Magnetism, Charge Order and Giant Magnetoresistance in SrFeO$_{3-\delta}$ Single Crystals

A. Lebon; A. Maljuk; A. V. Boris; A. V. Pimenov; B. Keimer; C. Bernhard; C. T. Lin; C. Ulrich; P. Adler

arxiv: cond-mat/0310695 · v2 · submitted 2003-10-29 · ❄️ cond-mat.str-el

Magnetism, Charge Order and Giant Magnetoresistance in SrFeO_(3-δ) Single Crystals

A. Lebon , P. Adler , C. Bernhard , A. V. Boris , A. V. Pimenov , A. Maljuk , C. T. Lin , C. Ulrich

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B. Keimer

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classification ❄️ cond-mat.str-el

keywords deltacrystalselectronicgiantmagnetoresistancesinglesrfeotransport

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The electronic and magnetic properties of SrFeO$_{3-\delta}$ single crystals with controlled oxygen content ($0 \leq \delta \leq 0.19$) have been studied systematically by susceptibility, transport and spectroscopic techniques. An intimate correlation between the spin-charge ordering and the electronic transport behavior is found. Giant negative as well as positive magnetoresistance are observed.

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Magnetism, Charge Order and Giant Magnetoresistance in SrFeO_(3-δ) Single Crystals

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