Abstract

The effect of hot pressing conditions on the characteristics of the crystalline and magnetic structures of Cr-doped lanthanum-strontium manganites has been investigated for the first time using X-ray diffraction, electron microscopy, magneto-optical visualization of magnetic flux, ferromagnetic resonance, and magnetic measurements. It is shown that application of pressure during sintering affects the concentration of differentvalence ions and structural vacancies and phase separation in the manganites studied.

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