This title appears in the Scientific Report :
2010
Please use the identifier:
http://dx.doi.org/10.1016/j.jmmm.2010.06.019 in citations.
Antiferromagnetic spin correlations in MnO nanoparticles
Antiferromagnetic spin correlations in MnO nanoparticles
We have investigated nearly monodispersive MnO nanoparticles of 10 nm diameter by polarised neutron diffraction with XYZ-polarisation analysis. We found no long-range ordering down to 3.5 K. A broad magnetic peak appeared close to Q= (1/2,1/2,1/2) signifying short-range antiferromagnetic correlation...
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Personal Name(s): | Chatterji, T. |
---|---|
Su, Y. / Iles, G.N. / Lee, Y.C. / Khandahar, A. / Krishnan, K.M. | |
Contributing Institute: |
JCNS; JCNS Neutronenstreuung; IFF-5 Streumethoden; IFF-4 |
Published in: | Journal of magnetism and magnetic materials, 322 (2010) S. 3333 - 3336 |
Imprint: |
Amsterdam
North-Holland Publ. Co.
2010
|
Physical Description: |
3333 - 3336 |
DOI: |
10.1016/j.jmmm.2010.06.019 |
Document Type: |
Journal Article |
Research Program: |
BioSoft: Makromolekulare Systeme und biologische Informationsverarbeitung Großgeräte für die Forschung mit Photonen, Neutronen und Ionen (PNI) |
Series Title: |
Journal of Magnetism and Magnetic Materials
322 |
Subject (ZB): | |
Publikationsportal JuSER |
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520 | |a We have investigated nearly monodispersive MnO nanoparticles of 10 nm diameter by polarised neutron diffraction with XYZ-polarisation analysis. We found no long-range ordering down to 3.5 K. A broad magnetic peak appeared close to Q= (1/2,1/2,1/2) signifying short-range antiferromagnetic correlations. The correlation length was found to be about 2.4 nm at T=3.5 K. The correlation length decreases rapidly with increasing temperature and becomes about 0.7 nm at T=250 K. (C) 2010 Elsevier B.V. All rights reserved. | ||
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