Scalable fabrication of a hybrid field-effect and acousto-electric device by direct growth of monolayer MoS2/LiNbO3.
Lithium niobate is the archetypical ferroelectric material and the substrate of choice for numerous applications including surface acoustic wave radio frequencies devices and integrated optics. It offers a unique combination of substantial piezoelectric and birefringent properties, yet its lack of optical activity and semiconducting transport hamper application in optoelectronics. Here we fabricate and characterize a hybrid MoS2/LiNbO3 acousto-electric device via a scalable route that uses millimetre-scale direct chemical vapour deposition of MoS2 followed by lithographic definition of a field-effect transistor structure on top. The prototypical device exhibits electrical characteristics competitive with MoS2 devices on silicon. Surface acoustic waves excited on the substrate can manipulate and probe the electrical transport in the monolayer device in a contact-free manner. We realize both a sound-driven battery and an acoustic photodetector. Our findings open directions to non-invasive investigation of electrical properties of monolayer films.
Chemistry, Materials Science &Engineering and Electrical Engineering, University of California, Riverside, California 92521, USA.
Edwin
E
Preciado
Lehrstuhl für Experimentalphysik 1 and Augsburg Centre for Innovative Technologies (ACIT), Universität Augsburg, Universitätsstrasse 1, Augsburg 86159, Germany.|Nanosystems Initiative Munich (NIM), Schellingstrasse 4, München 80799, Germany.
Florian J R
FJR
Schülein
Chemistry, Materials Science &Engineering and Electrical Engineering, University of California, Riverside, California 92521, USA.
Ariana E
AE
Nguyen
Chemistry, Materials Science &Engineering and Electrical Engineering, University of California, Riverside, California 92521, USA.
David
D
Barroso
Chemistry, Materials Science &Engineering and Electrical Engineering, University of California, Riverside, California 92521, USA.
Miguel
M
Isarraraz
Chemistry, Materials Science &Engineering and Electrical Engineering, University of California, Riverside, California 92521, USA.
Gretel
G
von Son
Chemistry, Materials Science &Engineering and Electrical Engineering, University of California, Riverside, California 92521, USA.
I-Hsi
IH
Lu
Lehrstuhl für Experimentalphysik 1 and Augsburg Centre for Innovative Technologies (ACIT), Universität Augsburg, Universitätsstrasse 1, Augsburg 86159, Germany.
Wladislaw
W
Michailow
Lehrstuhl für Experimentalphysik 1 and Augsburg Centre for Innovative Technologies (ACIT), Universität Augsburg, Universitätsstrasse 1, Augsburg 86159, Germany.
Benjamin
B
Möller
Chemistry, Materials Science &Engineering and Electrical Engineering, University of California, Riverside, California 92521, USA.
Velveth
V
Klee
Department of Physics, Pepperdine University, 24255 Pacific Coast Highway, Malibu, California 90263, USA.
John
J
Mann
Lehrstuhl für Experimentalphysik 1 and Augsburg Centre for Innovative Technologies (ACIT), Universität Augsburg, Universitätsstrasse 1, Augsburg 86159, Germany.|Nanosystems Initiative Munich (NIM), Schellingstrasse 4, München 80799, Germany.|Center for NanoScience (CeNS), Ludwig-Maximilians-Universität München, Geschwister-Scholl-Platz 1, München 80539, Germany.
Achim
A
Wixforth
Chemistry, Materials Science &Engineering and Electrical Engineering, University of California, Riverside, California 92521, USA.
Ludwig
L
Bartels
Lehrstuhl für Experimentalphysik 1 and Augsburg Centre for Innovative Technologies (ACIT), Universität Augsburg, Universitätsstrasse 1, Augsburg 86159, Germany.|Nanosystems Initiative Munich (NIM), Schellingstrasse 4, München 80799, Germany.|Center for NanoScience (CeNS), Ludwig-Maximilians-Universität München, Geschwister-Scholl-Platz 1, München 80539, Germany.
Hubert J
HJ
Krenner