2023
DOI: 10.1063/5.0153838
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Giant magnetostriction in La2CoMnO6 synthesized by microwave irradiation

Abstract: Polycrystalline insulating ferromagnetic double perovskite La2CoMnO6 possessing a monoclinic structure and a high Curie temperature (TC = 222 K) was rapidly synthesized (∼30 min) by irradiating a stoichiometric mixture of oxides with microwaves. The sample exhibits negative magnetostriction (λpar), i.e., contraction of length along the magnetic field direction in the ferromagnetic state. At 10 K, λpar does not show saturation up to a magnetic field of 50 kOe, where it reaches 610 × 10−6, which is one of the hi… Show more

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