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Magnetic structure for NaCr2O4 analyzed by neutron diffraction and muon spin-rotation
Toyota Cent Res & Dev Labs Inc, Nagakute, Aichi 4801192, Japan..
Natl Inst Mat Sci, Namiki 1-1, Tsukuba, Ibaraki 3050044, Japan..
TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T 2A3, Canada..
TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T 2A3, Canada..
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2018 (English)In: Physica. B, Condensed matter, ISSN 0921-4526, E-ISSN 1873-2135, Vol. 551, p. 137-141Article in journal (Refereed) Published
Abstract [en]

We have investigated the magnetic ground state of a novel one-dimensional compound, NaCr2O4, in which Cr2O4 double chains, i.e. zig-zag chains are aligned parallel to the b-axis, by means of both muon-spin rotation and relaxation (mu+SR) and neutron diffraction (ND) measurements. The mu+SR results reveal the formation of static antiferromagnetic order below Neel temperature (T-N = 124 K). The ND measurements also demonstrate the appearance of magnetic Bragg peaks with the propagation vector (k) over right arrow = (1, 0, 1) below T-N. Combined analyses of the mu+SR and ND data clarify that the Cr moments in each zig-zag chain are aligned ferromagnetically along the c-axis, whereas antiferromagnetically along the alpha-axis between the adjacent zig-zag chains.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE BV , 2018. Vol. 551, p. 137-141
Keywords [en]
Chromium oxide, Magnetic structure, Muon-spin rotation, Neutron diffraction
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-241331DOI: 10.1016/j.physb.2017.11.011ISI: 000455012800031Scopus ID: 2-s2.0-85044754565OAI: oai:DiVA.org:kth-241331DiVA, id: diva2:1281069
Conference
11th International Conference on Neutron Scattering (ICNS), JUL 09-13, 2017, Daejeon, SOUTH KOREA
Note

QC 20190121

Available from: 2019-01-21 Created: 2019-01-21 Last updated: 2019-01-21Bibliographically approved

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Månsson, Martin

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