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Devices specification Daniel Mejia, Nemo5 Team. NanowireStandard NanowireStandard / Nanowire with an optional gate Chanel length.

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Presentation on theme: "Devices specification Daniel Mejia, Nemo5 Team. NanowireStandard NanowireStandard / Nanowire with an optional gate Chanel length."— Presentation transcript:

1 Devices specification Daniel Mejia, Nemo5 Team

2 NanowireStandard NanowireStandard / Nanowire with an optional gate Chanel length

3 NanowireStandard options [1] optiondefaultdescription material_nameMaterial type cross_section(1,1)Cross section dimensions (nm) channel_lengthChannel length (device units) drain_lengthdisabledDrain length (device units) drain_contacts1Number of drain contacts drain_floating_contacts0Number of drain contacts not connected drain_dimension2# Unit cells required for each contact source_lengthdisabledSource length (Device units) source_contacts1Number of source contacts source_floating_contacts0Number of source contacts not connected source_dimension2# Unit cells required for each contact length_unitsnmDevice Units (nm,um,A,ucell)

4 NanowireStandard options [2] optiondefaultdescription drain_namedrainDrain Domain Name source_namesourceSource Domain Name drain_prefix_contactDrain contact prefix source_prefix_contactSource contact prefix source_floating_prefix_modeSource contact prefix drain_floating_prefix_modeDrain contact prefix smart_device_generatortruecreates only entities defined in the input deck passivation_enabledtrueEnable passivation for domains channel:properties(s)Define a customized material for channel. source:properties(s)Define a customized material for source. drain:properties(s)Define a customized material for drain. oxide:properties(s)Define a customized material for gate.

5 NanowireStandard options [3] crystal_direction1(1,0,0)Crystal direction axis crystal_direction2(0,1,0)Crystal direction axis crystal_direction3(0,0,1)Crystal direction axis space_orientation_dir1(1,0,0)Spatial orientation axis space_orientation_dir2(0,1,0)Spatial orientation axis lattice_constant0.54 / DBLattice constant initial_position(0,0,0)Starting point initial_unitcell(0,0,0)Shift unit cells fem_refinement_steps0Number of refinements in fem_domains A problem is know when crystal directions are not completely orthogonal, TODO.

6 NanowireStandard Components Access Domainkeyword ChannelDevice:Domain:channel source_contactDevice:Domain:source_contact source[_source]*_contactDevice:Domain:source[_source]*_contact drain_contactDevice:Domain:drain_contact drain[_drain]*_contactDevice:Domain:drain[_drain]*_contact Regionkeyword name_regionDevice:Region:name_region ActiveRegionkeyword channelDevice:ActiveRegion:channel leadsDevice:ActiveRegion:leads

7 Example device_wire_meta5.in

8 NanowireStandard_em View NanowireStandard_em / customized wire for effective mass calculations smart_device_generator = false enable_passivation = false Keyword oxide is replaced by gate Keyword channel is replaced by device Chanel length

9 NanowireStandard_tb View NanowireStandard_tb / customized wire for tight binding calculations smart_device_generator = false enable_passivation = true Keyword oxide is replaced by gate Keyword channel is replaced by device Chanel length

10 UTBStandard UTBStandard / UTBwith an optional gate It is under testing/development Chanel length

11 UTBStandard options [1] optiondefaultdescription material_nameMaterial type confinement_length0Cross section dimensions (nm) channel_lengthChannel length (device units) drain_lengthdisabledDrain length (device units) drain_contacts0Number of drain contacts drain_floating_contacts0Number of drain contacts not connected drain_dimension1# Unit cells required for each contact source_lengthdisabledSource length (Device units) source_contacts0Number of source contacts source_floating_contacts0Number of source contacts not connected source_dimension1# Unit cells required for each contact length_unitsnmDevice Units (nm,um,A,ucell)

12 UTBStandard options [2] optiondefaultdescription drain_namedrainDrain Domain Name source_namesourceSource Domain Name drain_prefix_contactDrain contact prefix source_prefix_contactSource contact prefix source_floating_prefix_modeSource contact prefix drain_floating_prefix_modeDrain contact prefix smart_device_generatortruecreates only entities defined in the input deck passivation_enabledtrueEnable passivation for domains channel:properties(s)Define a customized material for channel. source:properties(s)Define a customized material for source. drain:properties(s)Define a customized material for drain. oxide:properties(s)Define a customized material for gate.

13 UTBStandard options [3] crystal_direction1(1,0,0)Crystal direction axis crystal_direction2(0,1,0)Crystal direction axis crystal_direction3(0,0,1)Crystal direction axis space_orientation_dir1(1,0,0)Spatial orientation axis space_orientation_dir2(0,1,0)Spatial orientation axis lattice_constant0.54 / DBLattice constant initial_position(0,0,0)Starting point initial_unitcell(0,0,0)Shift unit cells fem_refinement_steps0Number of refinements in fem_domains

14 UTBStandard Components Access Domainkeyword ChannelDevice:Domain:channel source_contactDevice:Domain:source_contact source[_source]*_contactDevice:Domain:source[_source]*_contact drain_contactDevice:Domain:drain_contact drain[_drain]*_contactDevice:Domain:drain[_drain]*_contact Regionkeyword name_regionDevice:Region:name_region ActiveRegionkeyword channelDevice:ActiveRegion:channel leadsDevice:ActiveRegion:leads

15 Example device_utb_meta5.in


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