Block copolymer epitaxy
β Scribed by Prof. Masahito Sano
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 233 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0935-9648
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A sample (0.104 g) of the binary alloy ΒͺKGe 4 ΒΊ, prepared by hightemperature reactions of pure elements (Aldrich) within sealed Nb tubing, was dissolved in neat en (5 mL), forming a dark green solution. A separate solution of [18]crown-6 (0.048 g, 0.182 mmol) in neat toluene (4 mL ) was slowly added
The standard parameters controlling AB diblock copolymer phase behavior are xN and f A , where x is an A-B segment interaction parameter, N is the overall degree of polymerization, and f A is the volume fraction of the A block. Recently, it has been recognized that the ratio of the A and B statistic