Ordering and crossover in a pseudo-sextet localized electron model - Possible scenario for SmRuP skutterudite
Journal of the Physical Society of Japan, ISSN: 0031-9015, Vol: 78, Issue: 12
2009
- 7Citations
- 6Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
A crystalline electric field (CEF) model of localized 4f electrons is proposed for understanding intriguing ordering phenomena in SmRuP. We take the CEF quartet and doublet (pseudo-sextet) of the Hund's rule ground state with J = 5/2, and include intersite interactions between multipoles by the mean-field theory. The model leads to a multipole order with representation Γ, and shows the following features: (i) increasing transition temperature T with increasing magnetic field; (ii) an anomaly in specific heat and other thermodynamic quantities at lower temperature T, (iii) sharpening of the anomaly at T as the magnetic field increases. These behaviors reproduce salient features observed experimentally in SmRuP. Possible mechanisms for spontaneous magnetic moment are discussed. © 2009 The Physical Society of Japan.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=73849148332&origin=inward; http://dx.doi.org/10.1143/jpsj.78.124702; http://journals.jps.jp/doi/10.1143/JPSJ.78.124702; http://journals.jps.jp/doi/pdf/10.1143/JPSJ.78.124702; https://www.jstage.jst.go.jp/article/jpsj/78/12/78_12_124702/_article/-char/en/; https://www.jstage.jst.go.jp/article/jpsj/78/12/78_12_124702/_article/-char/ja/
Physical Society of Japan
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