Author
Listed:
- Shiheng Liang
(Institut Jean Lamour, UMR 7198, CNRS-Université de Lorraine)
- Huaiwen Yang
(Institut Jean Lamour, UMR 7198, CNRS-Université de Lorraine)
- Pierre Renucci
(Université de Toulouse, INSA-CNRS-UPS, LPCNO)
- Bingshan Tao
(Institut Jean Lamour, UMR 7198, CNRS-Université de Lorraine)
- Piotr Laczkowski
(Unité Mixte de Physique, CNRS, Thales, Univ. Paris-Sud, Université Paris-Saclay)
- Stefan Mc-Murtry
(Institut Jean Lamour, UMR 7198, CNRS-Université de Lorraine)
- Gang Wang
(Université de Toulouse, INSA-CNRS-UPS, LPCNO)
- Xavier Marie
(Université de Toulouse, INSA-CNRS-UPS, LPCNO)
- Jean-Marie George
(Unité Mixte de Physique, CNRS, Thales, Univ. Paris-Sud, Université Paris-Saclay)
- Sébastien Petit-Watelot
(Institut Jean Lamour, UMR 7198, CNRS-Université de Lorraine)
- Abdelhak Djeffal
(Institut Jean Lamour, UMR 7198, CNRS-Université de Lorraine)
- Stéphane Mangin
(Institut Jean Lamour, UMR 7198, CNRS-Université de Lorraine)
- Henri Jaffrès
(Unité Mixte de Physique, CNRS, Thales, Univ. Paris-Sud, Université Paris-Saclay)
- Yuan Lu
(Institut Jean Lamour, UMR 7198, CNRS-Université de Lorraine)
Abstract
Molybdenum disulfide has recently emerged as a promising two-dimensional semiconducting material for nano-electronic, opto-electronic and spintronic applications. However, the demonstration of an electron spin transport through a semiconducting MoS2 channel remains challenging. Here we show the evidence of the electrical spin injection and detection in the conduction band of a multilayer MoS2 semiconducting channel using a two-terminal spin-valve configuration geometry. A magnetoresistance around 1% has been observed through a 450 nm long, 6 monolayer thick MoS2 channel with a Co/MgO tunnelling spin injector and detector. It is found that keeping a good balance between the interface resistance and channel resistance is mandatory for the observation of the two-terminal magnetoresistance. Moreover, the electron spin-relaxation is found to be greatly suppressed in the multilayer MoS2 channel with an in-plane spin polarization. The long spin diffusion length (approximately ∼235 nm) could open a new avenue for spintronic applications using multilayer transition metal dichalcogenides.
Suggested Citation
Shiheng Liang & Huaiwen Yang & Pierre Renucci & Bingshan Tao & Piotr Laczkowski & Stefan Mc-Murtry & Gang Wang & Xavier Marie & Jean-Marie George & Sébastien Petit-Watelot & Abdelhak Djeffal & Stéphan, 2017.
"Electrical spin injection and detection in molybdenum disulfide multilayer channel,"
Nature Communications, Nature, vol. 8(1), pages 1-9, April.
Handle:
RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms14947
DOI: 10.1038/ncomms14947
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