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

preprint2011arXivOpen access

S. Y. Zhou Y. Zhu M. C. Langner Y. -D. Chuang P. Yu W. L. Yang A. G. Cruz Gonzalez N. Tahir M. Rini Y. -H. Chu R. Ramesh D. -H. Lee Y. Tomioka Z. Hussain R. W. Schoenlein

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

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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)MnO $_3$

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Ferromagnetic Enhancement of CE-type Spin Ordering in (Pr,Ca)MnO3_33​

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