Ferromagnetic Enhancement of CE-type Spin Ordering in (Pr,Ca)MnO$_3$

A.G. Cruz Gonzalez; D.-H. Lee; M.C. Langner; M. Rini; N. Tahir; P. Yu; R. Ramesh; R.W. Schoenlein; S.Y. Zhou; W.L. Yang

arxiv: 1104.0757 · v1 · pith:DFCMQUSOnew · submitted 2011-04-05 · ❄️ cond-mat.str-el · cond-mat.mtrl-sci

Ferromagnetic Enhancement of CE-type Spin Ordering in (Pr,Ca)MnO₃

S.Y. Zhou , Y. Zhu , M.C. Langner , Y.-D. Chuang , P. Yu , W.L. Yang , A.G. Cruz Gonzalez , N. Tahir

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M. Rini Y.-H. Chu R. Ramesh D.-H. Lee Y. Tomioka Z. Hussain R.W. Schoenlein

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classification ❄️ cond-mat.str-el cond-mat.mtrl-sci

keywords ce-typeorderingferromagneticfm-iinterplayresultsspinstate

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We present resonant soft X-ray scattering (RSXS) results from small band width manganites (Pr,Ca)MnO$_3$, which show that the CE-type spin ordering (SO) at the phase boundary is stabilized only below the canted antiferromagnetic transition temperature and enhanced by ferromagnetism in the macroscopically insulating state (FM-I). Our results reveal the fragility of the CE-type ordering that underpins the colossal magnetoresistance (CMR) effect in this system, as well as an unexpected cooperative interplay between FM-I and CE-type SO which is in contrast to the competitive interplay between the ferromagnetic metallic (FM-M) state and CE-type ordering.

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Ferromagnetic Enhancement of CE-type Spin Ordering in (Pr,Ca)MnO₃

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