Magnetism and orbitally driven spin-singlet states in Ru oxides: a muon-spin rotation study

Blundell, S. J. ; Lancaster, T. ; Baker, P. J. ; Hayes, W. ; Pratt, F. L. ; Atake, T. ; Rana, D. S. ; Malik, S. K. (2008) Magnetism and orbitally driven spin-singlet states in Ru oxides: a muon-spin rotation study Physical Review B, 77 (9). 094424_1-094424_6. ISSN 0163-1829

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Official URL: http://prb.aps.org/abstract/PRB/v77/i9/e094424

Related URL: http://dx.doi.org/10.1103/PhysRevB.77.094424

Abstract

We have used zero-field muon-spin rotation to study the local magnetic properties of SrRuO3, Y2Ru2O7, and La2RuO5. While SrRuO3 and Y2Ru2O7 give rise to coherent precession signals, in La2RuO5 we find no signature of long range magnetic order below the structural transition, but observe relaxation consistent with that expected due to a dimerization into spin-singlet states. In Y2Ru2O7 we observe two precession signals with different temperature dependences, consistent with the nature of the noncollinear ordering being temperature dependent.

Item Type:Article
Source:Copyright of this article belongs to American Physical Society.
ID Code:23118
Deposited On:25 Nov 2010 13:30
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