TITLE:
The Synthesis and Characterization of Arc Melted Fe1-xAlx Alloys
AUTHORS:
Sandeep Rajan, Rajni Shukla, Anil Kumar, Anupam Vyas, Ranjeet Kumar Brajpuriya
KEYWORDS:
Transition Metal Aluminides; Magnetization and Electronic Properties
JOURNAL NAME:
Journal of Applied Mathematics and Physics,
Vol.1 No.2,
July
26,
2013
ABSTRACT: The paper presents correlation study on a series of Fe1-xAlx alloy samples prepared by arc melting. All the samples show crystalline structure, irrespective of the Al content and are textured mainly along (110) direction. The particle size decreases rapidly with x particularly after x > 0.3. The corresponding magnetic measurements were obtained at room temperature using a VSM, with a maximum applied field of 14 kOe. The results show that the ferromagnetic state of the samples disappears with x, and becomes paramagnetic for alloys with x ≥ 0.4. It is also found that coercivity (Hc) and resistivity increase with x. The results were interpreted in terms of continuous change in their electronic structure i.e. overlap of the electron wave functions of the magnetic atoms with the Al electron wave function.