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JoVE Journal

Chemistry

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Applying Dynamic Strain on Thin Oxide Films Immobilized on a Pseudoelastic Nickel-Titanium Alloy

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09:35 min

July 28th, 2020

July 28th, 2020

4,878 Views

0:04

Introduction

0:46

Nickel-Titanium (NiTi) Substrate Polishing

1:51

Titanium Dioxide (TiO2) Film Preparation

2:41

Conducting Electrochemical Measurements Under Strain

5:42

Cracked Film Characterization

6:25

Surface Characterization

6:59

Results: Representative Characterization of the Effects of Dynamic Strain on Thin Oxide Films

9:01

Conclusion

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The ability to apply viable external forces to materials allow us to alter their surface properties at will, as well as find optimal catalytic activities and demonstrate new properties. This technique allows us to apply strains and study their eff

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Dynamic, tensile strain is applied on TiO2 thin films to study the effects of strain on electrocatalysis, specifically proton reduction and water oxidation. TiO2 films are prepared by thermal treatment of the pseudo-elastic NiTi alloy (Nitinol).

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