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pro vyhledávání: '"Carrascoso, Felix"'
Strain engineering has arisen as a powerful technique to tune the electronic and optical properties of two-dimensional semiconductors like molybdenum disulfide (MoS2). Although several theoretical works predicted that biaxial strain would be more eff
Externí odkaz:
http://arxiv.org/abs/2012.11661
Autor:
Ryu, Yu Kyoung, Carrascoso, Felix, López-Nebreda, Rubén, Agraït, Nicolás, Frisenda, Riccardo, Castellanos-Gomez, Andres
We present microfabricated thermal actuators to engineer the biaxial strain in two-dimensional (2D) materials. These actuators are based on microheater circuits patterned onto the surface of a polymer with a high thermal expansion coefficient. By run
Externí odkaz:
http://arxiv.org/abs/2006.06617
Publikováno v:
Nano Research, volume 14, pages 1698-1703 (2021)
Strain is a powerful tool to modify the optical properties of semiconducting transition metal dichalcogenides like MoS2, MoSe2, WS2 and WSe2. In this work we provide a thorough description of the technical details to perform uniaxial strain measureme
Externí odkaz:
http://arxiv.org/abs/2006.06660
Autor:
Carrascoso, Felix, Sanchez-Santolino, Gabriel, Hsu, Chun-wei, Nemes, Norbert M., Torres-Pardo, Almudena, Gant, Patricia, Mompeán, Federico J., Kalantar-zadeh, Kourosh, Alonso, José A., García-Hernández, Mar, Frisenda, Riccardo, Castellanos-Gomez, Andres
Publikováno v:
Materials, 13(10), 2293, 2020
We fabricate large-area atomically thin MoS$_2$ layers through the direct transformation of crystalline molybdenum MoS$_2$ (MoO$_3$) by sulfurization at relatively low temperatures. The obtained MoS2 sheets are polycrystalline (~10-20 nm single-cryst
Externí odkaz:
http://arxiv.org/abs/2006.06846
Autor:
Zhao, Qinghua, Carrascoso, Felix, Gant, Patricia, Wang, Tao, Frisenda, Riccardo, Castellanos-Gomez, Andres
Publikováno v:
J. Phys. Mater. 3 036001 (2020)
The exploration of electronic and optoelectronic properties of two-dimensional (2D) materials has become one of the most attractive line of research since the isolation of graphene. Such 'all-surface materials' present a strong sensitivity to environ
Externí odkaz:
http://arxiv.org/abs/2006.06714
Autor:
Gant, Patricia, Carrascoso, Felix, Zhao, Qinghua, Ryu, Yu Kyoung, Seitz, Michael, Prins, Ferry, Frisenda, Riccardo, Castellanos-Gomez, Andres
Publikováno v:
2D Mater. 7 025034 (2020)
The isolation of air-sensitive two-dimensional (2D) materials and the race to achieve a better control of the interfaces in van der Waals heterostructures has pushed the scientific community towards the development of experimental setups that allow t
Externí odkaz:
http://arxiv.org/abs/2003.13391
Publikováno v:
J. Phys. Mater. 3 015003 (2020)
We show how the excitonic features of biaxial MoS2 flakes are very sensitive to biaxial strain. We find a lower bound for the gauge factors of the A exciton and B exciton of (-41 +- 2) meV/% and (-45 +- 2) meV/% respectively, which are larger than th
Externí odkaz:
http://arxiv.org/abs/1908.03247
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Publikováno v:
In Nano Materials Science March 2022 4(1):44-51
Autor:
Zhang, Wenliang, Frisenda, Riccardo, Zhao, Qinghua, Carrascoso, Felix, Al-Enizi, Abdullah M., Nafady, Ayman, Castellanos-Gomez, Andres
Publikováno v:
In Sensors and Actuators: A. Physical 1 December 2021 332 Part 2