Femtosecond laser-induced nanostructure formation in Sb2Te 3

Yuwei Li; Vladimir A. Stoica; Lynn Endicott; Guoyu Wang; Huarui Sun; Kevin P. Pipe; Ctirad Uher; Roy Clarke

doi:10.1063/1.3634014

Femtosecond laser-induced nanostructure formation in Sb₂Te ₃

Yuwei Li, Vladimir A. Stoica, Lynn Endicott, Guoyu Wang, Huarui Sun, Kevin P. Pipe, Ctirad Uher, Roy Clarke

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

We report femtosecond laser-induced nanotracks in highly absorbing Sb ₂Te₃. Groups of nanotracks are observed with widths ∼50 nm and periodicity ∼130 nm, their area of coverage extending with the increase of laser fluence. We demonstrate that under a narrow range of laser fluences and laser irradiation times, long highly aligned nanotracks can be formed in Sb₂Te₃. The results suggest a promising avenue for laser nanostructuring of chalcogenide thermoelectrics, with implications for high efficiency thermoelectric energy conversion.

Original language	English (US)
Article number	121903
Journal	Applied Physics Letters
Volume	99
Issue number	12
DOIs	https://doi.org/10.1063/1.3634014
State	Published - Sep 19 2011

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.3634014

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title = "Femtosecond laser-induced nanostructure formation in Sb2Te 3",

abstract = "We report femtosecond laser-induced nanotracks in highly absorbing Sb 2Te3. Groups of nanotracks are observed with widths ∼50 nm and periodicity ∼130 nm, their area of coverage extending with the increase of laser fluence. We demonstrate that under a narrow range of laser fluences and laser irradiation times, long highly aligned nanotracks can be formed in Sb2Te3. The results suggest a promising avenue for laser nanostructuring of chalcogenide thermoelectrics, with implications for high efficiency thermoelectric energy conversion.",

author = "Yuwei Li and Stoica, {Vladimir A.} and Lynn Endicott and Guoyu Wang and Huarui Sun and Pipe, {Kevin P.} and Ctirad Uher and Roy Clarke",

note = "Funding Information: This material is based on work supported as part of the Center for Solar and Thermal Energy Conversion, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Award No. DE-SC00000957. The authors would also like to thank the University of Michigan Electron Microbeam Analysis Laboratory for providing access to microscopy facilities.",

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doi = "10.1063/1.3634014",

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T1 - Femtosecond laser-induced nanostructure formation in Sb2Te 3

AU - Li, Yuwei

AU - Stoica, Vladimir A.

AU - Endicott, Lynn

AU - Wang, Guoyu

AU - Sun, Huarui

AU - Pipe, Kevin P.

AU - Uher, Ctirad

AU - Clarke, Roy

N1 - Funding Information: This material is based on work supported as part of the Center for Solar and Thermal Energy Conversion, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Award No. DE-SC00000957. The authors would also like to thank the University of Michigan Electron Microbeam Analysis Laboratory for providing access to microscopy facilities.

PY - 2011/9/19

Y1 - 2011/9/19

N2 - We report femtosecond laser-induced nanotracks in highly absorbing Sb 2Te3. Groups of nanotracks are observed with widths ∼50 nm and periodicity ∼130 nm, their area of coverage extending with the increase of laser fluence. We demonstrate that under a narrow range of laser fluences and laser irradiation times, long highly aligned nanotracks can be formed in Sb2Te3. The results suggest a promising avenue for laser nanostructuring of chalcogenide thermoelectrics, with implications for high efficiency thermoelectric energy conversion.

AB - We report femtosecond laser-induced nanotracks in highly absorbing Sb 2Te3. Groups of nanotracks are observed with widths ∼50 nm and periodicity ∼130 nm, their area of coverage extending with the increase of laser fluence. We demonstrate that under a narrow range of laser fluences and laser irradiation times, long highly aligned nanotracks can be formed in Sb2Te3. The results suggest a promising avenue for laser nanostructuring of chalcogenide thermoelectrics, with implications for high efficiency thermoelectric energy conversion.

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Femtosecond laser-induced nanostructure formation in Sb₂Te ₃

Abstract

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