Muon-spin-rotation measurements in the kagome lattice systems: Cr-jarosite and Fe-jarosite

被引：74
作者：
Keren, A
Kojima, K
Le, LP
Luke, GM
Wu, WD
Uemura, YJ
Takano, M
Dabkowska, H
Gingras, MJP
机构：
[1] COLUMBIA UNIV,DEPT PHYS,NEW YORK,NY 10027
[2] KYOTO UNIV,CHEM RES INST,UJI,KYOTO 611,JAPAN
[3] MCMASTER UNIV,DEPT PHYS & ASTRON,HAMILTON,ON L8S 4M1,CANADA
[4] TRIUMF,VANCOUVER,BC V6T 2A3,CANADA
来源：
PHYSICAL REVIEW B | 1996年 / 53卷 / 10期
关键词：
D O I：
10.1103/PhysRevB.53.6451
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have examined the magnetic properties of the frustrated kagome lattice spin systems KFe3(OH)(6)(SO4)(2) (Fe-jarosite) and KCr3(OH)(6)(SO4)(2) (Cr-jarosite) using the mu SR technique. In Fe-jarosite, a clear muon precession signal in zero field was found below 55 K, corresponding to the long-range order of Fe moments. In Cr-jarosite spin fluctuations persist without clear signature of spin freezing even at T = 25 mK, far below T-g similar to 2 K where the history dependence in the magnetic susceptibility appears.
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收藏
页码：6451 / 6454
页数：4
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