Ultra low density of interfacial traps with mixed thermal and plasma enhanced ALD of high-k gate dielectrics

Type:
Journal
Info:
RSC Adv., 2016, 6, 16301-16307
Date:
2016-01-20
DOI:
http://dx.doi.org/10.1039/C5RA26860E

Author Information

Name Institution
Kaveh AhadiUniversity of Alberta
Kenneth C. CadienUniversity of Alberta

Films

Plasma HfO2

Hardware used: Kurt J Lesker ALD-150L
TDMAHf, tetrakis(dimethylamido)hafnium, hafnium dimethylamide, (Me2N)4Hf, also CAS# 19782-68-4
CAS#: 19962-11-9
Where to buy precursor
O2, Oxygen
CAS#: 7782-44-7
Deposition Temperature Range N/A

Thermal HfO2

Hardware used: Kurt J Lesker ALD-150L
TDMAHf, tetrakis(dimethylamido)hafnium, hafnium dimethylamide, (Me2N)4Hf, also CAS# 19782-68-4
CAS#: 19962-11-9
Where to buy precursor
H2O, Water
CAS#: 7732-18-5
Where to buy precursor
Deposition Temperature Range N/A

Plasma ZrO2

Hardware used: Kurt J Lesker ALD-150L
TDMAZr, (Me2N)4Zr, [(CH3)2N]4Zr, Tetrakis(DiMethylAmido) Zirconium, Zirconium Dimethylamide
CAS#: 19756-04-8
Where to buy precursor
O2, Oxygen
CAS#: 7782-44-7
Deposition Temperature Range N/A

Thermal ZrO2

Hardware used: Kurt J Lesker ALD-150L
TDMAZr, (Me2N)4Zr, [(CH3)2N]4Zr, Tetrakis(DiMethylAmido) Zirconium, Zirconium Dimethylamide
CAS#: 19756-04-8
Where to buy precursor
H2O, Water
CAS#: 7732-18-5
Where to buy precursor
Deposition Temperature Range N/A

Film/Plasma Properties

Characteristic: Thickness
Analysis: Ellipsometry
Diagnostic: -

Characteristic: Capacitance
Analysis: C-V, Capacitance-Voltage Measurements
Diagnostic: -

Characteristic: Interface Trap Density
Analysis: C-V, Capacitance-Voltage Measurements
Diagnostic: -

Characteristic: Leakage Current
Analysis: I-V, Current-Voltage Measurements
Diagnostic: -

Substrates

Notes

799