Destruction of manganite La 0.825 Ba 0.175 MnO 3  ferromagnetism caused by structural disordering | Zendy

Chukalkin Yurii | Zendy; Teplykh Alexander | Zendy; Goshchitskii Boris | Zendy

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Destruction of manganite La 0.825 Ba 0.175 MnO 3 ferromagnetism caused by structural disordering

Author(s) -

Chukalkin Yurii,

Teplykh Alexander,

Goshchitskii Boris

Publication year - 2007

Publication title -

physica status solidi (rrl) – rapid research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.786

H-Index - 68

eISSN - 1862-6270

pISSN - 1862-6254

DOI - 10.1002/pssr.200600014

Subject(s) - manganite , ferromagnetism , condensed matter physics , neutron diffraction , spin glass , materials science , colossal magnetoresistance , magnetoresistance , chemistry , crystallography , physics , crystal structure , magnetic field , quantum mechanics

The methods of neutron diffraction, X‐ray and magnetic measurements were used to study the structural and magnetic states of disordered samples of manganite La 0.825 Ba 0.175 MnO 3 . A disordered state was attained by irradiation with fast neutrons. It was established that the ferromagnet → spin glass‐like magnetic transformation takes place at a substitution concentration of ∼6%. A magnetic state diagram of structurally disordered manganite was constructed. The magnetic state transformations are explained by the effect of localization of e g ‐electrons responsible for kinetic ferromagnetic exchange. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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