Structural and magnetic properties of nanocrystalline RuCo alloys

Autor:	S. B. Qadri, C.A. Little, H. R. Khan, Matthew Laskoski, M. S. Osofsky, Teddy M. Keller
Rok vydání:	2007
Předmět:	Materials science Physics and Astronomy (miscellaneous) Nanoparticle Nanotechnology Carbon nanotube Cubic crystal system Magnetic hysteresis Nanocrystalline material law.invention Chemical engineering law Phase (matter) Crystallite Pyrolysis
Zdroj:	Applied Physics Letters. 91:214101
ISSN:	1077-3118 0003-6951
DOI:	10.1063/1.2814061
Popis:	Nanoparticles of Ru1−xCox (0⩽x⩽1) in the carbon matrix were synthesized over the entire compositional range using organometallic precursors. For Co concentrations with x⩽0.75, a hexagonal close packed phase was formed, whereas a face centered cubic phase was observed for x>0.75. The crystallite sizes varied between 5 and 10nm. In addition, multiwalled carbon nanotubes formed during the pyrolysis of the precursors. Increasing ferromagnetic order was observed with increasing Co concentration.
Databáze:	OpenAIRE
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