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Gapless quantum spin liquid in the S=1/2 anisotropic kagome antiferromagnet ZnCu3(OH)(6)SO4
Li, YS; Pan, BY; Li, SY; Tong, W; Ling, LS; Yang, ZR; Wang, JF; Chen, ZJ; Wu, ZH; Zhang, QM;陈中军; Wu ZH(吴忠华)
2014
发表期刊NEW JOURNAL OF PHYSICS
卷号16页码:93011
摘要We have successfully synthesized the new S = 1/2 anisotropic kagome antiferromagnet ZnCu3(OH)(6)SO4 and determined its structure by synchrotron x-ray diffraction. No magnetic ordering is observed down to 50 mK, despite a moderately high Weiss temperature of Theta(w)similar to-79 K, indicating that the compound is a new quantum spin liquid (QSL) candidate. A linear temperature dependence of the magnetic heat capacity is found at 6 similar to 15K and below 0.6 K. Temperature-independent intrinsic susceptibilities are observed exactly in both temperature ranges. This consistently suggests a gapless QSL below 0.6 K, which may evolve from an unconventional quantum spin state at higher temperatures (6 similar to 15 K).
关键词quantum spin liquid low-energy excitation kagome antiferromagnet spin frustration
学科领域Physics
DOI10.1088/1367-2630/16/9/093011
收录类别SCI
WOS记录号WOS:000342050400007
引用统计
被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225211
专题多学科研究中心
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GB/T 7714
Li, YS,Pan, BY,Li, SY,et al. Gapless quantum spin liquid in the S=1/2 anisotropic kagome antiferromagnet ZnCu3(OH)(6)SO4[J]. NEW JOURNAL OF PHYSICS,2014,16:93011.
APA Li, YS.,Pan, BY.,Li, SY.,Tong, W.,Ling, LS.,...&吴忠华.(2014).Gapless quantum spin liquid in the S=1/2 anisotropic kagome antiferromagnet ZnCu3(OH)(6)SO4.NEW JOURNAL OF PHYSICS,16,93011.
MLA Li, YS,et al."Gapless quantum spin liquid in the S=1/2 anisotropic kagome antiferromagnet ZnCu3(OH)(6)SO4".NEW JOURNAL OF PHYSICS 16(2014):93011.
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