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Magnetic nanostructures; micromagnetic simulations; magnetic force microscopy; magnetization reversal; magnetic domains.

We studied the magnetization reversal mechanism of single-layered Co50Fe50 nanomagnets by measuring the magnetization reversal and using the micromagnetic simulations. The magnetization reversal strongly depends on the thickness of the nanomagnets. In the remanent state, the magnetic force microscopy studies and the simulation data showed the formation of single and vortex states depending on the thickness of nanomagnets.

N V S S SESHAGIRI RAO¹ V SATYA NARAYANA MURTHY¹ Y J V S RAMAKRISHNA SHARMA²

1. Department of Physics, Birla Institute of Technology & Science—Pilani, Hyderabad Campus, Hyderabad 500 078, India
2. Department of Electronics and Communication Engineering, Keshav Memorial Institute of Technology, Hyderabad 500 029, India

Manuscript received

7 January 2015

Accepted

24 November 2015