Femto second pulsed laser deposition of nanoparticulate thin film of Gd5(SixGe1−x)4

Author

Hadimani, R.L. ; Shaw, A.H. ; Schlagel, D.L. ; Lograsso, T.A. ; Da Silva, J.H. ; Pereira, A.M. ; Araujo, J.P. ; Balfou, E.A. ; Fu, H. ; Jiles, D.

Author_Institution

Dept. of Electr. & Comput. Eng., Iowa State Univ., Ames, IA, USA

fYear

2015

fDate

11-15 May 2015

Firstpage

1

Lastpage

1

Abstract

Pulsed Laser Deposition (PLD) using a femtosecond laser has improved the surface roughness, quality of thin films and deposition time significantly over nanosecond lasers. However characterizing these thin films especially the composition using Energy Dispersive X-ray Spectroscopy (EDS) is challenging. We report the successful growth and characterization of thin films of giant magnetocaloric Gd₅Si_1.3Ge_2.7 using femtosecond PLD. We also report that annealing of Gd₅Si_1.3Ge_2.7 thin film at 1000 K showed disappearance of particles on the film and the phase transition in the magnetic measurements.

Keywords

Ge-Si alloys; X-ray chemical analysis; gadolinium alloys; high-speed optical techniques; magnetic particles; magnetic thin films; magnetic transitions; magnetocaloric effects; nanofabrication; nanomagnetics; nanoparticles; pulsed laser deposition; surface roughness; EDS; Gd₅(Si_xGe_1-x)₄; annealing; energy dispersive X-ray spectroscopy; femtosecond PLD; femtosecond pulsed laser deposition; giant magnetocaloric material; magnetic measurements; nanoparticulate thin film; phase transition; surface roughness; temperature 1000 K; Films; Heat treatment; Laser theory; Magnetostriction; Pulsed laser deposition; Ultrafast electronics; X-ray lasers;

fLanguage

English

Publisher

ieee

Conference_Titel

Magnetics Conference (INTERMAG), 2015 IEEE

Conference_Location

Beijing

Print_ISBN

978-1-4799-7321-7

Type

conf

DOI

10.1109/INTMAG.2015.7156759

Filename

7156759