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Nanogranulární vrstvy Co-Al-O připravené laserovou ablací
Chayka, Oleksandr ; Kraus, Luděk ; Fendrych, František ; Kocourek, Tomáš ; Jelínek, Miroslav
The measurements of magnetic and transport properties of the films deposited by laser ablation show that the films prepared on room temperature substrates consist of single-domain nanosized Co particles embeded in an insulating matrix.The films deposited on heated substrates show two orders lower resistance and their MR is one order smaller. This can be explained by the appearance of metallic type conductivity in a network of particles that is presumably due to coalescence of the grains

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