###############################################################
# Initial State
###############################################################
device_configuration = nlread('CGsupergap05.nc', object_id="gID000")[0]
###############################################################
# Calculator
###############################################################
#----------------------------------------
# Basis Set
#----------------------------------------
basis_set = GGABasis.DoubleZetaPolarized
#----------------------------------------
# Exchange-Correlation
#----------------------------------------
exchange_correlation = GGA.PBE
#----------------------------------------
# Numerical Accuracy Settings
#----------------------------------------
left_electrode_numerical_accuracy_parameters = NumericalAccuracyParameters(
grid_mesh_cutoff=80.0*Rydberg,
k_point_sampling=(1, 1, 100),
)
right_electrode_numerical_accuracy_parameters = NumericalAccuracyParameters(
grid_mesh_cutoff=80.0*Rydberg,
k_point_sampling=(1, 1, 100),
)
device_numerical_accuracy_parameters = NumericalAccuracyParameters(
grid_mesh_cutoff=80.0*Rydberg,
)
#----------------------------------------
# Iteration Control Settings
#----------------------------------------
left_electrode_iteration_control_parameters = IterationControlParameters(
tolerance=1e-05,
)
right_electrode_iteration_control_parameters = IterationControlParameters(
tolerance=1e-05,
)
device_iteration_control_parameters = IterationControlParameters(
tolerance=1e-05,
)
#----------------------------------------
# Electrode Calculators
#----------------------------------------
left_electrode_calculator = LCAOCalculator(
basis_set=basis_set,
exchange_correlation=exchange_correlation,
numerical_accuracy_parameters=left_electrode_numerical_accuracy_parameters,
iteration_control_parameters=left_electrode_iteration_control_parameters,
)
right_electrode_calculator = LCAOCalculator(
basis_set=basis_set,
exchange_correlation=exchange_correlation,
numerical_accuracy_parameters=right_electrode_numerical_accuracy_parameters,
iteration_control_parameters=right_electrode_iteration_control_parameters,
)
#----------------------------------------
# Device Calculator
#----------------------------------------
calculator = DeviceLCAOCalculator(
basis_set=basis_set,
exchange_correlation=exchange_correlation,
numerical_accuracy_parameters=device_numerical_accuracy_parameters,
iteration_control_parameters=device_iteration_control_parameters,
electrode_calculators=
[left_electrode_calculator, right_electrode_calculator],
electrode_voltages=( 0.5*Volt, 0.0*Volt)
)
device_configuration = OptimizeGeometry(
device_configuration,
maximum_forces=0.05*eV/Ang,
constraints=[0,1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,178,179,180,181,185,186,187,188,194,195,204,205,206,207,211,212,213,214,215,216,218,219,222,223,224,225,230,231,232,233,234,235,238,239,241,242,243,244,246,247,249,250,253,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283,284,285,286,287,288,289,290,291,292,293,294,295,296,297,298,299,300,301,302,303,304,305,306,307,308,309,310,311,312,313,314,315,316,317,318,319,320,321,322,323,324,325,326,327,328,329,330,331,332,333,334,335,336,337,338,339,340,341,342,343,344,345,346,347,348,349,350,351,352,353,354,355,356,357,358,359,360,361,362,363,364,365,366,367,368,369,370,371,372,373,374,375,376,377,378,379,380,381,382,383,384,385,386,387,388,389,390,391,392,393,394,395,396,397,398,399,400,401,402,403,404],
trajectory_filename='CG_05traject.nc',
)
nlsave('CGsupergap05relax.nc', device_configuration)
device_configuration.setCalculator(calculator,
initial_state=device_configuration,
)
nlprint(device_configuration)
device_configuration.update()
nlsave('CGsupergap05relax.nc', device_configuration)
nlprint(device_configuration)