DOI: 10.1063/1.3442495. Optical identification of atomically thin dichalcogenide crystals

Optical identification of atomically thin dichalcogenide crystals

10.1063/1.3442495

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

We present a systematic study of the optical contrast of niobium diselenide and molybdenum disulfide flakes deposited onto silicon wafers with a thermally grown silicon oxide layer. We measure the optical contrast of flakes whose thickness, which is obtained by atomic force microscopy, ranges from 200 layers down to a monolayer using different illumination wavelengths in the visible spectrum. The refractive index of these thin crystals has been obtained from the optical contrast using Fresnel law. In this way the optical microscopy data can be quantitatively analyzed to determine the thickness of the flakes in a fast and nondestructive way.

Bibliography

Castellanos-Gomez, A., AgraÃ¯t, N., & Rubio-Bollinger, G. (2010). Optical identification of atomically thin dichalcogenide crystals. Applied Physics Letters, 96(21).

Authors 3

A Castellanos-Gomez (first)
N Agraït (additional)
G Rubio-Bollinger (additional)

References 25 Referenced 291

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{'key': '2023070223334838200_c18'}
See supplementary material at http://dx.doi.org/10.1063/1.3442495 for more information about the technique. (10.1063/1.3442495)
10.1088/0022-3727/42/17/175307 / J. Phys. D: Appl. Phys. (2009)
{'key': '2023070223334838200_c21'}
10.1016/j.carbon.2008.06.022 / Carbon (2008)
10.1126/science.1102896 / Science (2004)
10.1063/1.2768624 / Appl. Phys. Lett. (2007)
{'key': '2023070223334838200_c25'}

Dates

Type	When
Created	15 years, 2 months ago (June 1, 2010, 8:09 a.m.)
Deposited	2 years, 1 month ago (July 2, 2023, 7:33 p.m.)
Indexed	2 weeks, 1 day ago (Aug. 6, 2025, 8:24 a.m.)
Issued	15 years, 2 months ago (May 24, 2010)
Published	15 years, 2 months ago (May 24, 2010)
Published Online	15 years, 2 months ago (May 28, 2010)
Published Print	15 years, 2 months ago (May 24, 2010)

Funders 0

None

BibTeX

@article{Castellanos_Gomez_2010, title={Optical identification of atomically thin dichalcogenide crystals}, volume={96}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.3442495}, DOI={10.1063/1.3442495}, number={21}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Castellanos-Gomez, A and Agraït, N and Rubio-Bollinger, G}, year={2010}, month=may }

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