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Magnetic ground state of novel zigzag chain compounds, NaCr2O4 and Ca1-xNaxCr2O4, determined with muons and neutrons
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2015 (English)In: 20TH INTERNATIONAL CONFERENCE ON MAGNETISM, ICM 2015, Elsevier, 2015, 868-875 p.Conference paper, Published paper (Refereed)
Abstract [en]

The magnetic nature of a novel one-dimensional compound NaCr2O4 with zigzag CrO2 chains has been studied by muon spin rotation and relaxation (mu+SR) and neutron diffraction (ND). It is found that NaCr2O4 undergoes an antiferromagnetic transition at T-N = 125 K, below which the Cr moments in each zigzag chain align ferromagnetically along the c-axis but antiferromagnetically along the a-axis between adjacent zigzag chains. For the solid solution system Ca1-xNaxCr2O4, mu+SR measurements reveal the evolution of a complex magnetic order with increasing Ca content (1 - x), which finally enters into an incommensurate AF ordered state below T-N = 21 for CaCr2O4.

Place, publisher, year, edition, pages
Elsevier, 2015. 868-875 p.
Series
Physics Procedia, ISSN 1875-3892 ; 75
Keyword [en]
muon spin rotation and relaxation, one-dimensional zigzag chain, antiferromagnetic order
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-193306DOI: 10.1016/j.phpro.2015.12.112ISI: 000381129300120Scopus ID: 2-s2.0-84974736109OAI: oai:DiVA.org:kth-193306DiVA: diva2:1032917
Conference
20th International Conference on Magnetism, JUL 05-10, 2015, Span Soc Magnetism, Barcelona, SPAIN
Note

QC 20161005

Available from: 2016-10-05 Created: 2016-09-30 Last updated: 2016-10-05Bibliographically approved

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