Simultaneous ordering of holes and spins in La sub 2 NiO sub 4 sub . sub 1 sub 2 sub 5

Simultaneous ordering of holes and spins in La sub 2 NiO sub 4 sub . sub 1 sub 2 sub 5

A single-crystal neutron diffraction study of the incommensurate magnetic ordering below 110 K revealed, besides the magnetic 1st and 3rd harmonic Bragg peaks, 2nd harmonic peaks associated with charge ordering. Holes, induced by excess oxygen, order in domain walls that form antiphase boundaries be...

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Veröffentlicht in:Physical review letters 1994-01, Vol.73 (7), p.1003-1006
Hauptverfasser: Tranquada, J M, Buttrey, D J, Sachan, V
Format: Artikel
Sprache:eng
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Zusammenfassung:A single-crystal neutron diffraction study of the incommensurate magnetic ordering below 110 K revealed, besides the magnetic 1st and 3rd harmonic Bragg peaks, 2nd harmonic peaks associated with charge ordering. Holes, induced by excess oxygen, order in domain walls that form antiphase boundaries between antiferromagnetic domains.
ISSN:0031-9007