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Gapless quantum spin liquid in the S=1/2 anisotropic kagome antiferromagnet ZnCu3(OH)(6)SO4
文献类型:期刊
作者:Li, Yuesheng[1]  Pan, Bingying[2]  Li, Shiyan[3]  Tong, Wei[4]  Ling, Langsheng[5]  Yang, Zhaorong[6]  Wang, Junfeng[7]  Chen, Zhongjun[8]  Wu, Zhonghua[9]  Zhang, Qingming[10]  
机构:[1]Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China.;
[2]Fudan Univ, Dept Phys, State Key Lab Surface Phys, Shanghai 200433, Peoples R China.,Fudan Univ, Adv Mat Lab, Shanghai 200433, Peoples R China.;
[3]Fudan Univ, Dept Phys, State Key Lab Surface Phys, Shanghai 200433, Peoples R China.,Fudan Univ, Adv Mat Lab, Shanghai 200433, Peoples R China.;
[4]Chinese Acad Sci, Hefei Inst Phys Sci, High Field Magnet Lab, Hefei 230031, Peoples R China.;
[5]Chinese Acad Sci, Hefei Inst Phys Sci, High Field Magnet Lab, Hefei 230031, Peoples R China.;
[6]Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China.;
[7]Wuhan Natl High Magnet Field Ctr, Wuhan 430074, Peoples R China.;
[8]Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.;
[9]Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China.;
[10]Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China.;
通讯作者:Li, YS (reprint author), Renmin Univ China, Dept Phys, Beijing 100872, Peoples R China.
期刊名称:NEW JOURNAL OF PHYSICS影响因子和分区
年:2014
卷:16
收录情况:SCI(E)(WOS:000342050400007)  EI(20143800067270)  
ISSN:1367-2630
关键词:quantum spin liquid; low-energy excitation; kagome antiferromagnet; spin frustration
所属部门:物理学系
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 ...More
人气指数:5029
浏览次数:5025
基金:NSF of China; Ministry of Science and Technology of China (973 project) [2011CBA00112, 2012CB921701]; Fundamental Research Funds for the Central Universities; Renmin University of China
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