia.(2018).Evidence for a quantum dipole liquid state in an organic quasi-two-dimensional material.SCIENCE,360(6393),1101-1104.
MLA Hassan, Nora,et al."Evidence for a quantum dipole liquid state in an organic quasi-two-dimensional material".SCIENCE 360.6393(2018):1101-1104.
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