def instantiate(filename, device, interface_siox, region_ox, region_si,
contact_ox, contact_si, ox_material, si_material):
ds.create_gmsh_mesh(mesh=device, file=filename)
ds.add_gmsh_region(mesh=device,
gmsh_name="oxide",
region=region_ox,
material=ox_material)
ds.add_gmsh_region(mesh=device,
gmsh_name="silicon",
region=region_si,
material=si_material)
ds.add_gmsh_contact(mesh=device,
gmsh_name="gate",
region=region_ox,
material="metal",
name=contact_ox)
ds.add_gmsh_contact(mesh=device,
gmsh_name="sub",
region=region_si,
material="metal",
name=contact_si)
ds.add_gmsh_interface(mesh=device,
gmsh_name="interface",
region0=region_ox,
region1=region_si,
name=interface_siox)
ds.finalize_mesh(mesh=device)
ds.create_device(mesh=device, device=device)
def CreateNoiseMesh(device, region, material='Si'):
'''
Commonly used for the regressions
device length: 1
spacing: 0.1
contacts: top (x=0), bot (x=1)
'''
devsim.create_1d_mesh (mesh='dog')
devsim.add_1d_mesh_line(mesh='dog', pos=0, ps=5e-7, tag='top')
devsim.add_1d_mesh_line(mesh='dog', pos=1e-5, ps=5e-7, tag='bot')
devsim.add_1d_contact (mesh='dog', name='top', tag='top', material='metal')
devsim.add_1d_contact (mesh='dog', name='bot', tag='bot', material='metal')
devsim.add_1d_region (mesh='dog', material=material, region=region, tag1='top', tag2='bot')
devsim.finalize_mesh (mesh='dog')
devsim.create_device (mesh='dog', device=device)
def createMesh(device, region):
devsim.create_2d_mesh(mesh="dog")
devsim.add_2d_mesh_line(mesh="dog", dir="x", pos=0, ps=1e-6)
devsim.add_2d_mesh_line(mesh="dog", dir="x", pos=0.5e-5, ps=1e-8)
devsim.add_2d_mesh_line(mesh="dog", dir="x", pos=1e-5, ps=1e-6)
devsim.add_2d_mesh_line(mesh="dog", dir="y", pos=0, ps=1e-6)
devsim.add_2d_mesh_line(mesh="dog", dir="y", pos=1e-5, ps=1e-6)
devsim.add_2d_mesh_line(mesh="dog", dir="x", pos=-1e-8, ps=1e-8)
devsim.add_2d_mesh_line(mesh="dog", dir="x", pos=1.001e-5, ps=1e-8)
devsim.add_2d_region(mesh="dog", material="Si", region=region)
devsim.add_2d_region(mesh="dog",
material="Si",
region="air1",
xl=-1e-8,
xh=0)
devsim.add_2d_region(mesh="dog",
material="Si",
region="air2",
xl=1.0e-5,
xh=1.001e-5)
devsim.add_2d_contact(mesh="dog",
name="top",
region=region,
yl=0.8e-5,
yh=1e-5,
xl=0,
xh=0,
bloat=1e-10,
material="metal")
devsim.add_2d_contact(mesh="dog",
name="bot",
region=region,
xl=1e-5,
xh=1e-5,
bloat=1e-10,
material="metal")
devsim.finalize_mesh(mesh="dog")
devsim.create_device(mesh="dog", device=device)