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CORDIS

Polarization sensitive photodetection by straining moiré van der Waals superlattices

Objective

The stacking of two dimensional materials with control of the relative twist angle led to the formation of long-range ordering structural modulation of the atomic lattices with the generation of moiré potentials. Twistronics is a blooming and promising new avenue to achieve optoelectronic devices with extra functionalities offering plenty of opportunities that can be combined with the well-established field of straintronics. In this project, a number of layered materials combinations and straining methodologies will be investigated by in situ Atomic Force Microscopy-based methods such as Piezoresponse Force Microscopy, Kelvin Probe Force Microscopy and Tip-enhanced Raman spectroscopy to visualize the moiré domains under strain. Finally, the project endeavors to engineer photodetectors with strain-tunable polarization using marginally twisted strained van der Waals heterostructures.

Coordinator

AGENCIA ESTATAL CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS
Net EU contribution
€ 181 152,96
Address
CALLE SERRANO 117
28006 Madrid
Spain

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Region
Comunidad de Madrid Comunidad de Madrid Madrid
Activity type
Research Organisations
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Total cost
No data