Photodiodes based in La_(0.7)Sr_(0.3)MnO_(3)/single layer MoS_(2) hybrid vertical heterostructures



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Niu, Yue and Frisenda, Riccardo and Svatek, Simon A. and Orfila, Gloria and Gallego, Fernando and Gant, Patricia and Agraït, Nicolás and León Yebra, Carlos and Rivera Calzada, Alberto Carlos and Pérez de Lara, David and Santamaría Sánchez-Barriga, Jacobo and Castellanos Gómez, Andrés (2017) Photodiodes based in La_(0.7)Sr_(0.3)MnO_(3)/single layer MoS_(2) hybrid vertical heterostructures. 2D materials, 4 (3). ISSN 2053-1583

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The fabrication of artificial materials by stacking of individual two-dimensional (2D) materials is amongst one of the most promising research avenues in the field of 2D materials. Moreover, this strategy to fabricate new man-made materials can be further extended by fabricating hybrid stacks between 2D materials and other functional materials with different dimensionality making the potential number of combinations almost infinite. Among all these possible combinations, mixing 2D materials with transition metal oxides can result especially useful because of the large amount of interesting physical phenomena displayed separately by these two material families. We present a hybrid device based on the stacking of a single layer MoS_(2) onto a lanthanum strontium manganite (La_(0.7)Sr_(0.3)MnO_(3)) thin film, creating an atomically thin device. It shows a rectifying electrical transport with a ratio of 10^(3) , and a photovoltaic effect with Voc up to 0.4 V. The photodiode behaviour arises as a consequence of the different doping character of these two materials. This result paves the way towards combining the efforts of these two large materials science communities.

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© 2017 IOP Publishing Ltd. Work at IMDEA was supported by MINECO (Ramón y Cajal 2014 program RYC-2014-01406, MAT2014-58399- JIN, FIS2015-67367-C2-1-P), the Comunidad de Madrid (MAD2D-CM Program (S2013/MIT-3007)) and NANOFRONTMAG-CM program (S2013/MIT-2850) and the European Commission under the Graphene Flagship (contract CNECTICT-604391) and FP7 ITN MOLESCO (project no. 606728). RF acknowledges support from the Netherlands Organisation for Scientific Research (NWO) through the research program Rubicon with project number 680- 50-1515. YN acknowledges the grant from the China Scholarship Council (File NO. 201506120102). Work at UCM supported by Spanish MINECO through grants MAT2014-52405-C02-01 and by CAM through grant CAM S2013/MIT- 2740. Work at ICMM is supported by Spanish MINECO through grant MAT2014-52405-C02-02.

Uncontrolled Keywords:Der-Waals heterostructures; Transition-metal dichalcogenides; P-N diode; Heterojunction; Characterize; Generation.
Subjects:Sciences > Physics > Electricity
Sciences > Physics > Electronics
Sciences > Physics > Materials
ID Code:44887
Deposited On:22 Nov 2017 12:25
Last Modified:10 Dec 2018 14:57

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