Inexpensive laser-induced surface modification in bismuth thin films
Por:
Contreras A.R., Hautefeuille M., García A.E., Mejia O.O., Lopez, MAC
Publicada:
1 may 2015
Categoría:
Surfaces, Coatings and Films
Resumen:
In this work, we present results on texturing a 500 nm thick bismuth film, deposited by sputtering onto a glass slide using a low-cost homemade, near-infrared pulsed laser platform. A 785 nm laser diode of a CD-DVD pickup head was precisely focused on the sample mounted on a motorized two-axis translation stage to generate localized surface microbumps on the bismuth films. This simple method successfully transferred desired micropatterns on the films in a computer-numerical control fashion. Irradiated zones were characterized by atomic force microscopy and scanning electron microscopy. It was observed that final results are strongly dependent on irradiation parameters. © 2014 Elsevier B.V. All rights reserved.
Filiaciones:
Contreras A.R.:
Facultad de Ciencias, Universidad Autónoma Del Estado de México, Carretera Toluca, Ixtlahuaca Kilómetro 15.5, C.P. 50200, Mexico
Hautefeuille M.:
Univ Nacl Autonoma Mexico, Fac Ciencias, Mexico City 04510, DF, Mexico
García A.E.:
CCADET UNAM, Dept Tecnociencias, Fotofis & Peliculas Delgadas, Mexico City, DF, Mexico
Mejia O.O.:
Ctr Conjunto Invest Quim Sustentable UAEM UNAM, Unidad El Rosedal, San Cayetano 50200, Estado De Mexic, Mexico
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