Position-dependent tight-binding model for Li impurities in monolayer and bilayer graphene | Matter42 Literature
Paper details
Research paper
Computational DFTTheoretical
Position-dependent tight-binding model for Li impurities in monolayer and bilayer graphene
Hernán Aguirre, Hernán L. Calvo, Eduardo M. Perassi
2026·arXiv:2607.18214
Samples
Each sample groups how it was prepared, characterized, and measured. Click a card to expand.
Monolayer graphene supercell with a single adsorbed Li ion at position-dependent heights and different supercell sizes used for DFT band-structure calculations and TB fitting.
No measurements recorded
Simulated Supercell DftCStudied MaterialLiAdsorbate Species
AB-stacked bilayer graphene supercell with a single intercalated Li ion at position-dependent heights and different supercell sizes used for DFT band-structure calculations and TB fitting.
No measurements recorded
Simulated Supercell DftCStudied MaterialLiAdsorbate Species
Materials
graphene
C
Studied Material
Also known as
monolayer grapheneMLGbilayer grapheneBLG
Variables
stacking
Why these are connected
Related documents with shared materials, methods, properties, or citations.
Position-dependent tight-binding model for Li impurities in monolayer and bilayer graphene
Hernán Aguirre, Hernán L. Calvo, Eduardo M. Perassi
2026·arXiv:2607.18214
Samples
Each sample groups how it was prepared, characterized, and measured. Click a card to expand.
Monolayer graphene supercell with a single adsorbed Li ion at position-dependent heights and different supercell sizes used for DFT band-structure calculations and TB fitting.
No measurements recorded
Simulated Supercell DftCStudied MaterialLiAdsorbate Species
AB-stacked bilayer graphene supercell with a single intercalated Li ion at position-dependent heights and different supercell sizes used for DFT band-structure calculations and TB fitting.
No measurements recorded
Simulated Supercell DftCStudied MaterialLiAdsorbate Species
Materials
graphene
C
Studied Material
Also known as
monolayer grapheneMLGbilayer grapheneBLG
Variables
stacking
Why these are connected
Related documents with shared materials, methods, properties, or citations.
Position-dependent tight-binding model for Li impurities in monolayer and bilayer graphene
Hernán Aguirre, Hernán L. Calvo, Eduardo M. Perassi
2026·arXiv:2607.18214
Samples
Each sample groups how it was prepared, characterized, and measured. Click a card to expand.
Monolayer graphene supercell with a single adsorbed Li ion at position-dependent heights and different supercell sizes used for DFT band-structure calculations and TB fitting.
No measurements recorded
Simulated Supercell DftCStudied MaterialLiAdsorbate Species
AB-stacked bilayer graphene supercell with a single intercalated Li ion at position-dependent heights and different supercell sizes used for DFT band-structure calculations and TB fitting.
No measurements recorded
Simulated Supercell DftCStudied MaterialLiAdsorbate Species
Materials
graphene
C
Studied Material
Also known as
monolayer grapheneMLGbilayer grapheneBLG
Variables
stacking
Why these are connected
Related documents with shared materials, methods, properties, or citations.
Position-dependent tight-binding model for Li impurities in monolayer and bilayer graphene
Hernán Aguirre, Hernán L. Calvo, Eduardo M. Perassi
2026·arXiv:2607.18214
Samples
Each sample groups how it was prepared, characterized, and measured. Click a card to expand.
Monolayer graphene supercell with a single adsorbed Li ion at position-dependent heights and different supercell sizes used for DFT band-structure calculations and TB fitting.
No measurements recorded
Simulated Supercell DftCStudied MaterialLiAdsorbate Species
AB-stacked bilayer graphene supercell with a single intercalated Li ion at position-dependent heights and different supercell sizes used for DFT band-structure calculations and TB fitting.
No measurements recorded
Simulated Supercell DftCStudied MaterialLiAdsorbate Species
Materials
graphene
C
Studied Material
Also known as
monolayer grapheneMLGbilayer grapheneBLG
Variables
stacking
Why these are connected
Related documents with shared materials, methods, properties, or citations.
First-principles electronic-structure calculations using density functional theory with Quantum ESPRESSO (PWSCF), PBE-GGA, PAW pseudopotentials for C and ultrasoft pseudopotential for Li; plane-wave cutoffs 45 Ry (wave functions) and 360 Ry (charge density).Quantum ESPRESSO
Settings
basisplane-wave
k pathM–K–Γ–K′–M
functionalPBE
validationnull
pseudopotentialsPAW for C, ultrasoft for Li
supercell familyKekulé-like sqrt(3)n x sqrt(3)n R30°
vacuum directionA₃ perpendicular to graphene plane
supercell sizes n1, 2, 3
exchange correlationGGA
plane wave cutoff ry45
charge density cutoff ry360
graphene atoms per supercell{"BLG":[12,48,108],"MLG":[6,24,54]}
Position-dependent semi-empirical tight-binding model based on the Slonczewski-Weiss-McClure π-band framework, augmented with a Li pseudoorbital and fitted to DFT bands using a trust-region Levenberg–Marquardt optimization.custom code
Settings
k pathM–K–Γ–K′–M
tb basispz orbitals for C plus one Li pseudoorbital
First-principles electronic-structure calculations using density functional theory with Quantum ESPRESSO (PWSCF), PBE-GGA, PAW pseudopotentials for C and ultrasoft pseudopotential for Li; plane-wave cutoffs 45 Ry (wave functions) and 360 Ry (charge density).Quantum ESPRESSO
Settings
basisplane-wave
k pathM–K–Γ–K′–M
functionalPBE
validationnull
pseudopotentialsPAW for C, ultrasoft for Li
supercell familyKekulé-like sqrt(3)n x sqrt(3)n R30°
vacuum directionA₃ perpendicular to graphene plane
supercell sizes n1, 2, 3
exchange correlationGGA
plane wave cutoff ry45
charge density cutoff ry360
graphene atoms per supercell{"BLG":[12,48,108],"MLG":[6,24,54]}
Position-dependent semi-empirical tight-binding model based on the Slonczewski-Weiss-McClure π-band framework, augmented with a Li pseudoorbital and fitted to DFT bands using a trust-region Levenberg–Marquardt optimization.custom code
Settings
k pathM–K–Γ–K′–M
tb basispz orbitals for C plus one Li pseudoorbital
First-principles electronic-structure calculations using density functional theory with Quantum ESPRESSO (PWSCF), PBE-GGA, PAW pseudopotentials for C and ultrasoft pseudopotential for Li; plane-wave cutoffs 45 Ry (wave functions) and 360 Ry (charge density).Quantum ESPRESSO
Settings
basisplane-wave
k pathM–K–Γ–K′–M
functionalPBE
validationnull
pseudopotentialsPAW for C, ultrasoft for Li
supercell familyKekulé-like sqrt(3)n x sqrt(3)n R30°
vacuum directionA₃ perpendicular to graphene plane
supercell sizes n1, 2, 3
exchange correlationGGA
plane wave cutoff ry45
charge density cutoff ry360
graphene atoms per supercell{"BLG":[12,48,108],"MLG":[6,24,54]}
Position-dependent semi-empirical tight-binding model based on the Slonczewski-Weiss-McClure π-band framework, augmented with a Li pseudoorbital and fitted to DFT bands using a trust-region Levenberg–Marquardt optimization.custom code
Settings
k pathM–K–Γ–K′–M
tb basispz orbitals for C plus one Li pseudoorbital
First-principles electronic-structure calculations using density functional theory with Quantum ESPRESSO (PWSCF), PBE-GGA, PAW pseudopotentials for C and ultrasoft pseudopotential for Li; plane-wave cutoffs 45 Ry (wave functions) and 360 Ry (charge density).Quantum ESPRESSO
Settings
basisplane-wave
k pathM–K–Γ–K′–M
functionalPBE
validationnull
pseudopotentialsPAW for C, ultrasoft for Li
supercell familyKekulé-like sqrt(3)n x sqrt(3)n R30°
vacuum directionA₃ perpendicular to graphene plane
supercell sizes n1, 2, 3
exchange correlationGGA
plane wave cutoff ry45
charge density cutoff ry360
graphene atoms per supercell{"BLG":[12,48,108],"MLG":[6,24,54]}
Position-dependent semi-empirical tight-binding model based on the Slonczewski-Weiss-McClure π-band framework, augmented with a Li pseudoorbital and fitted to DFT bands using a trust-region Levenberg–Marquardt optimization.custom code
Settings
k pathM–K–Γ–K′–M
tb basispz orbitals for C plus one Li pseudoorbital