Femtosecond laser amorphization of tellurium
Name
PhysRevB.98.134112.pdf
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396.76 KB
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Checksum (MD5)
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Author(s)
Cheng, Yu-Hsiang
Teitelbaum, Samuel Welch
Gao, Frank Y.
Nelson, Keith Adam
Date Issued
October 2018
Journal
Physical Review B
Publisher
American Physical Society
Citation
Cheng, Yu-Hsiang et al. "Femtosecond laser amorphization of tellurium." Physical Review B 98, 13 (October 2018): 134112 © 2018 American Physical Society
Version
Final published version
Abstract
Polycrystalline tellurium becomes amorphous after irradiation with strong femtosecond pulses. The amorphization is sensitive to the initial temperature but not very sensitive to the temporal profile of the optical excitation. Above the amorphization threshold, single-shot transient reflectivity traces show clear coherent phonon oscillations within 1 ps. These results suggest that amorphization is due to thermal melting rather than nonthermal melting or switching for pump fluences up to the ablation threshold.
MIT Department
Massachusetts Institute of Technology. Department of Chemistry
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1103/PhysRevB.98.134112
