Sub-0.5 nm Equivalent Oxide Thickness Scaling for Si-Doped Zr1-xHfxO2 Thin Film without Using Noble Metal Electrode

Type:
Journal
Info:
ACS Appl. Mater. Interfaces, 2015, 7 (28), pp 15587-15592
Date:
2015-06-30
DOI:
http://dx.doi.org/10.1021/acsami.5b04303

Author Information

Name Institution
Ji-Hoon AhnKorean Basic Science Institute
Se-Hun KwonPusan National University

Films

Thermal HfZrO2

Hardware used: Unknown
TEMAZr, (EtMeN)4Zr, [(C2H5)(CH3)N]4Zr, Tetrakis(EthylMethylAmido) Zirconium, Zirconium Ethylmethylamide
CAS#: 175923-04-3
Where to buy precursor
TEMAHf, tetrakis(ethylmethylamido) Hafnium, hafnium ethylmethylamide, (EtMeN)4Hf
CAS#: 352535-01-4
Where to buy precursor
O3, Ozone
CAS#: 10028-15-6
Deposition Temperature = 280C

Thermal HfZrSiO

Hardware used: Unknown
TEMAZr, (EtMeN)4Zr, [(C2H5)(CH3)N]4Zr, Tetrakis(EthylMethylAmido) Zirconium, Zirconium Ethylmethylamide
CAS#: 175923-04-3
Where to buy precursor
TEMAHf, tetrakis(ethylmethylamido) Hafnium, hafnium ethylmethylamide, (EtMeN)4Hf
CAS#: 352535-01-4
Where to buy precursor
Tris(EthylMethylAmido)Silane, 3EMAS
CAS#: 0-0-0
O3, Ozone
CAS#: 10028-15-6
Deposition Temperature = 280C

Plasma TiN

Hardware used: Unknown
TDMATi, tetrakis(dimethylamido)titanium, titanium dimethylamide, (Me2N)4Ti
CAS#: 3275-24-9
Where to buy precursor
N2, Nitrogen
CAS#: 7727-37-9
Deposition Temperature = 270C

Film/Plasma Properties

Characteristic: Crystallinity, Crystal Structure, Grain Size, Atomic Structure
Analysis: XRD, X-Ray Diffraction
Diagnostic: Philips X-pert APD

Characteristic: Chemical Composition, Impurities
Analysis: XPS, X-ray Photoelectron Spectroscopy
Diagnostic: PHI-Quantum 2000

Characteristic: Dielectric Constant, Permittivity
Analysis: C-V, Capacitance-Voltage Measurements
Diagnostic: Keithley 590 CV Analyzer

Characteristic: EOT, Equivalent Oxide Thickness
Analysis: C-V, Capacitance-Voltage Measurements
Diagnostic: Keithley 590 CV Analyzer

Characteristic: Leakage Current
Analysis: I-V, Current-Voltage Measurements
Diagnostic: Keithley 590 CV Analyzer

Substrates

TiN

Notes

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