Abstract
In this paper, we elucidate the fabrication and temperature-dependent magnetic characteristics of Ni nanowires sandwiched in Au nanosegments. The nanowires were fabricated by electrochemical deposition in alumina templates with diameter of 100nm and Ni segment length of around 800nm. Structural analyses confirmed the formation of pure phase, crystalline multi-segmented Au–Ni–Au nanowires. Magnetic studies performed using a super-conducting quantum interface device-vibrating sample magnetometer reveal that ferromagnetism is induced in the wires due to the presence of Ni, which is ferromagnetic in nature. Temperature-dependent analysis shows that coercivity of the samples increases with decreasing temperature following Kneller’s law for ferromagnetic nanostructures. The saturation magnetization shows an increasing trend as the temperature decreases according to the modified Bloch’s law and this behavior is similar to that of ferromagnetic nanoparticles.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
