An Insight into the Phase Transformation of WS2 upon Fluorination

© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 30(2018), 44 vom: 12. Nov., Seite e1803366
1. Verfasser: Radhakrishnan, Sruthi (VerfasserIn)
Weitere Verfasser: Das, Deya, Deng, Liangzi, Sudeep, Parambath M, Colas, Guillaume, de Los Reyes, Carlos A, Yazdi, Sadegh, Chu, Ching Wu, Martí, Angel A, Tiwary, Chandra Sekhar, Filleter, Tobin, Singh, Abhishek K, Ajayan, Pulickel M
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article 2D magnetism DFT calculations TMDs fluorination phase transformation
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520 |a The transformation from semiconducting to metallic phase, accompanied by a structural transition in 2D transition metal dichalcogenides has attracted the attention of the researchers worldwide. The unconventional structural transformation of fluorinated WS2 (FWS2 ) into the 1T phase is described. The energy difference between the two phases debugs this transition, as fluorination enhances the stability of 1T FWS2 and makes it energetically favorable at higher F concentration. Investigation of the electronic and optical nature of FWS2 is supplemented by possible band structures and bandgap calculations. Magnetic centers in the 1T phase appear in FWS2 possibly due to the introduction of defect sites. A direct consequence of the phase transition and associated increase in interlayer spacing is a change in friction behavior. Friction force microscopy is used to determine this effect of functionalization accompanied phase transformation 
650 4 |a Journal Article 
650 4 |a 2D magnetism 
650 4 |a DFT calculations 
650 4 |a TMDs 
650 4 |a fluorination 
650 4 |a phase transformation 
700 1 |a Das, Deya  |e verfasserin  |4 aut 
700 1 |a Deng, Liangzi  |e verfasserin  |4 aut 
700 1 |a Sudeep, Parambath M  |e verfasserin  |4 aut 
700 1 |a Colas, Guillaume  |e verfasserin  |4 aut 
700 1 |a de Los Reyes, Carlos A  |e verfasserin  |4 aut 
700 1 |a Yazdi, Sadegh  |e verfasserin  |4 aut 
700 1 |a Chu, Ching Wu  |e verfasserin  |4 aut 
700 1 |a Martí, Angel A  |e verfasserin  |4 aut 
700 1 |a Tiwary, Chandra Sekhar  |e verfasserin  |4 aut 
700 1 |a Filleter, Tobin  |e verfasserin  |4 aut 
700 1 |a Singh, Abhishek K  |e verfasserin  |4 aut 
700 1 |a Ajayan, Pulickel M  |e verfasserin  |4 aut 
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773 1 8 |g volume:30  |g year:2018  |g number:44  |g day:12  |g month:11  |g pages:e1803366 
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