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Document type:
Zeitschriftenaufsatz 
Author(s):
Niklowitz, P. G.; Pfleiderer, C.; Keller, T.; Vojta, M.; Huang, Y.-K.; Mydosh, J. A. 
Title:
Parasitic {{Small}}-{{Moment Antiferromagnetism}} and {{Nonlinear Coupling}} of {{Hidden Order}} and {{Antiferromagnetism}} in ${\mathrm{URu}}_{2}{\mathrm{Si}}_{2}$ {{Observed}} by {{Larmor Diffraction}} 
Abstract:
We report for the first time simultaneous microscopic measurements of the lattice constants, the distribution of the lattice constants, and the antiferromagnetic moment in high-purity URu2Si2, combining Larmor and conventional neutron diffraction at low temperatures and pressures up to 18 kbar. Our data demonstrate quantitatively that the small moment in the hidden order (HO) of URu2Si2 is purely parasitic. The excellent experimental conditions we achieve allow us to resolve that the transition...    »
 
Journal title:
Physical Review Letters 
Year:
2010 
Journal volume:
104 
Month:
mar 
Journal issue:
10 
Pages contribution:
106406