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강상관계 물질 연구단
강상관계 물질 연구단
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Unconventional critical behavior in the quasi-one-dimensional S=1 chain NiTe2O5

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Title
Unconventional critical behavior in the quasi-one-dimensional S=1 chain NiTe2O5
Author(s)
Lee, JH; Marie Kratochvílová; Cao, HB; Yamani, Z; Kim, JS; Je-Geun Park; Stewart, GR; Oh, YS
Publication Date
2019-10
Journal
PHYSICAL REVIEW B, v.100, no.14, pp.144441 -
Publisher
AMER PHYSICAL SOC
Abstract
Here we report a quasi-one-dimensional S = 1 chain compound NiTe2O5. From the comprehensive study of the structure and magnetic properties on high-quality single-crystalline NiTe2O5, it is revealed that NiTe2O5 undergoes a transition into an intriguing long-range antiferromagnetic order at T-N = 30.5 K, in which longitudinal magnetic moments along the chain direction are ferromagnetically ordered, while their transverse components have an alternating ferromagnetic-antiferromagnetic coupling. Even though the temperature dependence of magnetic susceptibility represents an archetypal anisotropic antiferromagnetic order, we found that critical behavior of unconventional nature with alpha' similar to 0.25 and beta similar to 0.18 is accompanied by the temperature evolution of the antiferromagnetic order parameter. ©2019 American Physical Society
URI
https://pr.ibs.re.kr/handle/8788114/6572
ISSN
2469-9950
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > Journal Papers (저널논문)
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