ITO (80nm) orNi (5nm)/Au(10nm)
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ITO (80nm) orNi(5nm)/Au(10nm) Mg-doped p-type GaN (2um) Nucleation GaN (30nm) Thick p-GaN SPS: Si-doped n + In 0.23 Ga 0.77 N -GaN (5/5 Å) deposited on n+-InGaN–GaN SPS structures carrier concentration: 1*10 19 cm 3 from Hall measurement
description
ITO (80nm) orNi (5nm)/Au(10nm). SPS: Si-doped n + In 0.23 Ga 0.77 N - GaN (5/5 Å ). Mg-doped p-type GaN (2um). Nucleation GaN (30nm). Thick p- GaN. deposited on n+- InGaN–GaN SPS structures. carrier concentration: 1*10 19 cm 3 from Hall measurement. - PowerPoint PPT Presentation
Transcript of ITO (80nm) orNi (5nm)/Au(10nm)
ITO (80nm) orNi(5nm)/Au(10nm)
Mg-doped p-type GaN (2um)
Nucleation GaN (30nm)
Thick p-GaN
SPS: Si-doped n+ In0.23Ga0.77N -GaN (5/5 Å)
deposited on n+-InGaN–GaN SPS structures
carrier concentration: 1*10 19 cm3 from Hall measurement
Ψm
ΨB
X
Ec
Ev
Efm
SemiconductorMetal
Ef
X
Ec
Ev
Semiconductor
Ψm
Efm Ef
Metal
ΨB
ΨB=Ψm-X > 0 ΨB=Ψm-X ≤ 0
Schottky contact Ohmic contact
Results And Discussion