Colossal magnetostriction and electrostriction of bismuth-substituted neodymium iron garnet films

Fig. 1 Thermal expansion. Fig. 2 The temperature dependence of magnetostriction constant. Fig. 3 Electrostriction as a function of electric field. [Display omitted] •The relative change in the length of Nd1Bi2Fe5O12(450 nm)/Nd2Bi1Fe4Ga1O12(90 nm) films deposited onto glass and Nd0.5Bi2.5Fe5O12(450 n...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2018-10, Vol.464, p.44-49
Main Authors: Aplesnin, S.S., Masyugin, A.N., Sitnicov, M.N., Rybina, U.I., Ishibashi, Takayuki
Format: Article
Language:English
Subjects:
Anisotropy
Bismuth
Electrostriction
Gadolinium
Gallium
Iron
Magnetic fields
Magnetostriction
Neodymium
Substitutes
Substrates
Thermal expansion
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Summary:Fig. 1 Thermal expansion. Fig. 2 The temperature dependence of magnetostriction constant. Fig. 3 Electrostriction as a function of electric field. [Display omitted] •The relative change in the length of Nd1Bi2Fe5O12(450 nm)/Nd2Bi1Fe4Ga1O12(90 nm) films deposited onto glass and Nd0.5Bi2.5Fe5O12(450 nm) films on a (111) single-crystal Gd3Ga5O12 garnet at the heating is determined.•A maximum in the temperature dependence of magnetostriction and electrostriction was revealed. Above 300 K, a change in the magnetostriction sign is found. Electro- and magnetostriction mechanisms and temperature behavior of the length of bismuth-substituted neodymium iron garnet films on glass and gallium gadolinium garnet have been investigated. Electric- and magnetic-field and temperature dependences of the electro- and magnetostriction constants have been determined. It has been established that the magnetostriction constant changes its sign upon temperature variation. The experimental data are explained using a model of dipole glass with the magnetoelectric and magnetoelastic interaction.
ISSN:0304-8853
1873-4766
DOI:10.1016/j.jmmm.2018.05.038