The DOI matches its Crossref record; 50 of the 50 references it cites were found in a registry or an index.
Second harmonic microscopy of monolayer MoS2
Open accessAbstract
We show that the lack of inversion symmetry in monolayer MoS${}_{2}$ allows strong optical second harmonic generation. The second harmonic of an 810-nm pulse is generated in a mechanically exfoliated monolayer, with a nonlinear susceptibility on the order of 10${}^{\ensuremath{-}7}$ m/V. The susceptibility reduces by a factor of seven in trilayers, and by about two orders of magnitude in even layers. A proof-of-principle second harmonic microscopy measurement is performed on samples grown by chemical vapor deposition, which illustrates potential applications of this effect in the fast and noninvasive detection of crystalline orientation, thickness uniformity, layer stacking, and single-crystal domain size of atomically thin films of MoS${}_{2}$ and similar materials.
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Cited by
Photonics and optoelectronics of 2D semiconductor transition metal dichalcogenides
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Photonics of time-varying media
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Metadata
- Authors
- Kumar, N., Najmaei, S., Cui, Q., Ceballos, F., Ajayan, P. M., Lou, J., & Zhao, H.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2013-04-15
- Volume
- 87
- Issue
- 16
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W1971534155
- Cited by
- 699
- References
- 50
- FWCI
- 22.20
- Type
- journal article
- Language
- en
- Open access
- green
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- Kumar, N., Najmaei, S., Cui, Q., Ceballos, F., Ajayan, P. M., Lou, J., & Zhao, H. (2013). Second harmonic microscopy of monolayer MoS2. Physical Review B. https://doi.org/10.1103/physrevb.87.161403
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