Ferro- and antiferromagnetic ordering in LaMnO3+δ / Pirogov A.N., Teplykh A.E., Voronin V.I., Kar'kin A.E., Balagurov A.M., Pomyakushin V.Yu., Sikolenko V.V., Petrov A.N., Cherepanov V.A., Filonova E.A. // Physics of the Solid State. - 1999. - V. 41, l. 1. - P. 91-96.

ISSN:

10637834

Type:

Article

Abstract:

A neutron diffraction study of the crystalline structure and magnetic state of LaMnO3+δ samples with different deviations from oxygen stoichiometry has been made at 4.2 K. It is shown that annealing at reduced oxygen pressure is accompanied by transformation of the magnetic structure from ferromagnetic, with magnetic moments parallel to the b axis, to antiferromagnetic, with the wave vector k=0 and the moments along the a axis (space group Pnma). A comparison of experimental with expected Mn ion moments suggests that magnetic order does not extend throughout the sample volume. Part of the Mn ions form magnetic clusters ∼20 Å in size. © 1999 American Institute of Physics.

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Link	https://www.scopus.com/inward/record.uri?eid=2-s2.0-0040294446&partnerID=40&md5=7beb270cffb3529b5090321ec133c15c
Affiliations	Institute of Metal Physics, Ural Br. of the Russ. Acad. of Sci., 620219 Ekaterinburg, Russian Federation; Joint Institute for Nuclear Research, 141980 Dubna, Russian Federation; Ural State University, 620083 Ekaterinburg, Russian Federation
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Correspondence Address	Pirogov, A.N.; Institute of Metal Physics, Ural Br. of the Russ. Acad. of Sci., 620219 Ekaterinburg, Russian Federation
Language of Original Document	English
Abbreviated Source Title	Phys. Solid State
Source	Scopus