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Doping effects on the two-dimensional spin dimer compound SrCu2(BO3)(2)
Liu, GT; Luo, JL; Wang, NL; Jing, XN; Jin, D; Xiang, T; Wu, ZH; Liu, GT , Chinese Acad Sci, Inst Phys, POB 603, Beijing 100080, Peoples R China.
2005
发表期刊PHYSICAL REVIEW B
ISSN1098-0121
卷号71期号:1页码:-
摘要A series of compounds M0.1Sr0.9Cu2(BO3)(2) with Sr substituted by M=Al, La, Na, and Y and YxSr1-xCu2(BO3)(2) with x=0.06, 0.08, 0.10, 0.20, and 0.30 were prepared by solid state reaction. X-ray diffraction analysis showed that these doping compounds are isostructural to SrCu2(BO3)(2). The resistivity at room temperature, the magnetic susceptibility from 1.9 to 300 K in an applied magnetic field of 1.0 T and the specific heat from 1.9 to 25 K in applied fields up to 14 T were measured, respectively. The spin gap is deduced from the low temperature susceptibility as well as the specific heat. It is found that the spin gap is strongly suppressed by magnetic fields and the doping content. No superconductivity is observed in all doping samples.
部门归属Chinese Acad Sci, Inst Phys, Beijing 100080, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Chinese Acad Sci, Interdisciplinary Ctr Theoret Studies, Beijing 100080, Peoples R China; Chongqing Univ, Dept Phys, Chongqing 400044, Peoples R China
关键词Gap System Srcu2(Bo3)(2) Ground-state Thermal-conductivity Excitations Magnetization Field Heat
学科领域Physics
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收录类别SCI
WOS记录号WOS:000226735100121
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被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13916
专题理论物理所1978-2010年知识产出
通讯作者Liu, GT , Chinese Acad Sci, Inst Phys, POB 603, Beijing 100080, Peoples R China.
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Liu, GT,Luo, JL,Wang, NL,et al. Doping effects on the two-dimensional spin dimer compound SrCu2(BO3)(2)[J]. PHYSICAL REVIEW B,2005,71(1):-.
APA Liu, GT.,Luo, JL.,Wang, NL.,Jing, XN.,Jin, D.,...&Liu, GT , Chinese Acad Sci, Inst Phys, POB 603, Beijing 100080, Peoples R China..(2005).Doping effects on the two-dimensional spin dimer compound SrCu2(BO3)(2).PHYSICAL REVIEW B,71(1),-.
MLA Liu, GT,et al."Doping effects on the two-dimensional spin dimer compound SrCu2(BO3)(2)".PHYSICAL REVIEW B 71.1(2005):-.
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