Semiempirical tight-binding band structures of wurtzite semiconductors: AlN, CdS, CdSe, ZnS, and ZnO

1983 ◽  
Vol 28 (2) ◽  
pp. 935-945 ◽  
Author(s):  
Akiko Kobayashi ◽  
Otto F. Sankey ◽  
Stephen M. Volz ◽  
John D. Dow
Keyword(s):  
Tight Binding ◽  
Band Structures ◽  
Wurtzite Semiconductors

Tight binding models accurately predict band structures for copolymer semiconductors

2020 ◽  
Vol 22 (35) ◽  
pp. 19659-19671 ◽  
Author(s):  
Prithvi Tipirneni ◽  
Vishal Jindal ◽  
Michael J. Janik ◽  
Scott T. Milner
Keyword(s):  
Conjugated Polymers ◽  
Organic Photovoltaics ◽  
Tight Binding ◽  
Band Gaps ◽  
Active Materials ◽  
Band Structures ◽  
Wide Range ◽  
Binding Models

Conjugated polymers possess a wide range of desirable properties including accessible band gaps, plasticity, tunability, mechanical flexibility and synthetic versatility, making them attractive as active materials in organic photovoltaics (OPVs).

Band structures of carbon nanotubes: the sp3s* tight-binding model

2001 ◽  
Vol 13 (13) ◽  
pp. L271-L275 ◽  
Author(s):  
J X Cao ◽  
X H Yan ◽  
J W Ding ◽  
D L Wang
Keyword(s):  
Carbon Nanotubes ◽  
Tight Binding ◽  
Tight Binding Model ◽  
Band Structures ◽  
Binding Model

Band Structures of Carbon Nanotubes with Nanoscale Periodic Pores Depending on their Circumferences

2003 ◽  
Vol 02 (01n02) ◽  
pp. 109-116
Author(s):  
Hiroyuki Takeda ◽  
Katsumi Yoshino
Keyword(s):  
Carbon Nanotubes ◽  
Tight Binding ◽  
Band Gaps ◽  
Band Structures ◽  
Electronic Band ◽  
Tight Binding Approximation ◽  
One Dimensional ◽  
Flat Bands ◽  
Porous Graphite ◽  
Electronic Band Structures

We theoretically evaluate the electronic band structures in carbon nanotubes with nanoscale periodic pores with a tight-binding approximation of π electrons, and demonstrate that band gaps of the carbon nanotubes with nanoscale periodic pores differ significantly from those of conventional carbon nanotubes. The band gaps of the carbon nanotubes with nanoscale periodic pores depend strongly on the size of pores and inter-pore distances. In some carbon nanotubes with nanoscale periodic pores, band gaps are constant as a function of their circumferences. In other ones, band gaps have the exact periodicity of three as a function of their circumferences. Those behaviors can be explained by taking properties of nanoscale periodic porous graphite into consideration. In some carbon nanotubes with relatively large nanoscale periodic pores, flat bands appear, which may cause singular properties about magnetism in one-dimensional porous carbon nanotubes.

Electronic Structures for (Si)m (GaP)n Superlattices

1991 ◽  
Vol 220 ◽  
Author(s):  
P. J. Lin-Chung
Keyword(s):  
Band Gap ◽  
Electronic Structures ◽  
Tight Binding ◽  
The Other ◽  
Band Structures ◽  
Other Hand

ABSTRACTThis paper reports on a tight-binding calculation of the band structures of the Si-GaP superlattice (SL) systems with emphasis on the results of the band gap properties. This calculation finds that the SLs grown onto the [110] or [111] oriented substrate do not produce direct gap materials. On the other hand, some of the [001] oriented SLs become direct gap materials when either an interface (IF) state is created at the P and Si IF, or a confined state in the Si occurs with only Ga and Si atoms forming all the IF.

Tight-binding analysis of energy-band structures in quantum wires

1991 ◽  
Vol 43 (6) ◽  
pp. 4732-4738 ◽  
Author(s):  
Y. Arakawa ◽  
T. Yamauchi ◽  
J. N. Schulman
Keyword(s):  
Energy Band ◽  
Quantum Wires ◽  
Tight Binding ◽  
Band Structures ◽  
Binding Analysis
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