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Relaxation of muon spins in molecular nanomagnets

Abstract:

We address the cause of the unusual muon spin-relaxation (μ+ SR) results on molecular nanomagnets (MNMs). Through measurements on protonated and deuterated samples of the MNMs Cr7 Mn (S=1) and Cr8 (S=0), we show that the muon spin for S≠0 MNMs is relaxed via dynamic fluctuations of the electronic spins. A freezing out of dynamic processes occurs on cooling and at low temperatures the muon spins are relaxed by the electronic spins which themselves are dephased by incoherent nuclear-field fluct...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.81.140409

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics, REF-Physics
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Steele, AJ More by this author
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Journal:
PHYSICAL REVIEW B
Volume:
81
Issue:
14
Publication date:
2010-04-01
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
URN:
uuid:cb77b236-8f95-4a9b-acca-0ba1a5ada921
Source identifiers:
54803
Local pid:
pubs:54803
Language:
English

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