lattice vacancy
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The Influence of Lattice Vacancy on Electrical and Optical Properties of Mg2Si

2017 ◽  
Vol 727 ◽  
pp. 581-587
Author(s):  
Qian Chen ◽  
Kan Chen ◽  
Qing Chen ◽  
Qing Quan Xiao ◽  
Quan Xie
Keyword(s):  
Optical Properties ◽  
Band Gap ◽  
Theoretical Study ◽  
High Energy ◽  
Magnesium Silicide ◽  
Structural And Optical Properties ◽  
Electrical And Optical Properties ◽  
Direct Band ◽  
Lattice Vacancy ◽  
Indirect Band Gap

A detailed theoretical study on the influence of lattice vacancy on structural and optical properties of the magnesium silicide Mg2Si has been performed based on the first-principles pseudopotential method. The results show that Mg2Si has changed from indirect band gap semiconductor to direct band gap semiconductor because of Mg vacancy. Compared with the dielectric function, absorption coefficient, refractive index, reflectivity and photon conductivity of Mg2Si, those peaks of Mg15Si8 appear from 0 to 1.8 eV. And the loss function’s biggest peak of Mg15Si8 moves to the direction of high energy.

Impact of Stone-Wales and lattice vacancy defects on the electro-thermal transport of the free standing structure of metallic ZGNR

2014 ◽  
Vol 13 (4) ◽  
pp. 862-871 ◽  
Author(s):  
Dipankar Saha ◽  
Amretashis Sengupta ◽  
Sitangshu Bhattacharya ◽  
Santanu Mahapatra
Keyword(s):  
Thermal Transport ◽  
Free Standing ◽  
Vacancy Defects ◽  
Standing Structure ◽  
Lattice Vacancy

Effect of lattice vacancy on conductance of carbon nanotubes

2000 ◽  
Vol 284-288 ◽  
pp. 1746-1747 ◽  
Author(s):  
Masatsura Igami ◽  
Takeshi Nakanishi ◽  
Tsuneya Ando
Keyword(s):  
Carbon Nanotubes ◽  
Lattice Vacancy

Numerical Study of Transport in Carbon Nanotubes with Lattice Vacancy

1999 ◽  
Vol 68 (10) ◽  
pp. 3146-3149 ◽  
Author(s):  
Masatsura Igami ◽  
Takeshi Nakanishi ◽  
Tsuneya Ando
Keyword(s):  
Carbon Nanotubes ◽  
Numerical Study ◽  
Lattice Vacancy
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