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- Title
Manifestation of ferromagnetism in lightly oxygen-doped La2CuO4 single crystals in magnetic fields H<50 Oe.
- Authors
Zakharov, A. A.; Nikonov, A. A.; Parfenov, O. E.
- Abstract
The temperature and field dependences χ(T,H) in La2CuO4+δ single crystals with δ<0.015 have been investigated in magnetic fields 0.1<H<450 Oe by the differential magnetic susceptibility method. It was found that under oxygen doping conditions ferromagnetic regions are formed. These regions produce a characteristic curve of the magnetic susceptibility χ(T,H), which is observed only in magnetic fields of less than 50 Oe. This can be explained by the formation of ferrons [A. Aharony etal. Phys. Rev. Lett. 60, 1330 (1988); L. I. Glazman and A. S. Ioselevich, Z. Phys. B 80, 268 (1990)] in an antiferro- magnetic matrix. © 1996 American Institute of Physics.
- Subjects
LANTHANUM compounds; MAGNETIC susceptibility; FERROMAGNETISM
- Publication
JETP Letters, 1996, Vol 64, Issue 3, p162
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.567168