Stability of plasma-enhanced atomic layer deposited barrier films in biological solutions

Type:
Journal
Info:
Engineering Reports. 2020;e12303.
Date:
2020-09-21
DOI:
https://doi.org/10.1002/eng2.12303

Author Information

Name Institution
Ankit Kumar SinghGeorgia Institute of Technology
Katarina AdstedtGeorgia Institute of Technology
Tianxin MiaoGeorgia Institute of Technology
Julie ChampionGeorgia Institute of Technology
Preet M. SinghGeorgia Institute of Technology
Samuel GrahamGeorgia Institute of Technology

Films

Plasma Al2O3

Hardware used: Veeco - Ultratech - Cambridge NanoTech Fiji
TMA, Trimethylaluminum, Trimethylalumane, AlMe3, Al(CH3)3
CAS#: 75-24-1
Where to buy precursor
O2, Oxygen
CAS#: 7782-44-7
Deposition Temperature = 100C

Plasma HfO2

Hardware used: Veeco - Ultratech - Cambridge NanoTech Fiji
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 = 100C

Plasma TiO2

Hardware used: Veeco - Ultratech - Cambridge NanoTech Fiji
TDMATi, tetrakis(dimethylamido)titanium, titanium dimethylamide, (Me2N)4Ti
CAS#: 3275-24-9
Where to buy precursor
O2, Oxygen
CAS#: 7782-44-7
Deposition Temperature = 100C

Plasma ZrO2

Hardware used: Veeco - Ultratech - Cambridge NanoTech Fiji
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 = 100C

Film/Plasma Properties

Characteristic: Thickness
Analysis: Ellipsometry
Diagnostic: J.A. Woollam M-2000

Characteristic: Cytocompatibility
Analysis: MTT Cell Proliferation Test
Diagnostic: Custom

Characteristic: Stability
Analysis: EIS, Electrochemical Impedance Spectroscopy
Diagnostic: Custom

Characteristic: Chemical Composition, Impurities
Analysis: XPS, X-ray Photoelectron Spectroscopy
Diagnostic: Thermo Scientific K-Alpha

Substrates

Si(100)

Notes

1546