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Journal:   JOURNAL OF RESEARCH ON MANY BODY SYSTEMS   WINTER 2019 , Volume 8 , Number 19 ; Page(s) 49 To 59.
 
Paper: 

Effect Of Adsorption H-Bn Nano Layer On The Electronic And Structural Properties Of Ws2 Monolayer By Using First-Principles Study

 
 
Author(s):  Taghizadeh Seyed Fardin*, Ghasemi Majd Zahra, Amiri Peiman, Vaseghi Behrouz
 
* Department of Physics, College of Sciences, Yasouj University, Yasouj 75914-353, Iran
 
Abstract: 
The adsorption of h-BN monolayer on WS2 nano sheet was studied in the framework of density functional theory using Quantum ESPRESSO package. First-principle calculations with different exchange-correlation functionals including LDA, GGA, semi-empirical and ab-initio van der Waals in the forms of DFT-D2, vdW-DF2B86R and vdW-DF2 have been performed to evaluate the performance of different functionals in describing bonding mechanism, adsorption energy and interlayer distance of WS2 monolayer on h-BN layer. In order to include the van der Waals (vdW) interactions in our calculations, we used the DFT-D2 and vdW methods and found the vdW-DF2B86R seems to be the most qualified approach. Both vdW and semi-empirical methods predict a physical adsorption with no net charge transfer between the WS2 layer and the corresponding substrates. In addition, we investigated the electronic and structural properties and density of states of WS2 and h-BN heterolayers by vdW-DF2B86R functional. Based on our calculations, WS2/h-BN heterostructure show a direct band gap at the K-point, which has been experimentally observed.
 
Keyword(s): Adsorption,Boron nitride,Electronic structure,First-principle calculations,Tungsten disulfide,van der Waals interaction
 
 
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APA: Copy

TAGHIZADEH, S., & ghasemi majd, z., & AMIRI, P., & VASEGHI, B. (2019). Effect of adsorption h-BN nano layer on the electronic and structural properties of WS2 monolayer by using first-principles study. JOURNAL OF RESEARCH ON MANY BODY SYSTEMS, 8(19 ), 49-59. https://www.sid.ir/en/journal/ViewPaper.aspx?id=661333



Vancouver: Copy

TAGHIZADEH SEYED FARDIN, ghasemi majd zahra, AMIRI PEIMAN, VASEGHI BEHROUZ. Effect of adsorption h-BN nano layer on the electronic and structural properties of WS2 monolayer by using first-principles study. JOURNAL OF RESEARCH ON MANY BODY SYSTEMS. 2019 [cited 2022May21];8(19 ):49-59. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=661333



IEEE: Copy

TAGHIZADEH, S., ghasemi majd, z., AMIRI, P., VASEGHI, B., 2019. Effect of adsorption h-BN nano layer on the electronic and structural properties of WS2 monolayer by using first-principles study. JOURNAL OF RESEARCH ON MANY BODY SYSTEMS, [online] 8(19 ), pp.49-59. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=661333.



 
 
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