Atomic Layer Deposition of HfO2 Thin Films on Ultrathin SiO2 Formed by Remote Plasma Oxidation

Type:
Journal
Info:
Journal of the Korean Physical Society, Vol. 52, No. 4, April 2008, pp. 1103-1108
Date:
2007-08-17
DOI:
https://doi.org/10.3938/jkps.52.1103

Author Information

Name Institution
Seokhoon KimHanyang University
Sanghyun WooHanyang University
Hyungchul KimHanyang University
Inhoe KimHanyang University
Keunwoo LeeHanyang University
Wooho JeongHanyang University
Taeyong ParkHanyang University
Hyeongtag JeonHanyang University

Films

Plasma HfO2

Hardware used: Custom
TDEAHf, (Et2N)4Hf, [(C2H5)2N]4Hf, Tetrakis(DiEthylAmido) Hafnium, Hafnium Diethylamide
CAS#: 19824-55-6
Where to buy precursor
O2, Oxygen
CAS#: 7782-44-7
Deposition Temperature = 250C

Film/Plasma Properties

Characteristic: Thickness
Analysis: TEM, Transmission Electron Microscope
Diagnostic: -

Characteristic: Interlayer
Analysis: TEM, Transmission Electron Microscope
Diagnostic: -

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

Characteristic: Crystallinity, Crystal Structure, Grain Size, Atomic Structure
Analysis: TEM, Transmission Electron Microscope
Diagnostic: -

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

Characteristic: Flat Band Voltage
Analysis: C-V, Capacitance-Voltage Measurements
Diagnostic: Keithley 590 CV Analyzer

Characteristic: Effective Oxide Charge, Qeff
Analysis: C-V, Capacitance-Voltage Measurements
Diagnostic: Keithley 590 CV Analyzer

Characteristic: Leakage Current
Analysis: I-V, Current-Voltage Measurements
Diagnostic: HP 4155A Semiconductor Parameter Analyzer

Substrates

Si(100)

Notes

1174