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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 18 — Aug. 29, 2011
  • pp: 16975–16984

Fabrication of phase-change chalcogenide Ge2Sb2Te5 patterns by laser-induced forward transfer

Ming Lun Tseng, Bo Han Chen, Cheng Hung Chu, Chia Min Chang, Wei Chih Lin, Nien-Nan Chu, Masud Mansuripur, Ai Qun Liu, and Din Ping Tsai  »View Author Affiliations


Optics Express, Vol. 19, Issue 18, pp. 16975-16984 (2011)
http://dx.doi.org/10.1364/OE.19.016975


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Abstract

Femtosecond laser pulses are focused on a thin film of Ge2Sb2Te5 phase-change material, and the transfer of the illuminated material to a nearby substrate is investigated. The size, shape, and phase-state of the fabricated pattern can be effectively controlled by the laser fluence and by the thickness of the Ge2Sb2Te5 film. Results show multi-level electrical and optical reflection states of the fabricated patterns, which may provide a simple and efficient foundation for patterning future phase-change devices.

© 2011 OSA

OCIS Codes
(210.4810) Optical data storage : Optical storage-recording materials
(220.0220) Optical design and fabrication : Optical design and fabrication
(310.3840) Thin films : Materials and process characterization

ToC Category:
Optical Data Storage

History
Original Manuscript: June 27, 2011
Revised Manuscript: July 28, 2011
Manuscript Accepted: July 29, 2011
Published: August 15, 2011

Citation
Ming Lun Tseng, Bo Han Chen, Cheng Hung Chu, Chia Min Chang, Wei Chih Lin, Nien-Nan Chu, Masud Mansuripur, Ai Qun Liu, and Din Ping Tsai, "Fabrication of phase-change chalcogenide Ge2Sb2Te5 patterns by laser-induced forward transfer," Opt. Express 19, 16975-16984 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-18-16975


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